Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.4) | 28.88 (733.5) | -2.12 (-53.9) -6.8% |
| Width inches (mm) | 10 (254) | 9.25 (235) | -0.75 (-19) -7.5% |
| Circum. inches (mm) | 97.39 (2473.69) | 90.72 (2304.36) | -6.67 (-169.33) -6.8% |
| Sidewall Height inches (mm) | 8 (203.2) | 6.94 (176.25) | -1.06 (-26.95) -13.3% |
| Revolutions per mile (km) | 650.58 (404.25) | 698.39 (433.96) | 47.81 (29.71) 7.3% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.63 mph (29.98 km/h) |
| 25 mph (40.23 km/h) | 23.29 mph (37.48 km/h) |
| 30 mph (48.28 km/h) | 27.95 mph (44.98 km/h) |
| 35 mph (56.33 km/h) | 32.6 mph (52.47 km/h) |
| 40 mph (64.37 km/h) | 37.26 mph (59.97 km/h) |
| 45 mph (72.42 km/h) | 41.92 mph (67.46 km/h) |
| 50 mph (80.47 km/h) | 46.58 mph (74.96 km/h) |
| 55 mph (88.51 km/h) | 51.24 mph (82.46 km/h) |
| 60 mph (96.56 km/h) | 55.89 mph (89.95 km/h) |
| 65 mph (104.61 km/h) | 60.55 mph (97.45 km/h) |
| 70 mph (112.65 km/h) | 65.21 mph (104.94 km/h) |
| 75 mph (120.7 km/h) | 69.87 mph (112.44 km/h) |
| 80 mph (128.75 km/h) | 74.52 mph (119.93 km/h) |
| 85 mph (136.79 km/h) | 79.18 mph (127.43 km/h) |
| 90 mph (144.84 km/h) | 83.84 mph (134.93 km/h) |
| 95 mph (152.89 km/h) | 88.5 mph (142.42 km/h) |
| 100 mph (160.93 km/h) | 93.15 mph (149.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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