Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 38/15.5-20 | 335/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.99 (965.04) | 38.46 (977) | 0.47 (11.96) 1.2% |
| Width inches (mm) | 15.51 (394) | 13.19 (335) | -2.32 (-59) -15% |
| Circum. inches (mm) | 119.36 (3031.76) | 120.84 (3069.34) | 1.48 (37.57) 1.2% |
| Sidewall Height inches (mm) | 9 (228.52) | 9.23 (234.5) | 0.24 (5.98) 2.6% |
| Revolutions per mile (km) | 530.83 (329.84) | 524.33 (325.8) | -6.5 (-4.04) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.25 mph (32.59 km/h) |
| 25 mph (40.23 km/h) | 25.31 mph (40.73 km/h) |
| 30 mph (48.28 km/h) | 30.37 mph (48.88 km/h) |
| 35 mph (56.33 km/h) | 35.43 mph (57.03 km/h) |
| 40 mph (64.37 km/h) | 40.5 mph (65.17 km/h) |
| 45 mph (72.42 km/h) | 45.56 mph (73.32 km/h) |
| 50 mph (80.47 km/h) | 50.62 mph (81.46 km/h) |
| 55 mph (88.51 km/h) | 55.68 mph (89.61 km/h) |
| 60 mph (96.56 km/h) | 60.74 mph (97.76 km/h) |
| 65 mph (104.61 km/h) | 65.81 mph (105.9 km/h) |
| 70 mph (112.65 km/h) | 70.87 mph (114.05 km/h) |
| 75 mph (120.7 km/h) | 75.93 mph (122.2 km/h) |
| 80 mph (128.75 km/h) | 80.99 mph (130.34 km/h) |
| 85 mph (136.79 km/h) | 86.05 mph (138.49 km/h) |
| 90 mph (144.84 km/h) | 91.12 mph (146.64 km/h) |
| 95 mph (152.89 km/h) | 96.18 mph (154.78 km/h) |
| 100 mph (160.93 km/h) | 101.24 mph (162.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1334 | 1550 | 1669 | 1743 | 1823 | 1879 | 1942 | 2016 | 2118 | 2220 | 2334 | 2424 | 2589 | 2771 | 2913 | 3004 | 3055 | 3242 | 3503 | 4071 |
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