Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-22 | 245/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.02 (711.8) | 26.75 (679.5) | -1.27 (-32.3) -4.5% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 88.04 (2236.19) | 84.04 (2134.71) | -4 (-101.47) -4.5% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.38 (85.75) | 0.36 (9.25) 12.1% |
| Revolutions per mile (km) | 719.68 (447.19) | 753.89 (468.45) | 34.21 (21.26) 4.8% |
245/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.09 mph (30.73 km/h) |
| 25 mph (40.23 km/h) | 23.87 mph (38.41 km/h) |
| 30 mph (48.28 km/h) | 28.64 mph (46.09 km/h) |
| 35 mph (56.33 km/h) | 33.41 mph (53.77 km/h) |
| 40 mph (64.37 km/h) | 38.18 mph (61.45 km/h) |
| 45 mph (72.42 km/h) | 42.96 mph (69.13 km/h) |
| 50 mph (80.47 km/h) | 47.73 mph (76.82 km/h) |
| 55 mph (88.51 km/h) | 52.5 mph (84.5 km/h) |
| 60 mph (96.56 km/h) | 57.28 mph (92.18 km/h) |
| 65 mph (104.61 km/h) | 62.05 mph (99.86 km/h) |
| 70 mph (112.65 km/h) | 66.82 mph (107.54 km/h) |
| 75 mph (120.7 km/h) | 71.6 mph (115.22 km/h) |
| 80 mph (128.75 km/h) | 76.37 mph (122.91 km/h) |
| 85 mph (136.79 km/h) | 81.14 mph (130.59 km/h) |
| 90 mph (144.84 km/h) | 85.92 mph (138.27 km/h) |
| 95 mph (152.89 km/h) | 90.69 mph (145.95 km/h) |
| 100 mph (160.93 km/h) | 95.46 mph (153.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1919 | 2229 | 2400 | 2506 | 2621 | 2702 | 2792 | 2898 | 3045 | 3192 | 3355 | 3486 | 3723 | 3984 | 4188 | 4319 | 4392 | 4662 | 5037 | 5854 |
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