Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10-15 | 215/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.4) | 27.7 (703.5) | -3.3 (-83.9) -10.7% |
| Width inches (mm) | 10 (254) | 8.46 (215) | -1.54 (-39) -15.4% |
| Circum. inches (mm) | 97.39 (2473.69) | 87.01 (2210.11) | -10.38 (-263.58) -10.7% |
| Sidewall Height inches (mm) | 8 (203.2) | 6.35 (161.25) | -1.65 (-41.95) -20.6% |
| Revolutions per mile (km) | 650.58 (404.25) | 728.17 (452.47) | 77.59 (48.21) 11.9% |
215/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.87 mph (28.76 km/h) |
| 25 mph (40.23 km/h) | 22.34 mph (35.95 km/h) |
| 30 mph (48.28 km/h) | 26.8 mph (43.14 km/h) |
| 35 mph (56.33 km/h) | 31.27 mph (50.33 km/h) |
| 40 mph (64.37 km/h) | 35.74 mph (57.51 km/h) |
| 45 mph (72.42 km/h) | 40.21 mph (64.7 km/h) |
| 50 mph (80.47 km/h) | 44.67 mph (71.89 km/h) |
| 55 mph (88.51 km/h) | 49.14 mph (79.08 km/h) |
| 60 mph (96.56 km/h) | 53.61 mph (86.27 km/h) |
| 65 mph (104.61 km/h) | 58.07 mph (93.46 km/h) |
| 70 mph (112.65 km/h) | 62.54 mph (100.65 km/h) |
| 75 mph (120.7 km/h) | 67.01 mph (107.84 km/h) |
| 80 mph (128.75 km/h) | 71.48 mph (115.03 km/h) |
| 85 mph (136.79 km/h) | 75.94 mph (122.22 km/h) |
| 90 mph (144.84 km/h) | 80.41 mph (129.41 km/h) |
| 95 mph (152.89 km/h) | 84.88 mph (136.6 km/h) |
| 100 mph (160.93 km/h) | 89.34 mph (143.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1853 | 2153 | 2318 | 2421 | 2531 | 2610 | 2697 | 2799 | 2941 | 3083 | 3241 | 3367 | 3596 | 3848 | 4045 | 4171 | 4242 | 4503 | 4865 | 5654 |
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