Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 230/60-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657) | 28.29 (718.5) | 2.42 (61.5) 9.4% |
| Width inches (mm) | 9.06 (230) | 8.86 (225) | -0.2 (-5) -2.2% |
| Circum. inches (mm) | 81.26 (2064.03) | 88.87 (2257.23) | 7.61 (193.21) 9.4% |
| Sidewall Height inches (mm) | 5.43 (138) | 6.64 (168.75) | 1.21 (30.75) 22.3% |
| Revolutions per mile (km) | 779.71 (484.49) | 712.97 (443.02) | -66.74 (-41.47) -8.6% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.87 mph (35.2 km/h) |
| 25 mph (40.23 km/h) | 27.34 mph (44 km/h) |
| 30 mph (48.28 km/h) | 32.81 mph (52.8 km/h) |
| 35 mph (56.33 km/h) | 38.28 mph (61.6 km/h) |
| 40 mph (64.37 km/h) | 43.74 mph (70.4 km/h) |
| 45 mph (72.42 km/h) | 49.21 mph (79.2 km/h) |
| 50 mph (80.47 km/h) | 54.68 mph (88 km/h) |
| 55 mph (88.51 km/h) | 60.15 mph (96.8 km/h) |
| 60 mph (96.56 km/h) | 65.62 mph (105.6 km/h) |
| 65 mph (104.61 km/h) | 71.08 mph (114.4 km/h) |
| 70 mph (112.65 km/h) | 76.55 mph (123.2 km/h) |
| 75 mph (120.7 km/h) | 82.02 mph (132 km/h) |
| 80 mph (128.75 km/h) | 87.49 mph (140.8 km/h) |
| 85 mph (136.79 km/h) | 92.96 mph (149.6 km/h) |
| 90 mph (144.84 km/h) | 98.42 mph (158.4 km/h) |
| 95 mph (152.89 km/h) | 103.89 mph (167.2 km/h) |
| 100 mph (160.93 km/h) | 109.36 mph (176 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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