Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/30-20 | 225/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.31 (643) | 29.29 (743.9) | 3.97 (100.9) 15.7% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 79.53 (2020.04) | 92.01 (2337.03) | 12.48 (316.99) 15.7% |
| Sidewall Height inches (mm) | 2.66 (67.5) | 6.64 (168.75) | 3.99 (101.25) 150% |
| Revolutions per mile (km) | 796.69 (495.04) | 688.63 (427.89) | -108.06 (-67.15) -13.6% |
225/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.14 mph (37.24 km/h) |
| 25 mph (40.23 km/h) | 28.92 mph (46.55 km/h) |
| 30 mph (48.28 km/h) | 34.71 mph (55.86 km/h) |
| 35 mph (56.33 km/h) | 40.49 mph (65.17 km/h) |
| 40 mph (64.37 km/h) | 46.28 mph (74.48 km/h) |
| 45 mph (72.42 km/h) | 52.06 mph (83.78 km/h) |
| 50 mph (80.47 km/h) | 57.85 mph (93.09 km/h) |
| 55 mph (88.51 km/h) | 63.63 mph (102.4 km/h) |
| 60 mph (96.56 km/h) | 69.42 mph (111.71 km/h) |
| 65 mph (104.61 km/h) | 75.2 mph (121.02 km/h) |
| 70 mph (112.65 km/h) | 80.98 mph (130.33 km/h) |
| 75 mph (120.7 km/h) | 86.77 mph (139.64 km/h) |
| 80 mph (128.75 km/h) | 92.55 mph (148.95 km/h) |
| 85 mph (136.79 km/h) | 98.34 mph (158.26 km/h) |
| 90 mph (144.84 km/h) | 104.12 mph (167.57 km/h) |
| 95 mph (152.89 km/h) | 109.91 mph (176.88 km/h) |
| 100 mph (160.93 km/h) | 115.69 mph (186.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1752 | 2036 | 2192 | 2289 | 2394 | 2468 | 2550 | 2647 | 2782 | 2916 | 3065 | 3184 | 3400 | 3639 | 3826 | 3945 | 4012 | 4258 | 4601 | 5347 |
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