Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/70-16 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.17 (588.4) | 30.98 (786.84) | 7.81 (198.44) 33.7% |
| Width inches (mm) | 5.12 (130) | 10.51 (267) | 5.39 (137) 105.4% |
| Circum. inches (mm) | 72.78 (1848.51) | 97.32 (2471.93) | 24.54 (623.42) 33.7% |
| Sidewall Height inches (mm) | 3.58 (91) | 7.99 (202.92) | 4.41 (111.92) 123% |
| Revolutions per mile (km) | 870.62 (540.97) | 651.05 (404.54) | -219.57 (-136.43) -25.2% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.75 mph (43.04 km/h) |
| 25 mph (40.23 km/h) | 33.43 mph (53.8 km/h) |
| 30 mph (48.28 km/h) | 40.12 mph (64.56 km/h) |
| 35 mph (56.33 km/h) | 46.8 mph (75.32 km/h) |
| 40 mph (64.37 km/h) | 53.49 mph (86.08 km/h) |
| 45 mph (72.42 km/h) | 60.18 mph (96.84 km/h) |
| 50 mph (80.47 km/h) | 66.86 mph (107.61 km/h) |
| 55 mph (88.51 km/h) | 73.55 mph (118.37 km/h) |
| 60 mph (96.56 km/h) | 80.24 mph (129.13 km/h) |
| 65 mph (104.61 km/h) | 86.92 mph (139.89 km/h) |
| 70 mph (112.65 km/h) | 93.61 mph (150.65 km/h) |
| 75 mph (120.7 km/h) | 100.29 mph (161.41 km/h) |
| 80 mph (128.75 km/h) | 106.98 mph (172.17 km/h) |
| 85 mph (136.79 km/h) | 113.67 mph (182.93 km/h) |
| 90 mph (144.84 km/h) | 120.35 mph (193.69 km/h) |
| 95 mph (152.89 km/h) | 127.04 mph (204.45 km/h) |
| 100 mph (160.93 km/h) | 133.73 mph (215.21 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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