Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-22 | 285/55-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 34.34 (872.3) | 2.74 (69.5) 8.7% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 99.29 (2522.07) | 107.89 (2740.41) | 8.6 (218.34) 8.7% |
| Sidewall Height inches (mm) | 4.8 (122) | 6.17 (156.75) | 1.37 (34.75) 28.5% |
| Revolutions per mile (km) | 638.1 (396.5) | 587.26 (364.91) | -50.84 (-31.59) -8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.73 mph (34.97 km/h) |
| 25 mph (40.23 km/h) | 27.16 mph (43.72 km/h) |
| 30 mph (48.28 km/h) | 32.6 mph (52.46 km/h) |
| 35 mph (56.33 km/h) | 38.03 mph (61.2 km/h) |
| 40 mph (64.37 km/h) | 43.46 mph (69.95 km/h) |
| 45 mph (72.42 km/h) | 48.9 mph (78.69 km/h) |
| 50 mph (80.47 km/h) | 54.33 mph (87.43 km/h) |
| 55 mph (88.51 km/h) | 59.76 mph (96.18 km/h) |
| 60 mph (96.56 km/h) | 65.19 mph (104.92 km/h) |
| 65 mph (104.61 km/h) | 70.63 mph (113.66 km/h) |
| 70 mph (112.65 km/h) | 76.06 mph (122.41 km/h) |
| 75 mph (120.7 km/h) | 81.49 mph (131.15 km/h) |
| 80 mph (128.75 km/h) | 86.93 mph (139.89 km/h) |
| 85 mph (136.79 km/h) | 92.36 mph (148.64 km/h) |
| 90 mph (144.84 km/h) | 97.79 mph (157.38 km/h) |
| 95 mph (152.89 km/h) | 103.22 mph (166.12 km/h) |
| 100 mph (160.93 km/h) | 108.66 mph (174.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1494 | 1736 | 1870 | 1952 | 2041 | 2105 | 2175 | 2258 | 2372 | 2487 | 2614 | 2715 | 2900 | 3103 | 3262 | 3364 | 3421 | 3631 | 3924 | 4560 |
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