Below is MISUMI USA’s tire conversion chart for measuring depth. Compare all tire depths including 5/32 to millimeters, 15/32 to inches, and more.
| /32″ | Inch | MM |
|---|---|---|
| 1/32″ | 0.03125 | 0.79 |
| 2/32″ | 0.0625 | 1.59 |
| 3/32″ | 0.09375 | 2.38 |
| 4/32″ | 0.125 | 3.18 |
| 5/32″ | 0.15625 | 3.97 |
| 6/32″ | 0.1875 | 4.76 |
| 7/32″ | 0.21875 | 5.56 |
| 8/32″ | 0.25 | 6.35 |
| 9/32″ | 0.28125 | 7.14 |
| 10/32″ | 0.3125 | 7.94 |
| 11/32″ | 0.34375 | 8.73 |
| 12/32″ | 0.375 | 9.53 |
| 13/32″ | 0.40625 | 10.32 |
| 14/32″ | 0.4375 | 11.11 |
| 15/32″ | 0.46875 | 11.91 |
| 16/32″ | 0.5 | 12.70 |
| 17/32″ | 0.53125 | 13.49 |
| 18/32″ | 0.5625 | 14.29 |
| 19/32″ | 0.59375 | 15.08 |
| 20/32″ | 0.625 | 15.88 |
| 21/32″ | 0.65625 | 16.67 |
| 22/32″ | 0.6875 | 17.46 |
| 23/32″ | 0.71875 | 18.26 |
| 24/32″ | 0.75 | 19.05 |
| 25/32″ | 0.78125 | 19.84 |
| 26/32″ | 0.8125 | 20.64 |
| 27/32″ | 0.84375 | 21.43 |
| 28/32″ | 0.875 | 22.23 |
| 29/32″ | 0.90625 | 23.02 |
| 30/32″ | 0.9375 | 23.81 |
| 31/32″ | 0.96875 | 24.61 |
| 32/32″ | 1.0 | 25.40 |
MISUMI USA carries several options of depth gauges. Please feel free to reach out to our product specialists with any questions you might have in regards to tire depth and your next project requirements/measurements. Be sure to also check out our other great resources and tables like :Electrical Motor Calculator, and Electric Motor Amp Chart for more help.
Author: Scott Bredemann | Updated: 10/16/2025
Disclaimer:
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’ or manufacturers’ deliverables within MISUMI’s network. Buyers are responsible for specifying their part requirements