Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-22 | 35/12.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 35.02 (889.52) | 3.41 (86.72) 10.8% |
| Width inches (mm) | 12.01 (305) | 12.52 (318) | 0.51 (13) 4.3% |
| Circum. inches (mm) | 99.29 (2522.07) | 110.02 (2794.51) | 10.73 (272.44) 10.8% |
| Sidewall Height inches (mm) | 4.8 (122) | 6.51 (165.36) | 1.71 (43.36) 35.5% |
| Revolutions per mile (km) | 638.1 (396.5) | 575.89 (357.84) | -62.21 (-38.65) -9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.16 mph (35.66 km/h) |
| 25 mph (40.23 km/h) | 27.7 mph (44.58 km/h) |
| 30 mph (48.28 km/h) | 33.24 mph (53.5 km/h) |
| 35 mph (56.33 km/h) | 38.78 mph (62.41 km/h) |
| 40 mph (64.37 km/h) | 44.32 mph (71.33 km/h) |
| 45 mph (72.42 km/h) | 49.86 mph (80.24 km/h) |
| 50 mph (80.47 km/h) | 55.4 mph (89.16 km/h) |
| 55 mph (88.51 km/h) | 60.94 mph (98.08 km/h) |
| 60 mph (96.56 km/h) | 66.48 mph (106.99 km/h) |
| 65 mph (104.61 km/h) | 72.02 mph (115.91 km/h) |
| 70 mph (112.65 km/h) | 77.56 mph (124.82 km/h) |
| 75 mph (120.7 km/h) | 83.1 mph (133.74 km/h) |
| 80 mph (128.75 km/h) | 88.64 mph (142.66 km/h) |
| 85 mph (136.79 km/h) | 94.18 mph (151.57 km/h) |
| 90 mph (144.84 km/h) | 99.72 mph (160.49 km/h) |
| 95 mph (152.89 km/h) | 105.26 mph (169.4 km/h) |
| 100 mph (160.93 km/h) | 110.8 mph (178.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1466 | 1703 | 1833 | 1915 | 2002 | 2064 | 2133 | 2214 | 2326 | 2438 | 2563 | 2663 | 2844 | 3043 | 3199 | 3299 | 3355 | 3561 | 3848 | 4471 |
Better Fuel Economy Factory Ratios Increased Power
