Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/80-20 | 37/13.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.99 (1092) | 37.12 (942.96) | -5.87 (-149.04) -13.6% |
| Width inches (mm) | 14.37 (365) | 13.5 (343) | -0.87 (-22) -6% |
| Circum. inches (mm) | 135.06 (3430.62) | 116.63 (2962.4) | -18.43 (-468.22) -13.6% |
| Sidewall Height inches (mm) | 11.5 (292) | 7.56 (192.08) | -3.93 (-99.92) -34.2% |
| Revolutions per mile (km) | 469.11 (291.49) | 543.26 (337.56) | 74.15 (46.07) 15.8% |
37/13.5-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.27 mph (27.79 km/h) |
| 25 mph (40.23 km/h) | 21.59 mph (34.74 km/h) |
| 30 mph (48.28 km/h) | 25.91 mph (41.69 km/h) |
| 35 mph (56.33 km/h) | 30.22 mph (48.64 km/h) |
| 40 mph (64.37 km/h) | 34.54 mph (55.59 km/h) |
| 45 mph (72.42 km/h) | 38.86 mph (62.54 km/h) |
| 50 mph (80.47 km/h) | 43.18 mph (69.48 km/h) |
| 55 mph (88.51 km/h) | 47.49 mph (76.43 km/h) |
| 60 mph (96.56 km/h) | 51.81 mph (83.38 km/h) |
| 65 mph (104.61 km/h) | 56.13 mph (90.33 km/h) |
| 70 mph (112.65 km/h) | 60.45 mph (97.28 km/h) |
| 75 mph (120.7 km/h) | 64.76 mph (104.23 km/h) |
| 80 mph (128.75 km/h) | 69.08 mph (111.18 km/h) |
| 85 mph (136.79 km/h) | 73.4 mph (118.12 km/h) |
| 90 mph (144.84 km/h) | 77.72 mph (125.07 km/h) |
| 95 mph (152.89 km/h) | 82.03 mph (132.02 km/h) |
| 100 mph (160.93 km/h) | 86.35 mph (138.97 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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