Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-18 | 225/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.74 (704.7) | 25.74 (653.9) | -2 (-50.8) -7.2% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 87.16 (2213.88) | 80.88 (2054.29) | -6.28 (-159.59) -7.2% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.87 (123.75) | 0 (0) 0% |
| Revolutions per mile (km) | 726.93 (451.69) | 783.41 (486.79) | 56.47 (35.09) 7.8% |
225/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.56 mph (29.87 km/h) |
| 25 mph (40.23 km/h) | 23.2 mph (37.33 km/h) |
| 30 mph (48.28 km/h) | 27.84 mph (44.8 km/h) |
| 35 mph (56.33 km/h) | 32.48 mph (52.27 km/h) |
| 40 mph (64.37 km/h) | 37.12 mph (59.73 km/h) |
| 45 mph (72.42 km/h) | 41.76 mph (67.2 km/h) |
| 50 mph (80.47 km/h) | 46.4 mph (74.67 km/h) |
| 55 mph (88.51 km/h) | 51.04 mph (82.13 km/h) |
| 60 mph (96.56 km/h) | 55.67 mph (89.6 km/h) |
| 65 mph (104.61 km/h) | 60.31 mph (97.07 km/h) |
| 70 mph (112.65 km/h) | 64.95 mph (104.53 km/h) |
| 75 mph (120.7 km/h) | 69.59 mph (112 km/h) |
| 80 mph (128.75 km/h) | 74.23 mph (119.47 km/h) |
| 85 mph (136.79 km/h) | 78.87 mph (126.93 km/h) |
| 90 mph (144.84 km/h) | 83.51 mph (134.4 km/h) |
| 95 mph (152.89 km/h) | 88.15 mph (141.87 km/h) |
| 100 mph (160.93 km/h) | 92.79 mph (149.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1994 | 2316 | 2494 | 2604 | 2723 | 2808 | 2901 | 3012 | 3164 | 3317 | 3487 | 3622 | 3868 | 4140 | 4352 | 4488 | 4564 | 4844 | 5234 | 6083 |
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