Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10.5-16 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.93 (785.54) | 30.98 (786.84) | 0.05 (1.3) 0.2% |
| Width inches (mm) | 10.51 (267) | 10.51 (267) | 0 (0) 0% |
| Circum. inches (mm) | 97.16 (2467.85) | 97.32 (2471.93) | 0.16 (4.08) 0.2% |
| Sidewall Height inches (mm) | 7.46 (189.57) | 7.99 (202.92) | 0.53 (13.35) 7% |
| Revolutions per mile (km) | 652.12 (405.21) | 651.05 (404.54) | -1.08 (-0.67) -0.2% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.03 mph (32.24 km/h) |
| 25 mph (40.23 km/h) | 25.04 mph (40.3 km/h) |
| 30 mph (48.28 km/h) | 30.05 mph (48.36 km/h) |
| 35 mph (56.33 km/h) | 35.06 mph (56.42 km/h) |
| 40 mph (64.37 km/h) | 40.07 mph (64.48 km/h) |
| 45 mph (72.42 km/h) | 45.07 mph (72.54 km/h) |
| 50 mph (80.47 km/h) | 50.08 mph (80.6 km/h) |
| 55 mph (88.51 km/h) | 55.09 mph (88.66 km/h) |
| 60 mph (96.56 km/h) | 60.1 mph (96.72 km/h) |
| 65 mph (104.61 km/h) | 65.11 mph (104.78 km/h) |
| 70 mph (112.65 km/h) | 70.12 mph (112.84 km/h) |
| 75 mph (120.7 km/h) | 75.12 mph (120.9 km/h) |
| 80 mph (128.75 km/h) | 80.13 mph (128.96 km/h) |
| 85 mph (136.79 km/h) | 85.14 mph (137.02 km/h) |
| 90 mph (144.84 km/h) | 90.15 mph (145.08 km/h) |
| 95 mph (152.89 km/h) | 95.16 mph (153.14 km/h) |
| 100 mph (160.93 km/h) | 100.17 mph (161.2 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1657 | 1925 | 2073 | 2164 | 2263 | 2334 | 2411 | 2503 | 2630 | 2757 | 2898 | 3010 | 3215 | 3440 | 3617 | 3730 | 3793 | 4026 | 4350 | 5055 |
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