Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 38/15.5-20 | 295/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.99 (965.04) | 36.26 (921) | -1.73 (-44.04) -4.6% |
| Width inches (mm) | 15.51 (394) | 11.61 (295) | -3.9 (-99) -25.1% |
| Circum. inches (mm) | 119.36 (3031.76) | 113.91 (2893.41) | -5.45 (-138.36) -4.6% |
| Sidewall Height inches (mm) | 9 (228.52) | 8.13 (206.5) | -0.87 (-22.02) -9.6% |
| Revolutions per mile (km) | 530.83 (329.84) | 556.21 (345.61) | 25.38 (15.77) 4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.09 mph (30.72 km/h) |
| 25 mph (40.23 km/h) | 23.86 mph (38.4 km/h) |
| 30 mph (48.28 km/h) | 28.63 mph (46.08 km/h) |
| 35 mph (56.33 km/h) | 33.4 mph (53.76 km/h) |
| 40 mph (64.37 km/h) | 38.17 mph (61.44 km/h) |
| 45 mph (72.42 km/h) | 42.95 mph (69.12 km/h) |
| 50 mph (80.47 km/h) | 47.72 mph (76.8 km/h) |
| 55 mph (88.51 km/h) | 52.49 mph (84.47 km/h) |
| 60 mph (96.56 km/h) | 57.26 mph (92.15 km/h) |
| 65 mph (104.61 km/h) | 62.03 mph (99.83 km/h) |
| 70 mph (112.65 km/h) | 66.81 mph (107.51 km/h) |
| 75 mph (120.7 km/h) | 71.58 mph (115.19 km/h) |
| 80 mph (128.75 km/h) | 76.35 mph (122.87 km/h) |
| 85 mph (136.79 km/h) | 81.12 mph (130.55 km/h) |
| 90 mph (144.84 km/h) | 85.89 mph (138.23 km/h) |
| 95 mph (152.89 km/h) | 90.66 mph (145.91 km/h) |
| 100 mph (160.93 km/h) | 95.44 mph (153.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1415 | 1644 | 1771 | 1849 | 1933 | 1994 | 2060 | 2138 | 2247 | 2355 | 2476 | 2572 | 2747 | 2939 | 3090 | 3186 | 3240 | 3439 | 3716 | 4319 |
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