Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-21 | 225/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.97 (735.9) | 28.74 (730.1) | -0.23 (-5.8) -0.8% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 91.02 (2311.9) | 90.3 (2293.68) | -0.72 (-18.22) -0.8% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.87 (123.75) | 0.89 (22.5) 22.2% |
| Revolutions per mile (km) | 696.11 (432.54) | 701.64 (435.98) | 5.53 (3.44) 0.8% |
225/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.84 mph (31.93 km/h) |
| 25 mph (40.23 km/h) | 24.8 mph (39.92 km/h) |
| 30 mph (48.28 km/h) | 29.76 mph (47.9 km/h) |
| 35 mph (56.33 km/h) | 34.72 mph (55.88 km/h) |
| 40 mph (64.37 km/h) | 39.68 mph (63.87 km/h) |
| 45 mph (72.42 km/h) | 44.65 mph (71.85 km/h) |
| 50 mph (80.47 km/h) | 49.61 mph (79.83 km/h) |
| 55 mph (88.51 km/h) | 54.57 mph (87.82 km/h) |
| 60 mph (96.56 km/h) | 59.53 mph (95.8 km/h) |
| 65 mph (104.61 km/h) | 64.49 mph (103.78 km/h) |
| 70 mph (112.65 km/h) | 69.45 mph (111.77 km/h) |
| 75 mph (120.7 km/h) | 74.41 mph (119.75 km/h) |
| 80 mph (128.75 km/h) | 79.37 mph (127.73 km/h) |
| 85 mph (136.79 km/h) | 84.33 mph (135.72 km/h) |
| 90 mph (144.84 km/h) | 89.29 mph (143.7 km/h) |
| 95 mph (152.89 km/h) | 94.25 mph (151.68 km/h) |
| 100 mph (160.93 km/h) | 99.21 mph (159.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1786 | 2074 | 2234 | 2333 | 2439 | 2515 | 2599 | 2697 | 2834 | 2971 | 3123 | 3244 | 3465 | 3708 | 3898 | 4019 | 4088 | 4339 | 4688 | 5448 |
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