Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/50-18 | 225/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.25 (692.2) | 27.52 (698.9) | 0.26 (6.7) 1% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 85.61 (2174.61) | 86.44 (2195.66) | 0.83 (21.05) 1% |
| Sidewall Height inches (mm) | 4.63 (117.5) | 5.76 (146.25) | 1.13 (28.75) 24.5% |
| Revolutions per mile (km) | 740.06 (459.85) | 732.97 (455.44) | -7.09 (-4.41) -1% |
225/65-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.62 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.75 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.87 km/h) |
| 40 mph (64.37 km/h) | 40.39 mph (65 km/h) |
| 45 mph (72.42 km/h) | 45.44 mph (73.12 km/h) |
| 50 mph (80.47 km/h) | 50.48 mph (81.25 km/h) |
| 55 mph (88.51 km/h) | 55.53 mph (89.37 km/h) |
| 60 mph (96.56 km/h) | 60.58 mph (97.5 km/h) |
| 65 mph (104.61 km/h) | 65.63 mph (105.62 km/h) |
| 70 mph (112.65 km/h) | 70.68 mph (113.74 km/h) |
| 75 mph (120.7 km/h) | 75.73 mph (121.87 km/h) |
| 80 mph (128.75 km/h) | 80.77 mph (129.99 km/h) |
| 85 mph (136.79 km/h) | 85.82 mph (138.12 km/h) |
| 90 mph (144.84 km/h) | 90.87 mph (146.24 km/h) |
| 95 mph (152.89 km/h) | 95.92 mph (154.37 km/h) |
| 100 mph (160.93 km/h) | 100.97 mph (162.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1865 | 2167 | 2334 | 2437 | 2548 | 2627 | 2715 | 2818 | 2961 | 3103 | 3262 | 3389 | 3619 | 3873 | 4072 | 4199 | 4270 | 4532 | 4897 | 5691 |
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