Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-14 | 170/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.34 (516.6) | 23.37 (593.6) | 3.03 (77) 14.9% |
| Width inches (mm) | 4.53 (115) | 6.69 (170) | 2.17 (55) 47.8% |
| Circum. inches (mm) | 63.9 (1622.95) | 73.42 (1864.85) | 9.52 (241.9) 14.9% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 4.69 (119) | 1.52 (38.5) 47.8% |
| Revolutions per mile (km) | 991.62 (616.16) | 862.99 (536.24) | -128.63 (-79.93) -13% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.98 mph (36.98 km/h) |
| 25 mph (40.23 km/h) | 28.73 mph (46.23 km/h) |
| 30 mph (48.28 km/h) | 34.47 mph (55.48 km/h) |
| 35 mph (56.33 km/h) | 40.22 mph (64.72 km/h) |
| 40 mph (64.37 km/h) | 45.96 mph (73.97 km/h) |
| 45 mph (72.42 km/h) | 51.71 mph (83.22 km/h) |
| 50 mph (80.47 km/h) | 57.45 mph (92.46 km/h) |
| 55 mph (88.51 km/h) | 63.2 mph (101.71 km/h) |
| 60 mph (96.56 km/h) | 68.94 mph (110.95 km/h) |
| 65 mph (104.61 km/h) | 74.69 mph (120.2 km/h) |
| 70 mph (112.65 km/h) | 80.43 mph (129.45 km/h) |
| 75 mph (120.7 km/h) | 86.18 mph (138.69 km/h) |
| 80 mph (128.75 km/h) | 91.92 mph (147.94 km/h) |
| 85 mph (136.79 km/h) | 97.67 mph (157.18 km/h) |
| 90 mph (144.84 km/h) | 103.41 mph (166.43 km/h) |
| 95 mph (152.89 km/h) | 109.16 mph (175.68 km/h) |
| 100 mph (160.93 km/h) | 114.91 mph (184.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2196 | 2551 | 2748 | 2869 | 3000 | 3093 | 3196 | 3318 | 3486 | 3654 | 3841 | 3990 | 4261 | 4560 | 4794 | 4944 | 5028 | 5336 | 5766 | 6701 |
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