Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 37/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 37.03 (940.6) | 1 (25.42) 2.8% |
| Width inches (mm) | 12.52 (318) | 12.52 (318) | 0 (0) 0% |
| Circum. inches (mm) | 113.19 (2875.12) | 116.34 (2954.98) | 3.14 (79.86) 2.8% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 10.02 (254.4) | 0.25 (6.36) 2.6% |
| Revolutions per mile (km) | 559.75 (347.81) | 544.62 (338.41) | -15.13 (-9.4) -2.7% |
37/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.56 mph (33.08 km/h) |
| 25 mph (40.23 km/h) | 25.69 mph (41.35 km/h) |
| 30 mph (48.28 km/h) | 30.83 mph (49.62 km/h) |
| 35 mph (56.33 km/h) | 35.97 mph (57.89 km/h) |
| 40 mph (64.37 km/h) | 41.11 mph (66.16 km/h) |
| 45 mph (72.42 km/h) | 46.25 mph (74.43 km/h) |
| 50 mph (80.47 km/h) | 51.39 mph (82.7 km/h) |
| 55 mph (88.51 km/h) | 56.53 mph (90.97 km/h) |
| 60 mph (96.56 km/h) | 61.67 mph (99.24 km/h) |
| 65 mph (104.61 km/h) | 66.81 mph (107.51 km/h) |
| 70 mph (112.65 km/h) | 71.94 mph (115.78 km/h) |
| 75 mph (120.7 km/h) | 77.08 mph (124.05 km/h) |
| 80 mph (128.75 km/h) | 82.22 mph (132.32 km/h) |
| 85 mph (136.79 km/h) | 87.36 mph (140.59 km/h) |
| 90 mph (144.84 km/h) | 92.5 mph (148.86 km/h) |
| 95 mph (152.89 km/h) | 97.64 mph (157.13 km/h) |
| 100 mph (160.93 km/h) | 102.78 mph (165.4 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 | 3026 | 3120 | 3173 | 3368 | 3639 | 4229 |
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