{"id":15258,"date":"2025-07-24T10:44:50","date_gmt":"2025-07-24T15:44:50","guid":{"rendered":"https:\/\/blog.misumiusa.com\/?page_id=15258"},"modified":"2025-07-24T10:53:16","modified_gmt":"2025-07-24T15:53:16","slug":"inches-to-millimeters-conversion-calculator","status":"publish","type":"page","link":"https:\/\/us.misumi-ec.com\/blog\/inches-to-millimeters-conversion-calculator\/","title":{"rendered":"Inches to Millimeters Conversion Calculator and Conversion Table"},"content":{"rendered":"\n<p>We&#8217;re all taught inches in school in the US &#8211; sometimes the metric system, but generally not how to convert them.  That, or we&#8217;ve forgotten how.  With the coversion millimeters to inches and vice versa being integral in manufacturing, industrial equipment manufacturing, and many other facets of daily life, we&#8217;ve created a resource for this.  To give a very quick reference, <strong>1 inch = 25.4 milimeters<\/strong>, and <strong>1 milimeter &#8211; 0.03937 inches<\/strong>.<\/p>\n\n\n\n<h2>inches to Millimeters Calculator<\/h2>\n\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Inches to Millimeters Calculator<\/title>\n    <style>\n        .calculator-container {\n            max-width: 400px;\n            margin: 0 auto;\n            padding: 20px;\n            background: #f8f9fa;\n            border-radius: 12px;\n            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n        }\n        \n        .calculator-title {\n            text-align: center;\n            color: #2c3e50;\n            margin-bottom: 25px;\n            font-size: 24px;\n            font-weight: 600;\n        }\n        \n        .input-group {\n            margin-bottom: 20px;\n        }\n        \n        .input-label {\n            display: block;\n            margin-bottom: 8px;\n            color: #34495e;\n            font-weight: 500;\n            font-size: 14px;\n        }\n        \n        .input-field {\n            width: 100%;\n            padding: 12px 16px;\n            border: 2px solid #e1e8ed;\n            border-radius: 8px;\n            font-size: 16px;\n            transition: border-color 0.3s ease;\n            box-sizing: border-box;\n        }\n        \n        .input-field:focus {\n            outline: none;\n            border-color: #3498db;\n        }\n        \n        .result-display {\n            background: white;\n            padding: 16px;\n            border-radius: 8px;\n            border: 2px solid #e8f4fd;\n            text-align: center;\n            margin-top: 20px;\n        }\n        \n        .result-text {\n            font-size: 18px;\n            color: #2c3e50;\n            margin: 0;\n        }\n        \n        .result-value {\n            font-size: 24px;\n            font-weight: bold;\n            color: #3498db;\n            margin: 8px 0 0 0;\n        }\n        \n        .conversion-info {\n            text-align: center;\n            color: #7f8c8d;\n            font-size: 12px;\n            margin-top: 15px;\n            font-style: italic;\n        }\n        \n        .clear-btn {\n            background: #e74c3c;\n            color: white;\n            border: none;\n            padding: 10px 20px;\n            border-radius: 6px;\n            font-size: 14px;\n            cursor: pointer;\n            margin-top: 15px;\n            transition: background-color 0.3s ease;\n        }\n        \n        .clear-btn:hover {\n            background: #c0392b;\n        }\n    <\/style>\n\n\n    <div class=\"calculator-container\">\n        <h1 class=\"calculator-title\">Inches to Millimeters<\/h1>\n        \n        <div class=\"input-group\">\n            <label for=\"inchesInput\" class=\"input-label\">Enter inches:<\/label>\n            <input type=\"number\" id=\"inchesInput\" class=\"input-field\" placeholder=\"Enter value in inches\" step=\"any\" min=\"0\">\n        <\/div>\n        \n        <div class=\"result-display\">\n            <p class=\"result-text\">Result:<\/p>\n            <p class=\"result-value\" id=\"resultValue\">0 mm<\/p>\n        <\/div>\n        \n        <button class=\"clear-btn\" onclick=\"clearCalculator()\">Clear<\/button>\n        \n\n    <\/div>\n\n    <script>\n        \/\/ Self-contained calculator functionality\n        (function() {\n            const inchesInput = document.getElementById('inchesInput');\n            const resultValue = document.getElementById('resultValue');\n            \n            function convertToMillimeters(inches) {\n                return inches * 25.4;\n            }\n            \n            function updateResult() {\n                const inches = parseFloat(inchesInput.value);\n                \n                if (isNaN(inches) || inches < 0) {\n                    resultValue.textContent = '0 mm';\n                    return;\n                }\n                \n                const millimeters = convertToMillimeters(inches);\n                \n                \/\/ Format the result to avoid excessive decimal places\n                let formattedResult;\n                if (millimeters % 1 === 0) {\n                    formattedResult = millimeters.toString();\n                } else if (millimeters < 1) {\n                    formattedResult = millimeters.toFixed(4);\n                } else {\n                    formattedResult = millimeters.toFixed(2);\n                }\n                \n                resultValue.textContent = `${formattedResult} mm`;\n            }\n            \n            \/\/ Real-time conversion as user types\n            inchesInput.addEventListener('input', updateResult);\n            inchesInput.addEventListener('keyup', updateResult);\n            \n            \/\/ Global clear function for the button\n            window.clearCalculator = function() {\n                inchesInput.value = '';\n                resultValue.textContent = '0 mm';\n                inchesInput.focus();\n            };\n            \n            \/\/ Focus on input when page loads\n            inchesInput.focus();\n        })();\n    <\/script>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2>Millmeters to Inches Calculator<\/h2>\n\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Millimeters to Inches Calculator<\/title>\n    <style>\n        .mm-calculator-container {\n            max-width: 400px;\n            margin: 0 auto;\n            padding: 20px;\n            background: #f8f9fa;\n            border-radius: 12px;\n            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n        }\n        \n        .mm-calculator-title {\n            text-align: center;\n            color: #2c3e50;\n            margin-bottom: 25px;\n            font-size: 24px;\n            font-weight: 600;\n        }\n        \n        .mm-input-group {\n            margin-bottom: 20px;\n        }\n        \n        .mm-input-label {\n            display: block;\n            margin-bottom: 8px;\n            color: #34495e;\n            font-weight: 500;\n            font-size: 14px;\n        }\n        \n        .mm-input-field {\n            width: 100%;\n            padding: 12px 16px;\n            border: 2px solid #e1e8ed;\n            border-radius: 8px;\n            font-size: 16px;\n            transition: border-color 0.3s ease;\n            box-sizing: border-box;\n        }\n        \n        .mm-input-field:focus {\n            outline: none;\n            border-color: #3498db;\n        }\n        \n        .mm-result-display {\n            background: white;\n            padding: 16px;\n            border-radius: 8px;\n            border: 2px solid #e8f4fd;\n            text-align: center;\n            margin-top: 20px;\n        }\n        \n        .mm-result-text {\n            font-size: 18px;\n            color: #2c3e50;\n            margin: 0;\n        }\n        \n        .mm-result-value {\n            font-size: 24px;\n            font-weight: bold;\n            color: #3498db;\n            margin: 8px 0 0 0;\n        }\n        \n        .mm-clear-btn {\n            background: #e74c3c;\n            color: white;\n            border: none;\n            padding: 10px 20px;\n            border-radius: 6px;\n            font-size: 14px;\n            cursor: pointer;\n            margin-top: 15px;\n            transition: background-color 0.3s ease;\n        }\n        \n        .mm-clear-btn:hover {\n            background: #c0392b;\n        }\n    <\/style>\n\n\n    <div class=\"mm-calculator-container\">\n        <h1 class=\"mm-calculator-title\">Millimeters to Inches<\/h1>\n        \n        <div class=\"mm-input-group\">\n            <label for=\"mmInput\" class=\"mm-input-label\">Enter millimeters:<\/label>\n            <input type=\"number\" id=\"mmInput\" class=\"mm-input-field\" placeholder=\"Enter value in millimeters\" step=\"any\" min=\"0\">\n        <\/div>\n        \n        <div class=\"mm-result-display\">\n            <p class=\"mm-result-text\">Result:<\/p>\n            <p class=\"mm-result-value\" id=\"mmResultValue\">0 inches<\/p>\n        <\/div>\n        \n        <button class=\"mm-clear-btn\" onclick=\"clearMmCalculator()\">Clear<\/button>\n    <\/div>\n\n    <script>\n        \/\/ Self-contained calculator functionality with unique namespace\n        (function() {\n            const mmInput = document.getElementById('mmInput');\n            const mmResultValue = document.getElementById('mmResultValue');\n            \n            function convertToInches(millimeters) {\n                return millimeters \/ 25.4;\n            }\n            \n            function updateMmResult() {\n                const millimeters = parseFloat(mmInput.value);\n                \n                if (isNaN(millimeters) || millimeters < 0) {\n                    mmResultValue.textContent = '0 inches';\n                    return;\n                }\n                \n                const inches = convertToInches(millimeters);\n                \n                \/\/ Format the result to avoid excessive decimal places\n                let formattedResult;\n                if (inches % 1 === 0) {\n                    formattedResult = inches.toString();\n                } else if (inches < 1) {\n                    formattedResult = inches.toFixed(4);\n                } else {\n                    formattedResult = inches.toFixed(2);\n                }\n                \n                mmResultValue.textContent = `${formattedResult} inches`;\n            }\n            \n            \/\/ Real-time conversion as user types\n            mmInput.addEventListener('input', updateMmResult);\n            mmInput.addEventListener('keyup', updateMmResult);\n            \n            \/\/ Global clear function for the button with unique name\n            window.clearMmCalculator = function() {\n                mmInput.value = '';\n                mmResultValue.textContent = '0 inches';\n                mmInput.focus();\n            };\n        })();\n    <\/script>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2>Conversion Table: Fractional Inches to Decimal Inches to Millimeters<\/h2>\n\n\n\n<p>This handy conversion table makes it easy to convert fractional inches to decimal inches and then to millimeters\u2014all in one place. It\u2019s a quick reference tool for engineers and machinists working across both imperial and metric systems.<\/p>\n\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>Conversion Comparison Table<\/title>\n    <style>\n        .conversion-table-container {\n            max-width: 800px;\n            margin: 0 auto;\n            padding: 20px;\n            background: #f8f9fa;\n            border-radius: 12px;\n            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);\n            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n            overflow-x: auto;\n        }\n        \n        .conversion-table-title {\n            text-align: center;\n            color: #2c3e50;\n            margin-bottom: 25px;\n            font-size: 24px;\n            font-weight: 600;\n        }\n        \n        .conversion-table {\n            width: 100%;\n            border-collapse: collapse;\n            background: white;\n            border-radius: 8px;\n            overflow: hidden;\n            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n        }\n        \n        .conversion-table th {\n            background: #3498db;\n            color: white;\n            padding: 16px 12px;\n            text-align: center;\n            font-weight: 600;\n            font-size: 16px;\n            border-bottom: 2px solid #2980b9;\n        }\n        \n        .conversion-table td {\n            padding: 14px 12px;\n            text-align: center;\n            border-bottom: 1px solid #ecf0f1;\n            font-size: 15px;\n            color: #2c3e50;\n            transition: all 0.3s ease;\n        }\n        \n        .conversion-table tbody tr {\n            transition: all 0.3s ease;\n        }\n        \n        .conversion-table tbody tr:hover {\n            background-color: #e8f4fd;\n            transform: translateY(-1px);\n            box-shadow: 0 4px 8px rgba(52, 152, 219, 0.15);\n        }\n        \n        .conversion-table tbody tr:hover td {\n            color: #1a5490;\n            font-weight: 500;\n        }\n        \n        .conversion-table tbody tr:nth-child(even) {\n            background-color: #f8f9fa;\n        }\n        \n        .conversion-table tbody tr:nth-child(even):hover {\n            background-color: #e8f4fd;\n        }\n        \n        .fraction-col {\n            font-weight: 600;\n            color: #e74c3c;\n        }\n        \n        .decimal-col {\n            color: #27ae60;\n            font-family: 'Courier New', monospace;\n        }\n        \n        .mm-col {\n            color: #8e44ad;\n            font-weight: 500;\n        }\n        \n        @media (max-width: 600px) {\n            .conversion-table-container {\n                padding: 15px;\n            }\n            \n            .conversion-table th,\n            .conversion-table td {\n                padding: 10px 8px;\n                font-size: 14px;\n            }\n            \n            .conversion-table-title {\n                font-size: 20px;\n            }\n        }\n    <\/style>\n\n\n    <div class=\"conversion-table-container\">\n\n        \n        <table class=\"conversion-table\">\n            <thead>\n                <tr>\n                    <th>Fractional Inches<\/th>\n                    <th>Decimal Inches<\/th>\n                    <th>Millimeters<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td class=\"fraction-col\">1\/64\"<\/td>\n                    <td class=\"decimal-col\">0.0156\"<\/td>\n                    <td class=\"mm-col\">0.40 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1\/32\"<\/td>\n                    <td class=\"decimal-col\">0.0313\"<\/td>\n                    <td class=\"mm-col\">0.79 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1\/16\"<\/td>\n                    <td class=\"decimal-col\">0.0625\"<\/td>\n                    <td class=\"mm-col\">1.59 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3\/32\"<\/td>\n                    <td class=\"decimal-col\">0.0938\"<\/td>\n                    <td class=\"mm-col\">2.38 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1\/8\"<\/td>\n                    <td class=\"decimal-col\">0.1250\"<\/td>\n                    <td class=\"mm-col\">3.18 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5\/32\"<\/td>\n                    <td class=\"decimal-col\">0.1563\"<\/td>\n                    <td class=\"mm-col\">3.97 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3\/16\"<\/td>\n                    <td class=\"decimal-col\">0.1875\"<\/td>\n                    <td class=\"mm-col\">4.76 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7\/32\"<\/td>\n                    <td class=\"decimal-col\">0.2188\"<\/td>\n                    <td class=\"mm-col\">5.56 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1\/4\"<\/td>\n                    <td class=\"decimal-col\">0.2500\"<\/td>\n                    <td class=\"mm-col\">6.35 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">9\/32\"<\/td>\n                    <td class=\"decimal-col\">0.2813\"<\/td>\n                    <td class=\"mm-col\">7.14 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5\/16\"<\/td>\n                    <td class=\"decimal-col\">0.3125\"<\/td>\n                    <td class=\"mm-col\">7.94 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">11\/32\"<\/td>\n                    <td class=\"decimal-col\">0.3438\"<\/td>\n                    <td class=\"mm-col\">8.73 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3\/8\"<\/td>\n                    <td class=\"decimal-col\">0.3750\"<\/td>\n                    <td class=\"mm-col\">9.53 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">13\/32\"<\/td>\n                    <td class=\"decimal-col\">0.4063\"<\/td>\n                    <td class=\"mm-col\">10.32 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7\/16\"<\/td>\n                    <td class=\"decimal-col\">0.4375\"<\/td>\n                    <td class=\"mm-col\">11.11 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">15\/32\"<\/td>\n                    <td class=\"decimal-col\">0.4688\"<\/td>\n                    <td class=\"mm-col\">11.91 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1\/2\"<\/td>\n                    <td class=\"decimal-col\">0.5000\"<\/td>\n                    <td class=\"mm-col\">12.70 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">17\/32\"<\/td>\n                    <td class=\"decimal-col\">0.5313\"<\/td>\n                    <td class=\"mm-col\">13.49 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">9\/16\"<\/td>\n                    <td class=\"decimal-col\">0.5625\"<\/td>\n                    <td class=\"mm-col\">14.29 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">19\/32\"<\/td>\n                    <td class=\"decimal-col\">0.5938\"<\/td>\n                    <td class=\"mm-col\">15.08 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5\/8\"<\/td>\n                    <td class=\"decimal-col\">0.6250\"<\/td>\n                    <td class=\"mm-col\">15.88 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">21\/32\"<\/td>\n                    <td class=\"decimal-col\">0.6563\"<\/td>\n                    <td class=\"mm-col\">16.67 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">11\/16\"<\/td>\n                    <td class=\"decimal-col\">0.6875\"<\/td>\n                    <td class=\"mm-col\">17.46 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">23\/32\"<\/td>\n                    <td class=\"decimal-col\">0.7188\"<\/td>\n                    <td class=\"mm-col\">18.26 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3\/4\"<\/td>\n                    <td class=\"decimal-col\">0.7500\"<\/td>\n                    <td class=\"mm-col\">19.05 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">25\/32\"<\/td>\n                    <td class=\"decimal-col\">0.7813\"<\/td>\n                    <td class=\"mm-col\">19.84 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">13\/16\"<\/td>\n                    <td class=\"decimal-col\">0.8125\"<\/td>\n                    <td class=\"mm-col\">20.64 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">27\/32\"<\/td>\n                    <td class=\"decimal-col\">0.8438\"<\/td>\n                    <td class=\"mm-col\">21.43 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7\/8\"<\/td>\n                    <td class=\"decimal-col\">0.8750\"<\/td>\n                    <td class=\"mm-col\">22.23 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">29\/32\"<\/td>\n                    <td class=\"decimal-col\">0.9063\"<\/td>\n                    <td class=\"mm-col\">23.02 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">15\/16\"<\/td>\n                    <td class=\"decimal-col\">0.9375\"<\/td>\n                    <td class=\"mm-col\">23.81 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">31\/32\"<\/td>\n                    <td class=\"decimal-col\">0.9688\"<\/td>\n                    <td class=\"mm-col\">24.61 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1\"<\/td>\n                    <td class=\"decimal-col\">1.0000\"<\/td>\n                    <td class=\"mm-col\">25.40 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1 1\/4\"<\/td>\n                    <td class=\"decimal-col\">1.2500\"<\/td>\n                    <td class=\"mm-col\">31.75 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1 1\/2\"<\/td>\n                    <td class=\"decimal-col\">1.5000\"<\/td>\n                    <td class=\"mm-col\">38.10 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">1 3\/4\"<\/td>\n                    <td class=\"decimal-col\">1.7500\"<\/td>\n                    <td class=\"mm-col\">44.45 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">2\"<\/td>\n                    <td class=\"decimal-col\">2.0000\"<\/td>\n                    <td class=\"mm-col\">50.80 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">2 1\/4\"<\/td>\n                    <td class=\"decimal-col\">2.2500\"<\/td>\n                    <td class=\"mm-col\">57.15 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">2 1\/2\"<\/td>\n                    <td class=\"decimal-col\">2.5000\"<\/td>\n                    <td class=\"mm-col\">63.50 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">2 3\/4\"<\/td>\n                    <td class=\"decimal-col\">2.7500\"<\/td>\n                    <td class=\"mm-col\">69.85 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3\"<\/td>\n                    <td class=\"decimal-col\">3.0000\"<\/td>\n                    <td class=\"mm-col\">76.20 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3 1\/4\"<\/td>\n                    <td class=\"decimal-col\">3.2500\"<\/td>\n                    <td class=\"mm-col\">82.55 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3 1\/2\"<\/td>\n                    <td class=\"decimal-col\">3.5000\"<\/td>\n                    <td class=\"mm-col\">88.90 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">3 3\/4\"<\/td>\n                    <td class=\"decimal-col\">3.7500\"<\/td>\n                    <td class=\"mm-col\">95.25 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">4\"<\/td>\n                    <td class=\"decimal-col\">4.0000\"<\/td>\n                    <td class=\"mm-col\">101.60 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">4 1\/4\"<\/td>\n                    <td class=\"decimal-col\">4.2500\"<\/td>\n                    <td class=\"mm-col\">107.95 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">4 1\/2\"<\/td>\n                    <td class=\"decimal-col\">4.5000\"<\/td>\n                    <td class=\"mm-col\">114.30 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">4 3\/4\"<\/td>\n                    <td class=\"decimal-col\">4.7500\"<\/td>\n                    <td class=\"mm-col\">120.65 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5\"<\/td>\n                    <td class=\"decimal-col\">5.0000\"<\/td>\n                    <td class=\"mm-col\">127.00 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5 1\/4\"<\/td>\n                    <td class=\"decimal-col\">5.2500\"<\/td>\n                    <td class=\"mm-col\">133.35 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5 1\/2\"<\/td>\n                    <td class=\"decimal-col\">5.5000\"<\/td>\n                    <td class=\"mm-col\">139.70 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">5 3\/4\"<\/td>\n                    <td class=\"decimal-col\">5.7500\"<\/td>\n                    <td class=\"mm-col\">146.05 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">6\"<\/td>\n                    <td class=\"decimal-col\">6.0000\"<\/td>\n                    <td class=\"mm-col\">152.40 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">6 1\/4\"<\/td>\n                    <td class=\"decimal-col\">6.2500\"<\/td>\n                    <td class=\"mm-col\">158.75 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">6 1\/2\"<\/td>\n                    <td class=\"decimal-col\">6.5000\"<\/td>\n                    <td class=\"mm-col\">165.10 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">6 3\/4\"<\/td>\n                    <td class=\"decimal-col\">6.7500\"<\/td>\n                    <td class=\"mm-col\">171.45 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7\"<\/td>\n                    <td class=\"decimal-col\">7.0000\"<\/td>\n                    <td class=\"mm-col\">177.80 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7 1\/4\"<\/td>\n                    <td class=\"decimal-col\">7.2500\"<\/td>\n                    <td class=\"mm-col\">184.15 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7 1\/2\"<\/td>\n                    <td class=\"decimal-col\">7.5000\"<\/td>\n                    <td class=\"mm-col\">190.50 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">7 3\/4\"<\/td>\n                    <td class=\"decimal-col\">7.7500\"<\/td>\n                    <td class=\"mm-col\">196.85 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">8\"<\/td>\n                    <td class=\"decimal-col\">8.0000\"<\/td>\n                    <td class=\"mm-col\">203.20 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">8 1\/4\"<\/td>\n                    <td class=\"decimal-col\">8.2500\"<\/td>\n                    <td class=\"mm-col\">209.55 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">8 1\/2\"<\/td>\n                    <td class=\"decimal-col\">8.5000\"<\/td>\n                    <td class=\"mm-col\">215.90 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">8 3\/4\"<\/td>\n                    <td class=\"decimal-col\">8.7500\"<\/td>\n                    <td class=\"mm-col\">222.25 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">9\"<\/td>\n                    <td class=\"decimal-col\">9.0000\"<\/td>\n                    <td class=\"mm-col\">228.60 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">9 1\/4\"<\/td>\n                    <td class=\"decimal-col\">9.2500\"<\/td>\n                    <td class=\"mm-col\">234.95 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">9 1\/2\"<\/td>\n                    <td class=\"decimal-col\">9.5000\"<\/td>\n                    <td class=\"mm-col\">241.30 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">9 3\/4\"<\/td>\n                    <td class=\"decimal-col\">9.7500\"<\/td>\n                    <td class=\"mm-col\">247.65 mm<\/td>\n                <\/tr>\n                <tr>\n                    <td class=\"fraction-col\">10\"<\/td>\n                    <td class=\"decimal-col\">10.0000\"<\/td>\n                    <td class=\"mm-col\">254.00 mm<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2>Inches to mm Visual Conversion<\/h2>\n\n\n\n<div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"250\" height=\"902\" src=\"https:\/\/blog.misumiusa.com\/wp-content\/uploads\/2025\/07\/Inch-to-mm-conversion.jpg\" alt=\"\" class=\"wp-image-15266\"\/><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/us.misumi-ec.com\/\" title=\"\">MISUMI USA<\/a> offers a full selection of fasteners, <a href=\"https:\/\/us.misumi-ec.com\/vona2\/mech\/\" title=\"\">automation components<\/a>, <a href=\"https:\/\/us.misumi-ec.com\/vona2\/fs_processing\/\" title=\"\">tool &amp; accessories<\/a>, and more\u2014everything you need to keep your manufacturing projects moving forward.  With fast shipping and expert support, we\u2019re here to help you find the right components for any application. Have sizing questions? Our knowledgeable <a href=\"https:\/\/us.misumi-ec.com\/service\/info\/help-center\/help-center.html\" title=\"\">product specialists<\/a> are ready to assist.  And don\u2019t forget to explore our <a href=\"https:\/\/us.misumi-ec.com\/blog\/\" title=\"\">MechBlog<\/a> for helpful articles, calculators, and reference charts created to support engineers and manufacturers at every stage of the process.<\/p>\n\n\n\n<p>Author:&nbsp;<a href=\"https:\/\/us.misumi-ec.com\/blog\/author\/sbredemann\/\">Scott Bredemann<\/a>&nbsp;| Updated: 7\/24\/2025<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Disclaimer:<\/strong><br>The content on this webpage is for informational purposes only. MISUMI makes no guarantees, expressed or implied, regarding the accuracy, completeness, or validity of the information. Performance parameters, tolerances, designs, materials, or processes should not be assumed to reflect third-party suppliers\u2019 or manufacturers\u2019 deliverables within MISUMI\u2019s network. Buyers are responsible for specifying their part requirements<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We&#8217;re all taught inches in school in the US &#8211; sometimes the metric system, but generally not how to convert them. That, or we&#8217;ve forgotten how. With the coversion millimeters to inches and vice versa being integral in manufacturing, industrial equipment manufacturing, and many other facets of daily life, we&#8217;ve created a resource for this. To give a very quick [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15258"}],"collection":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/users\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/comments?post=15258"}],"version-history":[{"count":5,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15258\/revisions"}],"predecessor-version":[{"id":15275,"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/pages\/15258\/revisions\/15275"}],"wp:attachment":[{"href":"https:\/\/us.misumi-ec.com\/blog\/wp-json\/wp\/v2\/media?parent=15258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}