Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/50-22 | 37/13.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.8 (883.8) | 37.12 (942.96) | 2.33 (59.16) 6.7% |
| Width inches (mm) | 12.8 (325) | 13.5 (343) | 0.71 (18) 5.5% |
| Circum. inches (mm) | 109.31 (2776.54) | 116.63 (2962.4) | 7.32 (185.86) 6.7% |
| Sidewall Height inches (mm) | 6.4 (162.5) | 7.56 (192.08) | 1.16 (29.58) 18.2% |
| Revolutions per mile (km) | 579.62 (360.16) | 543.26 (337.56) | -36.36 (-22.6) -6.3% |
37/13.5-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.34 mph (34.34 km/h) |
| 25 mph (40.23 km/h) | 26.67 mph (42.93 km/h) |
| 30 mph (48.28 km/h) | 32.01 mph (51.51 km/h) |
| 35 mph (56.33 km/h) | 37.34 mph (60.1 km/h) |
| 40 mph (64.37 km/h) | 42.68 mph (68.68 km/h) |
| 45 mph (72.42 km/h) | 48.01 mph (77.27 km/h) |
| 50 mph (80.47 km/h) | 53.35 mph (85.85 km/h) |
| 55 mph (88.51 km/h) | 58.68 mph (94.44 km/h) |
| 60 mph (96.56 km/h) | 64.02 mph (103.02 km/h) |
| 65 mph (104.61 km/h) | 69.35 mph (111.61 km/h) |
| 70 mph (112.65 km/h) | 74.69 mph (120.2 km/h) |
| 75 mph (120.7 km/h) | 80.02 mph (128.78 km/h) |
| 80 mph (128.75 km/h) | 85.36 mph (137.37 km/h) |
| 85 mph (136.79 km/h) | 90.69 mph (145.95 km/h) |
| 90 mph (144.84 km/h) | 96.02 mph (154.54 km/h) |
| 95 mph (152.89 km/h) | 101.36 mph (163.12 km/h) |
| 100 mph (160.93 km/h) | 106.69 mph (171.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1382 | 1606 | 1730 | 1806 | 1888 | 1947 | 2012 | 2088 | 2194 | 2300 | 2418 | 2512 | 2683 | 2871 | 3018 | 3112 | 3165 | 3359 | 3630 | 4218 |
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