Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-19.5 | 285/70-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33 (838.3) | 35.21 (894.3) | 2.2 (56) 6.7% |
| Width inches (mm) | 9.65 (245) | 11.22 (285) | 1.57 (40) 16.3% |
| Circum. inches (mm) | 103.68 (2633.6) | 110.61 (2809.53) | 6.93 (175.93) 6.7% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 7.85 (199.5) | 1.1 (28) 16.3% |
| Revolutions per mile (km) | 611.08 (379.71) | 572.82 (355.93) | -38.27 (-23.78) -6.3% |
285/70-19.5 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.34 mph (34.34 km/h) |
| 25 mph (40.23 km/h) | 26.67 mph (42.92 km/h) |
| 30 mph (48.28 km/h) | 32 mph (51.51 km/h) |
| 35 mph (56.33 km/h) | 37.34 mph (60.09 km/h) |
| 40 mph (64.37 km/h) | 42.67 mph (68.67 km/h) |
| 45 mph (72.42 km/h) | 48.01 mph (77.26 km/h) |
| 50 mph (80.47 km/h) | 53.34 mph (85.84 km/h) |
| 55 mph (88.51 km/h) | 58.67 mph (94.43 km/h) |
| 60 mph (96.56 km/h) | 64.01 mph (103.01 km/h) |
| 65 mph (104.61 km/h) | 69.34 mph (111.6 km/h) |
| 70 mph (112.65 km/h) | 74.68 mph (120.18 km/h) |
| 75 mph (120.7 km/h) | 80.01 mph (128.76 km/h) |
| 80 mph (128.75 km/h) | 85.34 mph (137.35 km/h) |
| 85 mph (136.79 km/h) | 90.68 mph (145.93 km/h) |
| 90 mph (144.84 km/h) | 96.01 mph (154.52 km/h) |
| 95 mph (152.89 km/h) | 101.35 mph (163.1 km/h) |
| 100 mph (160.93 km/h) | 106.68 mph (171.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1458 | 1693 | 1824 | 1904 | 1991 | 2053 | 2121 | 2202 | 2314 | 2425 | 2549 | 2649 | 2829 | 3027 | 3182 | 3281 | 3337 | 3542 | 3827 | 4448 |
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