Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/70-18 | 295/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.92 (709.2) | 35.42 (899.7) | 7.5 (190.5) 26.9% |
| Width inches (mm) | 7.09 (180) | 11.61 (295) | 4.53 (115) 63.9% |
| Circum. inches (mm) | 87.72 (2228.02) | 111.28 (2826.49) | 23.56 (598.47) 26.9% |
| Sidewall Height inches (mm) | 4.96 (126) | 8.71 (221.25) | 3.75 (95.25) 75.6% |
| Revolutions per mile (km) | 722.32 (448.83) | 569.38 (353.79) | -152.94 (-95.03) -21.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.37 mph (40.83 km/h) |
| 25 mph (40.23 km/h) | 31.72 mph (51.04 km/h) |
| 30 mph (48.28 km/h) | 38.06 mph (61.25 km/h) |
| 35 mph (56.33 km/h) | 44.4 mph (71.46 km/h) |
| 40 mph (64.37 km/h) | 50.74 mph (81.67 km/h) |
| 45 mph (72.42 km/h) | 57.09 mph (91.87 km/h) |
| 50 mph (80.47 km/h) | 63.43 mph (102.08 km/h) |
| 55 mph (88.51 km/h) | 69.77 mph (112.29 km/h) |
| 60 mph (96.56 km/h) | 76.12 mph (122.5 km/h) |
| 65 mph (104.61 km/h) | 82.46 mph (132.71 km/h) |
| 70 mph (112.65 km/h) | 88.8 mph (142.91 km/h) |
| 75 mph (120.7 km/h) | 95.15 mph (153.12 km/h) |
| 80 mph (128.75 km/h) | 101.49 mph (163.33 km/h) |
| 85 mph (136.79 km/h) | 107.83 mph (173.54 km/h) |
| 90 mph (144.84 km/h) | 114.18 mph (183.75 km/h) |
| 95 mph (152.89 km/h) | 120.52 mph (193.96 km/h) |
| 100 mph (160.93 km/h) | 126.86 mph (204.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1449 | 1683 | 1813 | 1893 | 1979 | 2041 | 2109 | 2189 | 2300 | 2411 | 2534 | 2633 | 2812 | 3009 | 3163 | 3262 | 3317 | 3521 | 3804 | 4421 |
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