Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-16 | 225/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.77 (578.4) | 23.97 (608.9) | 1.2 (30.5) 5.3% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 71.54 (1817.1) | 75.31 (1912.92) | 3.77 (95.82) 5.3% |
| Sidewall Height inches (mm) | 3.39 (86) | 3.99 (101.25) | 0.6 (15.25) 17.7% |
| Revolutions per mile (km) | 885.67 (550.33) | 841.3 (522.76) | -44.36 (-27.57) -5% |
225/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.05 mph (33.88 km/h) |
| 25 mph (40.23 km/h) | 26.32 mph (42.36 km/h) |
| 30 mph (48.28 km/h) | 31.58 mph (50.83 km/h) |
| 35 mph (56.33 km/h) | 36.85 mph (59.3 km/h) |
| 40 mph (64.37 km/h) | 42.11 mph (67.77 km/h) |
| 45 mph (72.42 km/h) | 47.37 mph (76.24 km/h) |
| 50 mph (80.47 km/h) | 52.64 mph (84.71 km/h) |
| 55 mph (88.51 km/h) | 57.9 mph (93.18 km/h) |
| 60 mph (96.56 km/h) | 63.16 mph (101.65 km/h) |
| 65 mph (104.61 km/h) | 68.43 mph (110.12 km/h) |
| 70 mph (112.65 km/h) | 73.69 mph (118.59 km/h) |
| 75 mph (120.7 km/h) | 78.95 mph (127.07 km/h) |
| 80 mph (128.75 km/h) | 84.22 mph (135.54 km/h) |
| 85 mph (136.79 km/h) | 89.48 mph (144.01 km/h) |
| 90 mph (144.84 km/h) | 94.75 mph (152.48 km/h) |
| 95 mph (152.89 km/h) | 100.01 mph (160.95 km/h) |
| 100 mph (160.93 km/h) | 105.27 mph (169.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2141 | 2487 | 2678 | 2797 | 2924 | 3016 | 3116 | 3234 | 3398 | 3562 | 3744 | 3890 | 4154 | 4446 | 4674 | 4819 | 4901 | 5202 | 5621 | 6532 |
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