Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 35/12-18 | 305/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.05 (890.3) | 34.81 (884.2) | -0.24 (-6.1) -0.7% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 110.12 (2796.96) | 109.36 (2777.8) | -0.75 (-19.16) -0.7% |
| Sidewall Height inches (mm) | 8.53 (216.55) | 8.41 (213.5) | -0.12 (-3.05) -1.4% |
| Revolutions per mile (km) | 575.39 (357.53) | 579.36 (360) | 3.97 (2.47) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.86 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.96 km/h) |
| 30 mph (48.28 km/h) | 29.79 mph (47.95 km/h) |
| 35 mph (56.33 km/h) | 34.76 mph (55.94 km/h) |
| 40 mph (64.37 km/h) | 39.73 mph (63.93 km/h) |
| 45 mph (72.42 km/h) | 44.69 mph (71.92 km/h) |
| 50 mph (80.47 km/h) | 49.66 mph (79.92 km/h) |
| 55 mph (88.51 km/h) | 54.62 mph (87.91 km/h) |
| 60 mph (96.56 km/h) | 59.59 mph (95.9 km/h) |
| 65 mph (104.61 km/h) | 64.55 mph (103.89 km/h) |
| 70 mph (112.65 km/h) | 69.52 mph (111.88 km/h) |
| 75 mph (120.7 km/h) | 74.49 mph (119.87 km/h) |
| 80 mph (128.75 km/h) | 79.45 mph (127.87 km/h) |
| 85 mph (136.79 km/h) | 84.42 mph (135.86 km/h) |
| 90 mph (144.84 km/h) | 89.38 mph (143.85 km/h) |
| 95 mph (152.89 km/h) | 94.35 mph (151.84 km/h) |
| 100 mph (160.93 km/h) | 99.31 mph (159.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1474 | 1713 | 1845 | 1926 | 2014 | 2077 | 2146 | 2227 | 2340 | 2453 | 2579 | 2679 | 2861 | 3062 | 3218 | 3319 | 3375 | 3582 | 3871 | 4498 |
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