Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 355/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 35.18 (893.6) | -2.26 (-57.4) -6% |
| Width inches (mm) | 12.4 (315) | 13.98 (355) | 1.57 (40) 12.7% |
| Circum. inches (mm) | 117.62 (2987.65) | 110.52 (2807.33) | -7.1 (-180.33) -6% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 5.59 (142) | 1.87 (47.5) 50.3% |
| Revolutions per mile (km) | 538.66 (334.71) | 573.27 (356.21) | 34.6 (21.5) 6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.24 km/h) |
| 25 mph (40.23 km/h) | 23.49 mph (37.81 km/h) |
| 30 mph (48.28 km/h) | 28.19 mph (45.37 km/h) |
| 35 mph (56.33 km/h) | 32.89 mph (52.93 km/h) |
| 40 mph (64.37 km/h) | 37.59 mph (60.49 km/h) |
| 45 mph (72.42 km/h) | 42.28 mph (68.05 km/h) |
| 50 mph (80.47 km/h) | 46.98 mph (75.61 km/h) |
| 55 mph (88.51 km/h) | 51.68 mph (83.17 km/h) |
| 60 mph (96.56 km/h) | 56.38 mph (90.73 km/h) |
| 65 mph (104.61 km/h) | 61.08 mph (98.29 km/h) |
| 70 mph (112.65 km/h) | 65.77 mph (105.85 km/h) |
| 75 mph (120.7 km/h) | 70.47 mph (113.42 km/h) |
| 80 mph (128.75 km/h) | 75.17 mph (120.98 km/h) |
| 85 mph (136.79 km/h) | 79.87 mph (128.54 km/h) |
| 90 mph (144.84 km/h) | 84.57 mph (136.1 km/h) |
| 95 mph (152.89 km/h) | 89.27 mph (143.66 km/h) |
| 100 mph (160.93 km/h) | 93.96 mph (151.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1459 | 1695 | 1825 | 1906 | 1993 | 2055 | 2123 | 2204 | 2316 | 2427 | 2551 | 2651 | 2831 | 3029 | 3185 | 3284 | 3340 | 3545 | 3830 | 4451 |
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