Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/45-22 | 305/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.81 (833.3) | 31.61 (802.8) | -1.2 (-30.5) -3.7% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 103.07 (2617.89) | 99.29 (2522.07) | -3.77 (-95.82) -3.7% |
| Sidewall Height inches (mm) | 5.4 (137.25) | 4.8 (122) | -0.6 (-15.25) -11.1% |
| Revolutions per mile (km) | 614.75 (381.99) | 638.1 (396.5) | 23.36 (14.51) 3.8% |
305/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.27 mph (31.01 km/h) |
| 25 mph (40.23 km/h) | 24.08 mph (38.76 km/h) |
| 30 mph (48.28 km/h) | 28.9 mph (46.51 km/h) |
| 35 mph (56.33 km/h) | 33.72 mph (54.27 km/h) |
| 40 mph (64.37 km/h) | 38.54 mph (62.02 km/h) |
| 45 mph (72.42 km/h) | 43.35 mph (69.77 km/h) |
| 50 mph (80.47 km/h) | 48.17 mph (77.52 km/h) |
| 55 mph (88.51 km/h) | 52.99 mph (85.27 km/h) |
| 60 mph (96.56 km/h) | 57.8 mph (93.03 km/h) |
| 65 mph (104.61 km/h) | 62.62 mph (100.78 km/h) |
| 70 mph (112.65 km/h) | 67.44 mph (108.53 km/h) |
| 75 mph (120.7 km/h) | 72.25 mph (116.28 km/h) |
| 80 mph (128.75 km/h) | 77.07 mph (124.04 km/h) |
| 85 mph (136.79 km/h) | 81.89 mph (131.79 km/h) |
| 90 mph (144.84 km/h) | 86.71 mph (139.54 km/h) |
| 95 mph (152.89 km/h) | 91.52 mph (147.29 km/h) |
| 100 mph (160.93 km/h) | 96.34 mph (155.04 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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