Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/70-14 | 225/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.2 (614.6) | 25.74 (653.9) | 1.55 (39.3) 6.4% |
| Width inches (mm) | 7.28 (185) | 8.86 (225) | 1.57 (40) 21.6% |
| Circum. inches (mm) | 76.02 (1930.82) | 80.88 (2054.29) | 4.86 (123.46) 6.4% |
| Sidewall Height inches (mm) | 5.1 (129.5) | 4.87 (123.75) | -0.23 (-5.75) -4.4% |
| Revolutions per mile (km) | 833.5 (517.91) | 783.41 (486.79) | -50.09 (-31.13) -6% |
225/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.28 mph (34.25 km/h) |
| 25 mph (40.23 km/h) | 26.6 mph (42.81 km/h) |
| 30 mph (48.28 km/h) | 31.92 mph (51.37 km/h) |
| 35 mph (56.33 km/h) | 37.24 mph (59.93 km/h) |
| 40 mph (64.37 km/h) | 42.56 mph (68.49 km/h) |
| 45 mph (72.42 km/h) | 47.88 mph (77.05 km/h) |
| 50 mph (80.47 km/h) | 53.2 mph (85.61 km/h) |
| 55 mph (88.51 km/h) | 58.52 mph (94.17 km/h) |
| 60 mph (96.56 km/h) | 63.84 mph (102.74 km/h) |
| 65 mph (104.61 km/h) | 69.16 mph (111.3 km/h) |
| 70 mph (112.65 km/h) | 74.48 mph (119.86 km/h) |
| 75 mph (120.7 km/h) | 79.8 mph (128.42 km/h) |
| 80 mph (128.75 km/h) | 85.12 mph (136.98 km/h) |
| 85 mph (136.79 km/h) | 90.44 mph (145.54 km/h) |
| 90 mph (144.84 km/h) | 95.75 mph (154.1 km/h) |
| 95 mph (152.89 km/h) | 101.07 mph (162.66 km/h) |
| 100 mph (160.93 km/h) | 106.39 mph (171.23 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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