Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 305/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 31.61 (802.8) | -1 (-25.4) -3.1% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 102.44 (2601.87) | 99.29 (2522.07) | -3.14 (-79.8) -3.1% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.8 (122) | 0 (0) 0% |
| Revolutions per mile (km) | 618.53 (384.34) | 638.1 (396.5) | 19.57 (12.16) 3.2% |
305/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.23 mph (39 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.8 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.6 km/h) |
| 40 mph (64.37 km/h) | 38.77 mph (62.4 km/h) |
| 45 mph (72.42 km/h) | 43.62 mph (70.2 km/h) |
| 50 mph (80.47 km/h) | 48.47 mph (78 km/h) |
| 55 mph (88.51 km/h) | 53.31 mph (85.8 km/h) |
| 60 mph (96.56 km/h) | 58.16 mph (93.6 km/h) |
| 65 mph (104.61 km/h) | 63.01 mph (101.4 km/h) |
| 70 mph (112.65 km/h) | 67.85 mph (109.2 km/h) |
| 75 mph (120.7 km/h) | 72.7 mph (117 km/h) |
| 80 mph (128.75 km/h) | 77.55 mph (124.8 km/h) |
| 85 mph (136.79 km/h) | 82.39 mph (132.6 km/h) |
| 90 mph (144.84 km/h) | 87.24 mph (140.4 km/h) |
| 95 mph (152.89 km/h) | 92.09 mph (148.2 km/h) |
| 100 mph (160.93 km/h) | 96.93 mph (156 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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