Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-16 | 225/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.14 (562.4) | 23.97 (608.9) | 1.83 (46.5) 8.3% |
| Width inches (mm) | 7.68 (195) | 8.86 (225) | 1.18 (30) 15.4% |
| Circum. inches (mm) | 69.56 (1766.83) | 75.31 (1912.92) | 5.75 (146.08) 8.3% |
| Sidewall Height inches (mm) | 3.07 (78) | 3.99 (101.25) | 0.92 (23.25) 29.8% |
| Revolutions per mile (km) | 910.86 (565.98) | 841.3 (522.76) | -69.56 (-43.22) -7.6% |
225/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.65 mph (34.85 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.56 km/h) |
| 30 mph (48.28 km/h) | 32.48 mph (52.27 km/h) |
| 35 mph (56.33 km/h) | 37.89 mph (60.98 km/h) |
| 40 mph (64.37 km/h) | 43.31 mph (69.7 km/h) |
| 45 mph (72.42 km/h) | 48.72 mph (78.41 km/h) |
| 50 mph (80.47 km/h) | 54.13 mph (87.12 km/h) |
| 55 mph (88.51 km/h) | 59.55 mph (95.83 km/h) |
| 60 mph (96.56 km/h) | 64.96 mph (104.54 km/h) |
| 65 mph (104.61 km/h) | 70.37 mph (113.26 km/h) |
| 70 mph (112.65 km/h) | 75.79 mph (121.97 km/h) |
| 75 mph (120.7 km/h) | 81.2 mph (130.68 km/h) |
| 80 mph (128.75 km/h) | 86.61 mph (139.39 km/h) |
| 85 mph (136.79 km/h) | 92.03 mph (148.1 km/h) |
| 90 mph (144.84 km/h) | 97.44 mph (156.82 km/h) |
| 95 mph (152.89 km/h) | 102.85 mph (165.53 km/h) |
| 100 mph (160.93 km/h) | 108.27 mph (174.24 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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