Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-14 | 225/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.6) | 23.97 (608.9) | 2.89 (73.3) 13.7% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 66.25 (1682.64) | 75.31 (1912.92) | 9.07 (230.28) 13.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.99 (101.25) | 0.44 (11.25) 12.5% |
| Revolutions per mile (km) | 956.44 (594.3) | 841.3 (522.76) | -115.14 (-71.54) -12% |
225/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.74 mph (36.59 km/h) |
| 25 mph (40.23 km/h) | 28.42 mph (45.74 km/h) |
| 30 mph (48.28 km/h) | 34.11 mph (54.89 km/h) |
| 35 mph (56.33 km/h) | 39.79 mph (64.04 km/h) |
| 40 mph (64.37 km/h) | 45.47 mph (73.18 km/h) |
| 45 mph (72.42 km/h) | 51.16 mph (82.33 km/h) |
| 50 mph (80.47 km/h) | 56.84 mph (91.48 km/h) |
| 55 mph (88.51 km/h) | 62.53 mph (100.63 km/h) |
| 60 mph (96.56 km/h) | 68.21 mph (109.78 km/h) |
| 65 mph (104.61 km/h) | 73.9 mph (118.92 km/h) |
| 70 mph (112.65 km/h) | 79.58 mph (128.07 km/h) |
| 75 mph (120.7 km/h) | 85.26 mph (137.22 km/h) |
| 80 mph (128.75 km/h) | 90.95 mph (146.37 km/h) |
| 85 mph (136.79 km/h) | 96.63 mph (155.52 km/h) |
| 90 mph (144.84 km/h) | 102.32 mph (164.66 km/h) |
| 95 mph (152.89 km/h) | 108 mph (173.81 km/h) |
| 100 mph (160.93 km/h) | 113.69 mph (182.96 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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