Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 240/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 32.01 (813) | 5.61 (142.6) 21.3% |
| Width inches (mm) | 9.45 (240) | 9.45 (240) | 0 (0) 0% |
| Circum. inches (mm) | 82.92 (2106.12) | 100.56 (2554.11) | 17.64 (447.99) 21.3% |
| Sidewall Height inches (mm) | 5.2 (132) | 8.5 (216) | 3.31 (84) 63.6% |
| Revolutions per mile (km) | 764.13 (474.81) | 630.1 (391.52) | -134.03 (-83.28) -17.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.25 mph (39.03 km/h) |
| 25 mph (40.23 km/h) | 30.32 mph (48.79 km/h) |
| 30 mph (48.28 km/h) | 36.38 mph (58.55 km/h) |
| 35 mph (56.33 km/h) | 42.44 mph (68.31 km/h) |
| 40 mph (64.37 km/h) | 48.51 mph (78.07 km/h) |
| 45 mph (72.42 km/h) | 54.57 mph (87.83 km/h) |
| 50 mph (80.47 km/h) | 60.64 mph (97.58 km/h) |
| 55 mph (88.51 km/h) | 66.7 mph (107.34 km/h) |
| 60 mph (96.56 km/h) | 72.76 mph (117.1 km/h) |
| 65 mph (104.61 km/h) | 78.83 mph (126.86 km/h) |
| 70 mph (112.65 km/h) | 84.89 mph (136.62 km/h) |
| 75 mph (120.7 km/h) | 90.95 mph (146.38 km/h) |
| 80 mph (128.75 km/h) | 97.02 mph (156.13 km/h) |
| 85 mph (136.79 km/h) | 103.08 mph (165.89 km/h) |
| 90 mph (144.84 km/h) | 109.14 mph (175.65 km/h) |
| 95 mph (152.89 km/h) | 115.21 mph (185.41 km/h) |
| 100 mph (160.93 km/h) | 121.27 mph (195.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1863 | 2006 | 2095 | 2190 | 2259 | 2334 | 2422 | 2545 | 2668 | 2804 | 2914 | 3111 | 3330 | 3500 | 3610 | 3671 | 3896 | 4210 | 4892 |
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