Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/50-18 | 225/50-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.25 (692.2) | 24.86 (631.4) | -2.39 (-60.8) -8.8% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 85.61 (2174.61) | 78.09 (1983.6) | -7.52 (-191.01) -8.8% |
| Sidewall Height inches (mm) | 4.63 (117.5) | 4.43 (112.5) | -0.2 (-5) -4.3% |
| Revolutions per mile (km) | 740.06 (459.85) | 811.32 (504.13) | 71.26 (44.28) 9.6% |
225/50-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.24 mph (29.36 km/h) |
| 25 mph (40.23 km/h) | 22.8 mph (36.7 km/h) |
| 30 mph (48.28 km/h) | 27.36 mph (44.04 km/h) |
| 35 mph (56.33 km/h) | 31.93 mph (51.38 km/h) |
| 40 mph (64.37 km/h) | 36.49 mph (58.72 km/h) |
| 45 mph (72.42 km/h) | 41.05 mph (66.06 km/h) |
| 50 mph (80.47 km/h) | 45.61 mph (73.4 km/h) |
| 55 mph (88.51 km/h) | 50.17 mph (80.74 km/h) |
| 60 mph (96.56 km/h) | 54.73 mph (88.08 km/h) |
| 65 mph (104.61 km/h) | 59.29 mph (95.42 km/h) |
| 70 mph (112.65 km/h) | 63.85 mph (102.76 km/h) |
| 75 mph (120.7 km/h) | 68.41 mph (110.1 km/h) |
| 80 mph (128.75 km/h) | 72.97 mph (117.44 km/h) |
| 85 mph (136.79 km/h) | 77.53 mph (124.78 km/h) |
| 90 mph (144.84 km/h) | 82.09 mph (132.12 km/h) |
| 95 mph (152.89 km/h) | 86.66 mph (139.46 km/h) |
| 100 mph (160.93 km/h) | 91.22 mph (146.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2065 | 2399 | 2583 | 2697 | 2820 | 2908 | 3005 | 3119 | 3277 | 3435 | 3611 | 3752 | 4006 | 4287 | 4507 | 4648 | 4727 | 5017 | 5421 | 6299 |
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