Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 35/12.5-20 | 325/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.02 (889.6) | 35.35 (898) | 0.33 (8.4) 0.9% |
| Width inches (mm) | 12.52 (318) | 12.8 (325) | 0.28 (7) 2.2% |
| Circum. inches (mm) | 110.03 (2794.76) | 111.07 (2821.15) | 1.04 (26.39) 0.9% |
| Sidewall Height inches (mm) | 7.51 (190.8) | 7.68 (195) | 0.17 (4.2) 2.2% |
| Revolutions per mile (km) | 575.84 (357.81) | 570.46 (354.46) | -5.39 (-3.35) -0.9% |
325/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.49 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.61 km/h) |
| 30 mph (48.28 km/h) | 30.28 mph (48.74 km/h) |
| 35 mph (56.33 km/h) | 35.33 mph (56.86 km/h) |
| 40 mph (64.37 km/h) | 40.38 mph (64.98 km/h) |
| 45 mph (72.42 km/h) | 45.42 mph (73.1 km/h) |
| 50 mph (80.47 km/h) | 50.47 mph (81.23 km/h) |
| 55 mph (88.51 km/h) | 55.52 mph (89.35 km/h) |
| 60 mph (96.56 km/h) | 60.57 mph (97.47 km/h) |
| 65 mph (104.61 km/h) | 65.61 mph (105.6 km/h) |
| 70 mph (112.65 km/h) | 70.66 mph (113.72 km/h) |
| 75 mph (120.7 km/h) | 75.71 mph (121.84 km/h) |
| 80 mph (128.75 km/h) | 80.76 mph (129.96 km/h) |
| 85 mph (136.79 km/h) | 85.8 mph (138.09 km/h) |
| 90 mph (144.84 km/h) | 90.85 mph (146.21 km/h) |
| 95 mph (152.89 km/h) | 95.9 mph (154.33 km/h) |
| 100 mph (160.93 km/h) | 100.94 mph (162.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1452 | 1686 | 1816 | 1896 | 1983 | 2045 | 2113 | 2193 | 2304 | 2415 | 2539 | 2638 | 2817 | 3015 | 3169 | 3268 | 3323 | 3527 | 3811 | 4429 |
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