Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 30.98 (786.84) | 0.01 (0.24) 0% |
| Width inches (mm) | 9.65 (245) | 10.51 (267) | 0.87 (22) 9% |
| Circum. inches (mm) | 97.29 (2471.18) | 97.32 (2471.93) | 0.03 (0.75) 0% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 7.99 (202.92) | 0.75 (19.17) 10.4% |
| Revolutions per mile (km) | 651.25 (404.66) | 651.05 (404.54) | -0.2 (-0.12) -0% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.01 mph (32.2 km/h) |
| 25 mph (40.23 km/h) | 25.01 mph (40.25 km/h) |
| 30 mph (48.28 km/h) | 30.01 mph (48.3 km/h) |
| 35 mph (56.33 km/h) | 35.01 mph (56.34 km/h) |
| 40 mph (64.37 km/h) | 40.01 mph (64.39 km/h) |
| 45 mph (72.42 km/h) | 45.01 mph (72.44 km/h) |
| 50 mph (80.47 km/h) | 50.02 mph (80.49 km/h) |
| 55 mph (88.51 km/h) | 55.02 mph (88.54 km/h) |
| 60 mph (96.56 km/h) | 60.02 mph (96.59 km/h) |
| 65 mph (104.61 km/h) | 65.02 mph (104.64 km/h) |
| 70 mph (112.65 km/h) | 70.02 mph (112.69 km/h) |
| 75 mph (120.7 km/h) | 75.02 mph (120.74 km/h) |
| 80 mph (128.75 km/h) | 80.02 mph (128.79 km/h) |
| 85 mph (136.79 km/h) | 85.03 mph (136.84 km/h) |
| 90 mph (144.84 km/h) | 90.03 mph (144.89 km/h) |
| 95 mph (152.89 km/h) | 95.03 mph (152.93 km/h) |
| 100 mph (160.93 km/h) | 100.03 mph (160.98 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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