Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 26.85 (682) | 5.43 (137.9) 25.3% |
| Width inches (mm) | 5.71 (145) | 8.46 (215) | 2.76 (70) 48.3% |
| Circum. inches (mm) | 67.3 (1709.34) | 84.35 (2142.57) | 17.06 (433.23) 25.3% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 5.93 (150.5) | 2.21 (56.25) 59.7% |
| Revolutions per mile (km) | 941.5 (585.02) | 751.13 (466.73) | -190.37 (-118.29) -20.2% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.07 mph (40.34 km/h) |
| 25 mph (40.23 km/h) | 31.34 mph (50.43 km/h) |
| 30 mph (48.28 km/h) | 37.6 mph (60.52 km/h) |
| 35 mph (56.33 km/h) | 43.87 mph (70.6 km/h) |
| 40 mph (64.37 km/h) | 50.14 mph (80.69 km/h) |
| 45 mph (72.42 km/h) | 56.41 mph (90.78 km/h) |
| 50 mph (80.47 km/h) | 62.67 mph (100.86 km/h) |
| 55 mph (88.51 km/h) | 68.94 mph (110.95 km/h) |
| 60 mph (96.56 km/h) | 75.21 mph (121.03 km/h) |
| 65 mph (104.61 km/h) | 81.47 mph (131.12 km/h) |
| 70 mph (112.65 km/h) | 87.74 mph (141.21 km/h) |
| 75 mph (120.7 km/h) | 94.01 mph (151.29 km/h) |
| 80 mph (128.75 km/h) | 100.28 mph (161.38 km/h) |
| 85 mph (136.79 km/h) | 106.54 mph (171.46 km/h) |
| 90 mph (144.84 km/h) | 112.81 mph (181.55 km/h) |
| 95 mph (152.89 km/h) | 119.08 mph (191.64 km/h) |
| 100 mph (160.93 km/h) | 125.34 mph (201.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2221 | 2391 | 2497 | 2611 | 2692 | 2782 | 2888 | 3034 | 3180 | 3343 | 3473 | 3709 | 3969 | 4173 | 4303 | 4376 | 4644 | 5019 | 5832 |
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