Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-19 | 285/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.02 (635.6) | 25.73 (653.6) | 0.71 (18) 2.8% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 78.61 (1996.8) | 80.84 (2053.34) | 2.23 (56.55) 2.8% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.37 (85.5) | 0.35 (9) 11.8% |
| Revolutions per mile (km) | 805.96 (500.8) | 783.77 (487.01) | -22.2 (-13.79) -2.8% |
285/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.57 mph (33.1 km/h) |
| 25 mph (40.23 km/h) | 25.71 mph (41.37 km/h) |
| 30 mph (48.28 km/h) | 30.85 mph (49.65 km/h) |
| 35 mph (56.33 km/h) | 35.99 mph (57.92 km/h) |
| 40 mph (64.37 km/h) | 41.13 mph (66.2 km/h) |
| 45 mph (72.42 km/h) | 46.27 mph (74.47 km/h) |
| 50 mph (80.47 km/h) | 51.42 mph (82.75 km/h) |
| 55 mph (88.51 km/h) | 56.56 mph (91.02 km/h) |
| 60 mph (96.56 km/h) | 61.7 mph (99.3 km/h) |
| 65 mph (104.61 km/h) | 66.84 mph (107.57 km/h) |
| 70 mph (112.65 km/h) | 71.98 mph (115.84 km/h) |
| 75 mph (120.7 km/h) | 77.12 mph (124.12 km/h) |
| 80 mph (128.75 km/h) | 82.27 mph (132.39 km/h) |
| 85 mph (136.79 km/h) | 87.41 mph (140.67 km/h) |
| 90 mph (144.84 km/h) | 92.55 mph (148.94 km/h) |
| 95 mph (152.89 km/h) | 97.69 mph (157.22 km/h) |
| 100 mph (160.93 km/h) | 102.83 mph (165.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 2317 | 2495 | 2606 | 2724 | 2809 | 2903 | 3013 | 3166 | 3319 | 3488 | 3624 | 3870 | 4142 | 4354 | 4490 | 4566 | 4846 | 5237 | 6085 |
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