Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-19 | 225/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.97 (685.1) | 26.09 (662.6) | -0.89 (-22.5) -3.3% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 84.74 (2152.31) | 81.95 (2081.62) | -2.78 (-70.69) -3.3% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 3.54 (90) | -0.44 (-11.25) -11.1% |
| Revolutions per mile (km) | 747.73 (464.62) | 773.12 (480.39) | 25.39 (15.78) 3.4% |
225/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.13 km/h) |
| 25 mph (40.23 km/h) | 24.18 mph (38.91 km/h) |
| 30 mph (48.28 km/h) | 29.01 mph (46.69 km/h) |
| 35 mph (56.33 km/h) | 33.85 mph (54.48 km/h) |
| 40 mph (64.37 km/h) | 38.69 mph (62.26 km/h) |
| 45 mph (72.42 km/h) | 43.52 mph (70.04 km/h) |
| 50 mph (80.47 km/h) | 48.36 mph (77.82 km/h) |
| 55 mph (88.51 km/h) | 53.19 mph (85.61 km/h) |
| 60 mph (96.56 km/h) | 58.03 mph (93.39 km/h) |
| 65 mph (104.61 km/h) | 62.87 mph (101.17 km/h) |
| 70 mph (112.65 km/h) | 67.7 mph (108.95 km/h) |
| 75 mph (120.7 km/h) | 72.54 mph (116.74 km/h) |
| 80 mph (128.75 km/h) | 77.37 mph (124.52 km/h) |
| 85 mph (136.79 km/h) | 82.21 mph (132.3 km/h) |
| 90 mph (144.84 km/h) | 87.04 mph (140.08 km/h) |
| 95 mph (152.89 km/h) | 91.88 mph (147.87 km/h) |
| 100 mph (160.93 km/h) | 96.72 mph (155.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2286 | 2461 | 2570 | 2687 | 2771 | 2863 | 2972 | 3123 | 3273 | 3441 | 3575 | 3818 | 4086 | 4295 | 4429 | 4504 | 4780 | 5166 | 6003 |
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