Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-19.5 | 285/70-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.9 (810.3) | 35.21 (894.3) | 3.31 (84) 10.4% |
| Width inches (mm) | 8.86 (225) | 11.22 (285) | 2.36 (60) 26.7% |
| Circum. inches (mm) | 100.22 (2545.63) | 110.61 (2809.53) | 10.39 (263.89) 10.4% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 7.85 (199.5) | 1.65 (42) 26.7% |
| Revolutions per mile (km) | 632.2 (392.83) | 572.82 (355.93) | -59.38 (-36.9) -9.4% |
285/70-19.5 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.07 mph (35.52 km/h) |
| 25 mph (40.23 km/h) | 27.59 mph (44.4 km/h) |
| 30 mph (48.28 km/h) | 33.11 mph (53.29 km/h) |
| 35 mph (56.33 km/h) | 38.63 mph (62.17 km/h) |
| 40 mph (64.37 km/h) | 44.15 mph (71.05 km/h) |
| 45 mph (72.42 km/h) | 49.66 mph (79.93 km/h) |
| 50 mph (80.47 km/h) | 55.18 mph (88.81 km/h) |
| 55 mph (88.51 km/h) | 60.7 mph (97.69 km/h) |
| 60 mph (96.56 km/h) | 66.22 mph (106.57 km/h) |
| 65 mph (104.61 km/h) | 71.74 mph (115.45 km/h) |
| 70 mph (112.65 km/h) | 77.26 mph (124.33 km/h) |
| 75 mph (120.7 km/h) | 82.77 mph (133.21 km/h) |
| 80 mph (128.75 km/h) | 88.29 mph (142.09 km/h) |
| 85 mph (136.79 km/h) | 93.81 mph (150.98 km/h) |
| 90 mph (144.84 km/h) | 99.33 mph (159.86 km/h) |
| 95 mph (152.89 km/h) | 104.85 mph (168.74 km/h) |
| 100 mph (160.93 km/h) | 110.37 mph (177.62 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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