Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/45-22 | 305/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.74 (806.3) | 31.61 (802.8) | -0.14 (-3.5) -0.4% |
| Width inches (mm) | 10.83 (275) | 12.01 (305) | 1.18 (30) 10.9% |
| Circum. inches (mm) | 99.73 (2533.07) | 99.29 (2522.07) | -0.43 (-11) -0.4% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.8 (122) | -0.07 (-1.75) -1.4% |
| Revolutions per mile (km) | 635.33 (394.78) | 638.1 (396.5) | 2.77 (1.72) 0.4% |
305/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.91 mph (32.05 km/h) |
| 25 mph (40.23 km/h) | 24.89 mph (40.06 km/h) |
| 30 mph (48.28 km/h) | 29.87 mph (48.07 km/h) |
| 35 mph (56.33 km/h) | 34.85 mph (56.08 km/h) |
| 40 mph (64.37 km/h) | 39.83 mph (64.09 km/h) |
| 45 mph (72.42 km/h) | 44.8 mph (72.11 km/h) |
| 50 mph (80.47 km/h) | 49.78 mph (80.12 km/h) |
| 55 mph (88.51 km/h) | 54.76 mph (88.13 km/h) |
| 60 mph (96.56 km/h) | 59.74 mph (96.14 km/h) |
| 65 mph (104.61 km/h) | 64.72 mph (104.15 km/h) |
| 70 mph (112.65 km/h) | 69.7 mph (112.17 km/h) |
| 75 mph (120.7 km/h) | 74.67 mph (120.18 km/h) |
| 80 mph (128.75 km/h) | 79.65 mph (128.19 km/h) |
| 85 mph (136.79 km/h) | 84.63 mph (136.2 km/h) |
| 90 mph (144.84 km/h) | 89.61 mph (144.21 km/h) |
| 95 mph (152.89 km/h) | 94.59 mph (152.22 km/h) |
| 100 mph (160.93 km/h) | 99.57 mph (160.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1624 | 1886 | 2032 | 2121 | 2218 | 2287 | 2363 | 2453 | 2577 | 2702 | 2840 | 2951 | 3151 | 3372 | 3545 | 3655 | 3718 | 3946 | 4263 | 4954 |
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