Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 250/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 29.76 (756) | 5.2 (132) 21.2% |
| Width inches (mm) | 5.31 (135) | 9.84 (250) | 4.53 (115) 85.2% |
| Circum. inches (mm) | 77.18 (1960.35) | 93.51 (2375.04) | 16.33 (414.69) 21.2% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 7.38 (187.5) | 2.6 (66) 54.3% |
| Revolutions per mile (km) | 820.95 (510.11) | 677.61 (421.04) | -143.34 (-89.07) -17.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.23 mph (39 km/h) |
| 25 mph (40.23 km/h) | 30.29 mph (48.74 km/h) |
| 30 mph (48.28 km/h) | 36.35 mph (58.49 km/h) |
| 35 mph (56.33 km/h) | 42.4 mph (68.24 km/h) |
| 40 mph (64.37 km/h) | 48.46 mph (77.99 km/h) |
| 45 mph (72.42 km/h) | 54.52 mph (87.74 km/h) |
| 50 mph (80.47 km/h) | 60.58 mph (97.49 km/h) |
| 55 mph (88.51 km/h) | 66.63 mph (107.24 km/h) |
| 60 mph (96.56 km/h) | 72.69 mph (116.99 km/h) |
| 65 mph (104.61 km/h) | 78.75 mph (126.74 km/h) |
| 70 mph (112.65 km/h) | 84.81 mph (136.49 km/h) |
| 75 mph (120.7 km/h) | 90.87 mph (146.23 km/h) |
| 80 mph (128.75 km/h) | 96.92 mph (155.98 km/h) |
| 85 mph (136.79 km/h) | 102.98 mph (165.73 km/h) |
| 90 mph (144.84 km/h) | 109.04 mph (175.48 km/h) |
| 95 mph (152.89 km/h) | 115.1 mph (185.23 km/h) |
| 100 mph (160.93 km/h) | 121.15 mph (194.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1724 | 2003 | 2157 | 2253 | 2355 | 2429 | 2510 | 2605 | 2737 | 2869 | 3016 | 3133 | 3346 | 3581 | 3764 | 3882 | 3948 | 4190 | 4527 | 5261 |
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