Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-18 | 225/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.74 (704.7) | 26.97 (685.1) | -0.77 (-19.6) -2.8% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 87.16 (2213.88) | 84.74 (2152.31) | -2.42 (-61.58) -2.8% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 3.99 (101.25) | -0.89 (-22.5) -18.2% |
| Revolutions per mile (km) | 726.93 (451.69) | 747.73 (464.62) | 20.8 (12.92) 2.9% |
225/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.44 mph (31.29 km/h) |
| 25 mph (40.23 km/h) | 24.3 mph (39.11 km/h) |
| 30 mph (48.28 km/h) | 29.17 mph (46.94 km/h) |
| 35 mph (56.33 km/h) | 34.03 mph (54.76 km/h) |
| 40 mph (64.37 km/h) | 38.89 mph (62.58 km/h) |
| 45 mph (72.42 km/h) | 43.75 mph (70.41 km/h) |
| 50 mph (80.47 km/h) | 48.61 mph (78.23 km/h) |
| 55 mph (88.51 km/h) | 53.47 mph (86.05 km/h) |
| 60 mph (96.56 km/h) | 58.33 mph (93.88 km/h) |
| 65 mph (104.61 km/h) | 63.19 mph (101.7 km/h) |
| 70 mph (112.65 km/h) | 68.05 mph (109.52 km/h) |
| 75 mph (120.7 km/h) | 72.91 mph (117.34 km/h) |
| 80 mph (128.75 km/h) | 77.77 mph (125.17 km/h) |
| 85 mph (136.79 km/h) | 82.64 mph (132.99 km/h) |
| 90 mph (144.84 km/h) | 87.5 mph (140.81 km/h) |
| 95 mph (152.89 km/h) | 92.36 mph (148.64 km/h) |
| 100 mph (160.93 km/h) | 97.22 mph (156.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2211 | 2381 | 2486 | 2599 | 2680 | 2769 | 2874 | 3020 | 3166 | 3328 | 3457 | 3692 | 3951 | 4154 | 4283 | 4356 | 4623 | 4996 | 5806 |
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