Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-15 | 255/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.92) | 33.07 (839.9) | 0.04 (0.98) 0.1% |
| Width inches (mm) | 12.52 (318) | 10.04 (255) | -2.48 (-63) -19.8% |
| Circum. inches (mm) | 103.76 (2635.54) | 103.88 (2638.62) | 0.12 (3.08) 0.1% |
| Sidewall Height inches (mm) | 9.01 (228.96) | 8.53 (216.75) | -0.48 (-12.21) -5.3% |
| Revolutions per mile (km) | 610.63 (379.43) | 609.92 (378.98) | -0.71 (-0.44) -0.1% |
255/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.02 mph (32.22 km/h) |
| 25 mph (40.23 km/h) | 25.03 mph (40.28 km/h) |
| 30 mph (48.28 km/h) | 30.04 mph (48.34 km/h) |
| 35 mph (56.33 km/h) | 35.04 mph (56.39 km/h) |
| 40 mph (64.37 km/h) | 40.05 mph (64.45 km/h) |
| 45 mph (72.42 km/h) | 45.05 mph (72.51 km/h) |
| 50 mph (80.47 km/h) | 50.06 mph (80.56 km/h) |
| 55 mph (88.51 km/h) | 55.06 mph (88.62 km/h) |
| 60 mph (96.56 km/h) | 60.07 mph (96.67 km/h) |
| 65 mph (104.61 km/h) | 65.08 mph (104.73 km/h) |
| 70 mph (112.65 km/h) | 70.08 mph (112.79 km/h) |
| 75 mph (120.7 km/h) | 75.09 mph (120.84 km/h) |
| 80 mph (128.75 km/h) | 80.09 mph (128.9 km/h) |
| 85 mph (136.79 km/h) | 85.1 mph (136.95 km/h) |
| 90 mph (144.84 km/h) | 90.11 mph (145.01 km/h) |
| 95 mph (152.89 km/h) | 95.11 mph (153.07 km/h) |
| 100 mph (160.93 km/h) | 100.12 mph (161.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1552 | 1803 | 1942 | 2028 | 2120 | 2186 | 2259 | 2345 | 2464 | 2582 | 2715 | 2820 | 3012 | 3223 | 3388 | 3494 | 3553 | 3771 | 4075 | 4736 |
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