Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 275/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 35.32 (897.2) | 9.45 (240) 36.5% |
| Width inches (mm) | 7.87 (200) | 10.83 (275) | 2.95 (75) 37.5% |
| Circum. inches (mm) | 81.29 (2064.65) | 110.97 (2818.64) | 29.68 (753.98) 36.5% |
| Sidewall Height inches (mm) | 3.94 (100) | 8.66 (220) | 4.72 (120) 120% |
| Revolutions per mile (km) | 779.47 (484.34) | 570.97 (354.78) | -208.51 (-129.56) -26.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.3 mph (43.94 km/h) |
| 25 mph (40.23 km/h) | 34.13 mph (54.93 km/h) |
| 30 mph (48.28 km/h) | 40.96 mph (65.91 km/h) |
| 35 mph (56.33 km/h) | 47.78 mph (76.9 km/h) |
| 40 mph (64.37 km/h) | 54.61 mph (87.88 km/h) |
| 45 mph (72.42 km/h) | 61.43 mph (98.87 km/h) |
| 50 mph (80.47 km/h) | 68.26 mph (109.85 km/h) |
| 55 mph (88.51 km/h) | 75.09 mph (120.84 km/h) |
| 60 mph (96.56 km/h) | 81.91 mph (131.82 km/h) |
| 65 mph (104.61 km/h) | 88.74 mph (142.81 km/h) |
| 70 mph (112.65 km/h) | 95.56 mph (153.79 km/h) |
| 75 mph (120.7 km/h) | 102.39 mph (164.78 km/h) |
| 80 mph (128.75 km/h) | 109.21 mph (175.76 km/h) |
| 85 mph (136.79 km/h) | 116.04 mph (186.75 km/h) |
| 90 mph (144.84 km/h) | 122.87 mph (197.74 km/h) |
| 95 mph (152.89 km/h) | 129.69 mph (208.72 km/h) |
| 100 mph (160.93 km/h) | 136.52 mph (219.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1453 | 1688 | 1818 | 1898 | 1985 | 2047 | 2115 | 2195 | 2306 | 2418 | 2541 | 2640 | 2819 | 3017 | 3172 | 3271 | 3326 | 3530 | 3815 | 4433 |
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