Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/7.5-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (636.94) | 28.29 (718.5) | 3.21 (81.56) 12.8% |
| Width inches (mm) | 7.52 (191) | 8.86 (225) | 1.34 (34) 17.8% |
| Circum. inches (mm) | 78.78 (2001.01) | 88.87 (2257.23) | 10.09 (256.23) 12.8% |
| Sidewall Height inches (mm) | 5.04 (127.97) | 6.64 (168.75) | 1.61 (40.78) 31.9% |
| Revolutions per mile (km) | 804.27 (499.75) | 712.97 (443.02) | -91.3 (-56.73) -11.4% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.56 mph (36.31 km/h) |
| 25 mph (40.23 km/h) | 28.2 mph (45.39 km/h) |
| 30 mph (48.28 km/h) | 33.84 mph (54.46 km/h) |
| 35 mph (56.33 km/h) | 39.48 mph (63.54 km/h) |
| 40 mph (64.37 km/h) | 45.12 mph (72.62 km/h) |
| 45 mph (72.42 km/h) | 50.76 mph (81.69 km/h) |
| 50 mph (80.47 km/h) | 56.4 mph (90.77 km/h) |
| 55 mph (88.51 km/h) | 62.04 mph (99.85 km/h) |
| 60 mph (96.56 km/h) | 67.68 mph (108.93 km/h) |
| 65 mph (104.61 km/h) | 73.32 mph (118 km/h) |
| 70 mph (112.65 km/h) | 78.96 mph (127.08 km/h) |
| 75 mph (120.7 km/h) | 84.6 mph (136.16 km/h) |
| 80 mph (128.75 km/h) | 90.24 mph (145.23 km/h) |
| 85 mph (136.79 km/h) | 95.88 mph (154.31 km/h) |
| 90 mph (144.84 km/h) | 101.52 mph (163.39 km/h) |
| 95 mph (152.89 km/h) | 107.16 mph (172.47 km/h) |
| 100 mph (160.93 km/h) | 112.8 mph (181.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1814 | 2108 | 2270 | 2370 | 2478 | 2556 | 2640 | 2741 | 2880 | 3019 | 3173 | 3297 | 3521 | 3768 | 3961 | 4084 | 4154 | 4409 | 4764 | 5536 |
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