Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 325/50-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 34.8 (883.8) | 2.19 (55.6) 6.7% |
| Width inches (mm) | 12.01 (305) | 12.8 (325) | 0.79 (20) 6.6% |
| Circum. inches (mm) | 102.44 (2601.87) | 109.31 (2776.54) | 6.88 (174.67) 6.7% |
| Sidewall Height inches (mm) | 4.8 (122) | 6.4 (162.5) | 1.59 (40.5) 33.2% |
| Revolutions per mile (km) | 618.53 (384.34) | 579.62 (360.16) | -38.91 (-24.18) -6.3% |
325/50-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.34 mph (34.35 km/h) |
| 25 mph (40.23 km/h) | 26.68 mph (42.93 km/h) |
| 30 mph (48.28 km/h) | 32.01 mph (51.52 km/h) |
| 35 mph (56.33 km/h) | 37.35 mph (60.11 km/h) |
| 40 mph (64.37 km/h) | 42.69 mph (68.7 km/h) |
| 45 mph (72.42 km/h) | 48.02 mph (77.28 km/h) |
| 50 mph (80.47 km/h) | 53.36 mph (85.87 km/h) |
| 55 mph (88.51 km/h) | 58.69 mph (94.46 km/h) |
| 60 mph (96.56 km/h) | 64.03 mph (103.04 km/h) |
| 65 mph (104.61 km/h) | 69.36 mph (111.63 km/h) |
| 70 mph (112.65 km/h) | 74.7 mph (120.22 km/h) |
| 75 mph (120.7 km/h) | 80.04 mph (128.8 km/h) |
| 80 mph (128.75 km/h) | 85.37 mph (137.39 km/h) |
| 85 mph (136.79 km/h) | 90.71 mph (145.98 km/h) |
| 90 mph (144.84 km/h) | 96.04 mph (154.56 km/h) |
| 95 mph (152.89 km/h) | 101.38 mph (163.15 km/h) |
| 100 mph (160.93 km/h) | 106.71 mph (171.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1475 | 1714 | 1845 | 1927 | 2015 | 2078 | 2147 | 2228 | 2341 | 2454 | 2580 | 2680 | 2862 | 3063 | 3220 | 3320 | 3377 | 3584 | 3873 | 4500 |
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