Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 125/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 24.37 (618.9) | 0.51 (12.9) 2.1% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 74.95 (1903.81) | 76.55 (1944.33) | 1.6 (40.53) 2.1% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.18 (106.25) | -0.25 (-6.25) -5.6% |
| Revolutions per mile (km) | 845.33 (525.26) | 827.71 (514.31) | -17.62 (-10.95) -2.1% |
125/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.43 mph (32.87 km/h) |
| 25 mph (40.23 km/h) | 25.53 mph (41.09 km/h) |
| 30 mph (48.28 km/h) | 30.64 mph (49.31 km/h) |
| 35 mph (56.33 km/h) | 35.75 mph (57.53 km/h) |
| 40 mph (64.37 km/h) | 40.85 mph (65.74 km/h) |
| 45 mph (72.42 km/h) | 45.96 mph (73.96 km/h) |
| 50 mph (80.47 km/h) | 51.06 mph (82.18 km/h) |
| 55 mph (88.51 km/h) | 56.17 mph (90.4 km/h) |
| 60 mph (96.56 km/h) | 61.28 mph (98.62 km/h) |
| 65 mph (104.61 km/h) | 66.38 mph (106.83 km/h) |
| 70 mph (112.65 km/h) | 71.49 mph (115.05 km/h) |
| 75 mph (120.7 km/h) | 76.6 mph (123.27 km/h) |
| 80 mph (128.75 km/h) | 81.7 mph (131.49 km/h) |
| 85 mph (136.79 km/h) | 86.81 mph (139.71 km/h) |
| 90 mph (144.84 km/h) | 91.92 mph (147.92 km/h) |
| 95 mph (152.89 km/h) | 97.02 mph (156.14 km/h) |
| 100 mph (160.93 km/h) | 102.13 mph (164.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2106 | 2447 | 2635 | 2752 | 2877 | 2967 | 3065 | 3182 | 3343 | 3505 | 3684 | 3827 | 4087 | 4374 | 4598 | 4742 | 4822 | 5118 | 5530 | 6427 |
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