Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-20 | 255/50-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.65 (753) | 32.04 (813.8) | 2.39 (60.8) 8.1% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 93.13 (2365.62) | 100.65 (2556.63) | 7.52 (191.01) 8.1% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 5.02 (127.5) | 0.2 (5) 4.1% |
| Revolutions per mile (km) | 680.31 (422.72) | 629.48 (391.14) | -50.83 (-31.58) -7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.61 mph (34.79 km/h) |
| 25 mph (40.23 km/h) | 27.02 mph (43.48 km/h) |
| 30 mph (48.28 km/h) | 32.42 mph (52.18 km/h) |
| 35 mph (56.33 km/h) | 37.83 mph (60.88 km/h) |
| 40 mph (64.37 km/h) | 43.23 mph (69.57 km/h) |
| 45 mph (72.42 km/h) | 48.63 mph (78.27 km/h) |
| 50 mph (80.47 km/h) | 54.04 mph (86.96 km/h) |
| 55 mph (88.51 km/h) | 59.44 mph (95.66 km/h) |
| 60 mph (96.56 km/h) | 64.84 mph (104.36 km/h) |
| 65 mph (104.61 km/h) | 70.25 mph (113.05 km/h) |
| 70 mph (112.65 km/h) | 75.65 mph (121.75 km/h) |
| 75 mph (120.7 km/h) | 81.06 mph (130.45 km/h) |
| 80 mph (128.75 km/h) | 86.46 mph (139.14 km/h) |
| 85 mph (136.79 km/h) | 91.86 mph (147.84 km/h) |
| 90 mph (144.84 km/h) | 97.27 mph (156.54 km/h) |
| 95 mph (152.89 km/h) | 102.67 mph (165.23 km/h) |
| 100 mph (160.93 km/h) | 108.07 mph (173.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1602 | 1861 | 2004 | 2093 | 2188 | 2256 | 2331 | 2420 | 2543 | 2665 | 2802 | 2911 | 3108 | 3327 | 3497 | 3606 | 3667 | 3892 | 4206 | 4888 |
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