Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-17 | 225/70-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.61 (599.8) | 31.9 (810.3) | 8.29 (210.5) 35.1% |
| Width inches (mm) | 4.72 (120) | 8.86 (225) | 4.13 (105) 87.5% |
| Circum. inches (mm) | 74.19 (1884.33) | 100.22 (2545.63) | 26.04 (661.31) 35.1% |
| Sidewall Height inches (mm) | 3.31 (84) | 6.2 (157.5) | 2.89 (73.5) 87.5% |
| Revolutions per mile (km) | 854.07 (530.69) | 632.2 (392.83) | -221.87 (-137.86) -26% |
225/70-19.5 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.02 mph (43.48 km/h) |
| 25 mph (40.23 km/h) | 33.77 mph (54.35 km/h) |
| 30 mph (48.28 km/h) | 40.53 mph (65.22 km/h) |
| 35 mph (56.33 km/h) | 47.28 mph (76.1 km/h) |
| 40 mph (64.37 km/h) | 54.04 mph (86.97 km/h) |
| 45 mph (72.42 km/h) | 60.79 mph (97.84 km/h) |
| 50 mph (80.47 km/h) | 67.55 mph (108.71 km/h) |
| 55 mph (88.51 km/h) | 74.3 mph (119.58 km/h) |
| 60 mph (96.56 km/h) | 81.06 mph (130.45 km/h) |
| 65 mph (104.61 km/h) | 87.81 mph (141.32 km/h) |
| 70 mph (112.65 km/h) | 94.57 mph (152.19 km/h) |
| 75 mph (120.7 km/h) | 101.32 mph (163.06 km/h) |
| 80 mph (128.75 km/h) | 108.08 mph (173.93 km/h) |
| 85 mph (136.79 km/h) | 114.83 mph (184.8 km/h) |
| 90 mph (144.84 km/h) | 121.59 mph (195.67 km/h) |
| 95 mph (152.89 km/h) | 128.34 mph (206.54 km/h) |
| 100 mph (160.93 km/h) | 135.1 mph (217.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1609 | 1869 | 2013 | 2102 | 2198 | 2266 | 2341 | 2430 | 2554 | 2677 | 2814 | 2923 | 3122 | 3341 | 3512 | 3622 | 3683 | 3909 | 4224 | 4909 |
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