Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-18 | 200/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 29.81 (757.2) | 5.2 (132) 21.1% |
| Width inches (mm) | 5.51 (140) | 7.87 (200) | 2.36 (60) 42.9% |
| Circum. inches (mm) | 77.33 (1964.12) | 93.65 (2378.81) | 16.33 (414.69) 21.1% |
| Sidewall Height inches (mm) | 3.31 (84) | 5.91 (150) | 2.6 (66) 78.6% |
| Revolutions per mile (km) | 819.37 (509.13) | 676.53 (420.38) | -142.84 (-88.76) -17.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.22 mph (38.98 km/h) |
| 25 mph (40.23 km/h) | 30.28 mph (48.73 km/h) |
| 30 mph (48.28 km/h) | 36.33 mph (58.47 km/h) |
| 35 mph (56.33 km/h) | 42.39 mph (68.22 km/h) |
| 40 mph (64.37 km/h) | 48.45 mph (77.97 km/h) |
| 45 mph (72.42 km/h) | 54.5 mph (87.71 km/h) |
| 50 mph (80.47 km/h) | 60.56 mph (97.46 km/h) |
| 55 mph (88.51 km/h) | 66.61 mph (107.2 km/h) |
| 60 mph (96.56 km/h) | 72.67 mph (116.95 km/h) |
| 65 mph (104.61 km/h) | 78.72 mph (126.69 km/h) |
| 70 mph (112.65 km/h) | 84.78 mph (136.44 km/h) |
| 75 mph (120.7 km/h) | 90.83 mph (146.18 km/h) |
| 80 mph (128.75 km/h) | 96.89 mph (155.93 km/h) |
| 85 mph (136.79 km/h) | 102.95 mph (165.68 km/h) |
| 90 mph (144.84 km/h) | 109 mph (175.42 km/h) |
| 95 mph (152.89 km/h) | 115.06 mph (185.17 km/h) |
| 100 mph (160.93 km/h) | 121.11 mph (194.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1722 | 2000 | 2154 | 2249 | 2352 | 2425 | 2506 | 2601 | 2733 | 2865 | 3011 | 3128 | 3341 | 3575 | 3758 | 3876 | 3941 | 4183 | 4520 | 5253 |
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