Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-18 | 365/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.52 (749.7) | 35.24 (895.2) | 5.73 (145.5) 19.4% |
| Width inches (mm) | 8.86 (225) | 14.37 (365) | 5.51 (140) 62.2% |
| Circum. inches (mm) | 92.73 (2355.25) | 110.72 (2812.35) | 18 (457.1) 19.4% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 8.62 (219) | 2.86 (72.75) 49.7% |
| Revolutions per mile (km) | 683.3 (424.58) | 572.24 (355.57) | -111.06 (-69.01) -16.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.88 mph (38.43 km/h) |
| 25 mph (40.23 km/h) | 29.85 mph (48.04 km/h) |
| 30 mph (48.28 km/h) | 35.82 mph (57.65 km/h) |
| 35 mph (56.33 km/h) | 41.79 mph (67.26 km/h) |
| 40 mph (64.37 km/h) | 47.76 mph (76.87 km/h) |
| 45 mph (72.42 km/h) | 53.73 mph (86.48 km/h) |
| 50 mph (80.47 km/h) | 59.7 mph (96.08 km/h) |
| 55 mph (88.51 km/h) | 65.67 mph (105.69 km/h) |
| 60 mph (96.56 km/h) | 71.64 mph (115.3 km/h) |
| 65 mph (104.61 km/h) | 77.62 mph (124.91 km/h) |
| 70 mph (112.65 km/h) | 83.59 mph (134.52 km/h) |
| 75 mph (120.7 km/h) | 89.56 mph (144.13 km/h) |
| 80 mph (128.75 km/h) | 95.53 mph (153.73 km/h) |
| 85 mph (136.79 km/h) | 101.5 mph (163.34 km/h) |
| 90 mph (144.84 km/h) | 107.47 mph (172.95 km/h) |
| 95 mph (152.89 km/h) | 113.44 mph (182.56 km/h) |
| 100 mph (160.93 km/h) | 119.41 mph (192.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1456 | 1692 | 1822 | 1902 | 1989 | 2051 | 2119 | 2200 | 2311 | 2423 | 2547 | 2646 | 2826 | 3024 | 3179 | 3278 | 3334 | 3538 | 3823 | 4443 |
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