Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/60-16 | 390/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 34.43 (874.4) | 8.03 (204) 30.4% |
| Width inches (mm) | 8.66 (220) | 15.35 (390) | 6.69 (170) 77.3% |
| Circum. inches (mm) | 82.92 (2106.12) | 108.15 (2747.01) | 25.23 (640.88) 30.4% |
| Sidewall Height inches (mm) | 5.2 (132) | 9.21 (234) | 4.02 (102) 77.3% |
| Revolutions per mile (km) | 764.13 (474.81) | 585.85 (364.03) | -178.27 (-110.77) -23.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.09 mph (41.98 km/h) |
| 25 mph (40.23 km/h) | 32.61 mph (52.48 km/h) |
| 30 mph (48.28 km/h) | 39.13 mph (62.97 km/h) |
| 35 mph (56.33 km/h) | 45.65 mph (73.47 km/h) |
| 40 mph (64.37 km/h) | 52.17 mph (83.96 km/h) |
| 45 mph (72.42 km/h) | 58.69 mph (94.46 km/h) |
| 50 mph (80.47 km/h) | 65.21 mph (104.95 km/h) |
| 55 mph (88.51 km/h) | 71.74 mph (115.45 km/h) |
| 60 mph (96.56 km/h) | 78.26 mph (125.94 km/h) |
| 65 mph (104.61 km/h) | 84.78 mph (136.44 km/h) |
| 70 mph (112.65 km/h) | 91.3 mph (146.93 km/h) |
| 75 mph (120.7 km/h) | 97.82 mph (157.43 km/h) |
| 80 mph (128.75 km/h) | 104.34 mph (167.93 km/h) |
| 85 mph (136.79 km/h) | 110.87 mph (178.42 km/h) |
| 90 mph (144.84 km/h) | 117.39 mph (188.92 km/h) |
| 95 mph (152.89 km/h) | 123.91 mph (199.41 km/h) |
| 100 mph (160.93 km/h) | 130.43 mph (209.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1491 | 1732 | 1865 | 1948 | 2036 | 2100 | 2170 | 2252 | 2366 | 2481 | 2607 | 2709 | 2893 | 3096 | 3255 | 3356 | 3413 | 3623 | 3914 | 4549 |
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