Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-16 | 125/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.89 (581.4) | 24.87 (631.8) | 1.98 (50.4) 8.7% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 71.91 (1826.52) | 78.14 (1984.86) | 6.23 (158.34) 8.7% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.94 (100) | 0.49 (12.5) 14.3% |
| Revolutions per mile (km) | 881.1 (547.49) | 810.81 (503.81) | -70.29 (-43.67) -8% |
125/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.73 mph (34.98 km/h) |
| 25 mph (40.23 km/h) | 27.17 mph (43.72 km/h) |
| 30 mph (48.28 km/h) | 32.6 mph (52.47 km/h) |
| 35 mph (56.33 km/h) | 38.03 mph (61.21 km/h) |
| 40 mph (64.37 km/h) | 43.47 mph (69.95 km/h) |
| 45 mph (72.42 km/h) | 48.9 mph (78.7 km/h) |
| 50 mph (80.47 km/h) | 54.33 mph (87.44 km/h) |
| 55 mph (88.51 km/h) | 59.77 mph (96.19 km/h) |
| 60 mph (96.56 km/h) | 65.2 mph (104.93 km/h) |
| 65 mph (104.61 km/h) | 70.63 mph (113.68 km/h) |
| 70 mph (112.65 km/h) | 76.07 mph (122.42 km/h) |
| 75 mph (120.7 km/h) | 81.5 mph (131.16 km/h) |
| 80 mph (128.75 km/h) | 86.93 mph (139.91 km/h) |
| 85 mph (136.79 km/h) | 92.37 mph (148.65 km/h) |
| 90 mph (144.84 km/h) | 97.8 mph (157.4 km/h) |
| 95 mph (152.89 km/h) | 103.24 mph (166.14 km/h) |
| 100 mph (160.93 km/h) | 108.67 mph (174.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2063 | 2397 | 2581 | 2696 | 2818 | 2906 | 3003 | 3117 | 3275 | 3433 | 3609 | 3749 | 4004 | 4285 | 4504 | 4645 | 4724 | 5014 | 5417 | 6295 |
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