Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-20 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.57 (802) | 32.99 (838) | 1.42 (36) 4.5% |
| Width inches (mm) | 9.65 (245) | 10.83 (275) | 1.18 (30) 12.2% |
| Circum. inches (mm) | 99.2 (2519.56) | 103.65 (2632.65) | 4.45 (113.1) 4.5% |
| Sidewall Height inches (mm) | 5.79 (147) | 6.5 (165) | 0.71 (18) 12.2% |
| Revolutions per mile (km) | 638.74 (396.89) | 611.3 (379.84) | -27.44 (-17.05) -4.3% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.9 mph (33.63 km/h) |
| 25 mph (40.23 km/h) | 26.12 mph (42.04 km/h) |
| 30 mph (48.28 km/h) | 31.35 mph (50.45 km/h) |
| 35 mph (56.33 km/h) | 36.57 mph (58.86 km/h) |
| 40 mph (64.37 km/h) | 41.8 mph (67.26 km/h) |
| 45 mph (72.42 km/h) | 47.02 mph (75.67 km/h) |
| 50 mph (80.47 km/h) | 52.24 mph (84.08 km/h) |
| 55 mph (88.51 km/h) | 57.47 mph (92.49 km/h) |
| 60 mph (96.56 km/h) | 62.69 mph (100.9 km/h) |
| 65 mph (104.61 km/h) | 67.92 mph (109.3 km/h) |
| 70 mph (112.65 km/h) | 73.14 mph (117.71 km/h) |
| 75 mph (120.7 km/h) | 78.37 mph (126.12 km/h) |
| 80 mph (128.75 km/h) | 83.59 mph (134.53 km/h) |
| 85 mph (136.79 km/h) | 88.82 mph (142.93 km/h) |
| 90 mph (144.84 km/h) | 94.04 mph (151.34 km/h) |
| 95 mph (152.89 km/h) | 99.26 mph (159.75 km/h) |
| 100 mph (160.93 km/h) | 104.49 mph (168.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | 1807 | 1946 | 2032 | 2125 | 2191 | 2264 | 2350 | 2469 | 2588 | 2721 | 2827 | 3019 | 3230 | 3396 | 3502 | 3561 | 3780 | 4084 | 4746 |
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