Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-18 | 225/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.99 (660.2) | 27.63 (701.8) | 1.64 (41.6) 6.3% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 81.66 (2074.08) | 86.8 (2204.77) | 5.15 (130.69) 6.3% |
| Sidewall Height inches (mm) | 4 (101.5) | 5.31 (135) | 1.32 (33.5) 33% |
| Revolutions per mile (km) | 775.93 (482.14) | 729.94 (453.56) | -45.99 (-28.58) -5.9% |
225/60-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.26 mph (34.22 km/h) |
| 25 mph (40.23 km/h) | 26.58 mph (42.77 km/h) |
| 30 mph (48.28 km/h) | 31.89 mph (51.32 km/h) |
| 35 mph (56.33 km/h) | 37.21 mph (59.88 km/h) |
| 40 mph (64.37 km/h) | 42.52 mph (68.43 km/h) |
| 45 mph (72.42 km/h) | 47.84 mph (76.98 km/h) |
| 50 mph (80.47 km/h) | 53.15 mph (85.54 km/h) |
| 55 mph (88.51 km/h) | 58.47 mph (94.09 km/h) |
| 60 mph (96.56 km/h) | 63.78 mph (102.65 km/h) |
| 65 mph (104.61 km/h) | 69.1 mph (111.2 km/h) |
| 70 mph (112.65 km/h) | 74.41 mph (119.75 km/h) |
| 75 mph (120.7 km/h) | 79.73 mph (128.31 km/h) |
| 80 mph (128.75 km/h) | 85.04 mph (136.86 km/h) |
| 85 mph (136.79 km/h) | 90.36 mph (145.41 km/h) |
| 90 mph (144.84 km/h) | 95.67 mph (153.97 km/h) |
| 95 mph (152.89 km/h) | 100.99 mph (162.52 km/h) |
| 100 mph (160.93 km/h) | 106.3 mph (171.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1858 | 2158 | 2324 | 2427 | 2537 | 2616 | 2703 | 2806 | 2948 | 3091 | 3249 | 3375 | 3604 | 3857 | 4055 | 4181 | 4253 | 4513 | 4877 | 5668 |
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