Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/60-18 | 255/30-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.63 (727.2) | 30.02 (762.6) | 1.39 (35.4) 4.9% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 89.94 (2284.57) | 94.32 (2395.78) | 4.38 (111.21) 4.9% |
| Sidewall Height inches (mm) | 5.31 (135) | 3.01 (76.5) | -2.3 (-58.5) -43.3% |
| Revolutions per mile (km) | 704.44 (437.72) | 671.74 (417.4) | -32.7 (-20.32) -4.6% |
255/30-24 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.97 mph (33.75 km/h) |
| 25 mph (40.23 km/h) | 26.22 mph (42.19 km/h) |
| 30 mph (48.28 km/h) | 31.46 mph (50.63 km/h) |
| 35 mph (56.33 km/h) | 36.7 mph (59.07 km/h) |
| 40 mph (64.37 km/h) | 41.95 mph (67.51 km/h) |
| 45 mph (72.42 km/h) | 47.19 mph (75.95 km/h) |
| 50 mph (80.47 km/h) | 52.43 mph (84.38 km/h) |
| 55 mph (88.51 km/h) | 57.68 mph (92.82 km/h) |
| 60 mph (96.56 km/h) | 62.92 mph (101.26 km/h) |
| 65 mph (104.61 km/h) | 68.16 mph (109.7 km/h) |
| 70 mph (112.65 km/h) | 73.41 mph (118.14 km/h) |
| 75 mph (120.7 km/h) | 78.65 mph (126.58 km/h) |
| 80 mph (128.75 km/h) | 83.89 mph (135.02 km/h) |
| 85 mph (136.79 km/h) | 89.14 mph (143.45 km/h) |
| 90 mph (144.84 km/h) | 94.38 mph (151.89 km/h) |
| 95 mph (152.89 km/h) | 99.62 mph (160.33 km/h) |
| 100 mph (160.93 km/h) | 104.87 mph (168.77 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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