Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-22 | 255/30-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.41 (696.3) | 30.02 (762.6) | 2.61 (66.3) 9.5% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 86.12 (2187.49) | 94.32 (2395.78) | 8.2 (208.29) 9.5% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 3.01 (76.5) | 0.31 (7.75) 11.3% |
| Revolutions per mile (km) | 735.7 (457.14) | 671.74 (417.4) | -63.96 (-39.74) -8.7% |
255/30-24 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.9 mph (35.25 km/h) |
| 25 mph (40.23 km/h) | 27.38 mph (44.06 km/h) |
| 30 mph (48.28 km/h) | 32.86 mph (52.88 km/h) |
| 35 mph (56.33 km/h) | 38.33 mph (61.69 km/h) |
| 40 mph (64.37 km/h) | 43.81 mph (70.5 km/h) |
| 45 mph (72.42 km/h) | 49.28 mph (79.32 km/h) |
| 50 mph (80.47 km/h) | 54.76 mph (88.13 km/h) |
| 55 mph (88.51 km/h) | 60.24 mph (96.94 km/h) |
| 60 mph (96.56 km/h) | 65.71 mph (105.76 km/h) |
| 65 mph (104.61 km/h) | 71.19 mph (114.57 km/h) |
| 70 mph (112.65 km/h) | 76.67 mph (123.38 km/h) |
| 75 mph (120.7 km/h) | 82.14 mph (132.19 km/h) |
| 80 mph (128.75 km/h) | 87.62 mph (141.01 km/h) |
| 85 mph (136.79 km/h) | 93.09 mph (149.82 km/h) |
| 90 mph (144.84 km/h) | 98.57 mph (158.63 km/h) |
| 95 mph (152.89 km/h) | 104.05 mph (167.45 km/h) |
| 100 mph (160.93 km/h) | 109.52 mph (176.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1709 | 1986 | 2139 | 2233 | 2335 | 2408 | 2488 | 2582 | 2713 | 2844 | 2990 | 3106 | 3317 | 3550 | 3732 | 3848 | 3914 | 4154 | 4488 | 5216 |
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