Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/65-18 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.56 (801.7) | 35.02 (889.6) | 3.46 (87.9) 11% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 99.16 (2518.61) | 110.03 (2794.76) | 10.87 (276.15) 11% |
| Sidewall Height inches (mm) | 6.78 (172.25) | 7.51 (190.8) | 0.73 (18.55) 10.8% |
| Revolutions per mile (km) | 638.98 (397.04) | 575.84 (357.81) | -63.14 (-39.23) -9.9% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.19 mph (35.72 km/h) |
| 25 mph (40.23 km/h) | 27.74 mph (44.64 km/h) |
| 30 mph (48.28 km/h) | 33.29 mph (53.57 km/h) |
| 35 mph (56.33 km/h) | 38.84 mph (62.5 km/h) |
| 40 mph (64.37 km/h) | 44.39 mph (71.43 km/h) |
| 45 mph (72.42 km/h) | 49.93 mph (80.36 km/h) |
| 50 mph (80.47 km/h) | 55.48 mph (89.29 km/h) |
| 55 mph (88.51 km/h) | 61.03 mph (98.22 km/h) |
| 60 mph (96.56 km/h) | 66.58 mph (107.15 km/h) |
| 65 mph (104.61 km/h) | 72.13 mph (116.08 km/h) |
| 70 mph (112.65 km/h) | 77.67 mph (125.01 km/h) |
| 75 mph (120.7 km/h) | 83.22 mph (133.93 km/h) |
| 80 mph (128.75 km/h) | 88.77 mph (142.86 km/h) |
| 85 mph (136.79 km/h) | 94.32 mph (151.79 km/h) |
| 90 mph (144.84 km/h) | 99.87 mph (160.72 km/h) |
| 95 mph (152.89 km/h) | 105.42 mph (169.65 km/h) |
| 100 mph (160.93 km/h) | 110.96 mph (178.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2002 | 2064 | 2133 | 2214 | 2326 | 2438 | 2563 | 2663 | 2844 | 3043 | 3199 | 3299 | 3355 | 3561 | 3847 | 4471 |
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