Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-15 | 225/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 27.4 (696) | 2.66 (67.5) 10.7% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 77.74 (1974.49) | 86.08 (2186.55) | 8.35 (212.06) 10.7% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.2 (157.5) | 1.33 (33.75) 27.3% |
| Revolutions per mile (km) | 815.07 (506.46) | 736.02 (457.34) | -79.05 (-49.12) -9.7% |
225/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.15 mph (35.64 km/h) |
| 25 mph (40.23 km/h) | 27.68 mph (44.55 km/h) |
| 30 mph (48.28 km/h) | 33.22 mph (53.47 km/h) |
| 35 mph (56.33 km/h) | 38.76 mph (62.38 km/h) |
| 40 mph (64.37 km/h) | 44.3 mph (71.29 km/h) |
| 45 mph (72.42 km/h) | 49.83 mph (80.2 km/h) |
| 50 mph (80.47 km/h) | 55.37 mph (89.11 km/h) |
| 55 mph (88.51 km/h) | 60.91 mph (98.02 km/h) |
| 60 mph (96.56 km/h) | 66.44 mph (106.93 km/h) |
| 65 mph (104.61 km/h) | 71.98 mph (115.84 km/h) |
| 70 mph (112.65 km/h) | 77.52 mph (124.75 km/h) |
| 75 mph (120.7 km/h) | 83.05 mph (133.66 km/h) |
| 80 mph (128.75 km/h) | 88.59 mph (142.58 km/h) |
| 85 mph (136.79 km/h) | 94.13 mph (151.49 km/h) |
| 90 mph (144.84 km/h) | 99.67 mph (160.4 km/h) |
| 95 mph (152.89 km/h) | 105.2 mph (169.31 km/h) |
| 100 mph (160.93 km/h) | 110.74 mph (178.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1873 | 2176 | 2343 | 2447 | 2558 | 2638 | 2726 | 2829 | 2973 | 3116 | 3276 | 3403 | 3634 | 3890 | 4089 | 4216 | 4288 | 4551 | 4918 | 5715 |
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