Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-15 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.52 (699) | 30.98 (786.84) | 3.46 (87.84) 12.6% |
| Width inches (mm) | 10.43 (265) | 10.51 (267) | 0.08 (2) 0.8% |
| Circum. inches (mm) | 86.46 (2195.97) | 97.32 (2471.93) | 10.86 (275.96) 12.6% |
| Sidewall Height inches (mm) | 6.26 (159) | 7.99 (202.92) | 1.73 (43.92) 27.6% |
| Revolutions per mile (km) | 732.86 (455.38) | 651.05 (404.54) | -81.81 (-50.84) -11.2% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.51 mph (36.23 km/h) |
| 25 mph (40.23 km/h) | 28.14 mph (45.29 km/h) |
| 30 mph (48.28 km/h) | 33.77 mph (54.35 km/h) |
| 35 mph (56.33 km/h) | 39.4 mph (63.41 km/h) |
| 40 mph (64.37 km/h) | 45.03 mph (72.46 km/h) |
| 45 mph (72.42 km/h) | 50.65 mph (81.52 km/h) |
| 50 mph (80.47 km/h) | 56.28 mph (90.58 km/h) |
| 55 mph (88.51 km/h) | 61.91 mph (99.64 km/h) |
| 60 mph (96.56 km/h) | 67.54 mph (108.7 km/h) |
| 65 mph (104.61 km/h) | 73.17 mph (117.75 km/h) |
| 70 mph (112.65 km/h) | 78.8 mph (126.81 km/h) |
| 75 mph (120.7 km/h) | 84.42 mph (135.87 km/h) |
| 80 mph (128.75 km/h) | 90.05 mph (144.93 km/h) |
| 85 mph (136.79 km/h) | 95.68 mph (153.98 km/h) |
| 90 mph (144.84 km/h) | 101.31 mph (163.04 km/h) |
| 95 mph (152.89 km/h) | 106.94 mph (172.1 km/h) |
| 100 mph (160.93 km/h) | 112.57 mph (181.16 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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