Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/60-15 | 375/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.35 (771) | 32.72 (831) | 2.36 (60) 7.8% |
| Width inches (mm) | 12.8 (325) | 14.76 (375) | 1.97 (50) 15.4% |
| Circum. inches (mm) | 95.36 (2422.17) | 102.78 (2610.66) | 7.42 (188.5) 7.8% |
| Sidewall Height inches (mm) | 7.68 (195) | 8.86 (225) | 1.18 (30) 15.4% |
| Revolutions per mile (km) | 664.42 (412.85) | 616.45 (383.04) | -47.97 (-29.81) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.56 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.95 mph (43.36 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.04 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.71 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.38 km/h) |
| 45 mph (72.42 km/h) | 48.5 mph (78.06 km/h) |
| 50 mph (80.47 km/h) | 53.89 mph (86.73 km/h) |
| 55 mph (88.51 km/h) | 59.28 mph (95.4 km/h) |
| 60 mph (96.56 km/h) | 64.67 mph (104.08 km/h) |
| 65 mph (104.61 km/h) | 70.06 mph (112.75 km/h) |
| 70 mph (112.65 km/h) | 75.45 mph (121.42 km/h) |
| 75 mph (120.7 km/h) | 80.84 mph (130.09 km/h) |
| 80 mph (128.75 km/h) | 86.23 mph (138.77 km/h) |
| 85 mph (136.79 km/h) | 91.61 mph (147.44 km/h) |
| 90 mph (144.84 km/h) | 97 mph (156.11 km/h) |
| 95 mph (152.89 km/h) | 102.39 mph (164.79 km/h) |
| 100 mph (160.93 km/h) | 107.78 mph (173.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1569 | 1822 | 1963 | 2049 | 2143 | 2210 | 2283 | 2370 | 2490 | 2610 | 2744 | 2850 | 3044 | 3258 | 3425 | 3531 | 3591 | 3812 | 4119 | 4786 |
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