Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-16.5 | 37/12.5-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.86) | 37.03 (940.62) | 4.01 (101.76) 12.1% |
| Width inches (mm) | 12.52 (318) | 12.52 (318) | 0 (0) 0% |
| Circum. inches (mm) | 103.75 (2635.36) | 116.34 (2955.04) | 12.59 (319.69) 12.1% |
| Sidewall Height inches (mm) | 8.26 (209.88) | 10.27 (260.76) | 2 (50.88) 24.2% |
| Revolutions per mile (km) | 610.67 (379.45) | 544.61 (338.4) | -66.07 (-41.05) -10.8% |
37/12.5-16.5 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.43 mph (36.09 km/h) |
| 25 mph (40.23 km/h) | 28.03 mph (45.11 km/h) |
| 30 mph (48.28 km/h) | 33.64 mph (54.14 km/h) |
| 35 mph (56.33 km/h) | 39.25 mph (63.16 km/h) |
| 40 mph (64.37 km/h) | 44.85 mph (72.18 km/h) |
| 45 mph (72.42 km/h) | 50.46 mph (81.21 km/h) |
| 50 mph (80.47 km/h) | 56.07 mph (90.23 km/h) |
| 55 mph (88.51 km/h) | 61.67 mph (99.25 km/h) |
| 60 mph (96.56 km/h) | 67.28 mph (108.27 km/h) |
| 65 mph (104.61 km/h) | 72.88 mph (117.3 km/h) |
| 70 mph (112.65 km/h) | 78.49 mph (126.32 km/h) |
| 75 mph (120.7 km/h) | 84.1 mph (135.34 km/h) |
| 80 mph (128.75 km/h) | 89.7 mph (144.37 km/h) |
| 85 mph (136.79 km/h) | 95.31 mph (153.39 km/h) |
| 90 mph (144.84 km/h) | 100.92 mph (162.41 km/h) |
| 95 mph (152.89 km/h) | 106.52 mph (171.43 km/h) |
| 100 mph (160.93 km/h) | 112.13 mph (180.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1386 | 1610 | 1734 | 1811 | 1893 | 1952 | 2017 | 2094 | 2200 | 2306 | 2424 | 2518 | 2689 | 2878 | 3025 | 3120 | 3173 | 3368 | 3639 | 4229 |
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