Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/70-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.91 (861.4) | 32.81 (833.4) | -1.1 (-28) -3.3% |
| Width inches (mm) | 12.8 (325) | 12.01 (305) | -0.79 (-20) -6.2% |
| Circum. inches (mm) | 106.54 (2706.17) | 103.08 (2618.2) | -3.46 (-87.96) -3.3% |
| Sidewall Height inches (mm) | 8.96 (227.5) | 8.41 (213.5) | -0.55 (-14) -6.2% |
| Revolutions per mile (km) | 594.69 (369.53) | 614.67 (381.94) | 19.98 (12.42) 3.4% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.35 mph (31.14 km/h) |
| 25 mph (40.23 km/h) | 24.19 mph (38.93 km/h) |
| 30 mph (48.28 km/h) | 29.02 mph (46.71 km/h) |
| 35 mph (56.33 km/h) | 33.86 mph (54.5 km/h) |
| 40 mph (64.37 km/h) | 38.7 mph (62.28 km/h) |
| 45 mph (72.42 km/h) | 43.54 mph (70.07 km/h) |
| 50 mph (80.47 km/h) | 48.37 mph (77.85 km/h) |
| 55 mph (88.51 km/h) | 53.21 mph (85.64 km/h) |
| 60 mph (96.56 km/h) | 58.05 mph (93.42 km/h) |
| 65 mph (104.61 km/h) | 62.89 mph (101.21 km/h) |
| 70 mph (112.65 km/h) | 67.72 mph (108.99 km/h) |
| 75 mph (120.7 km/h) | 72.56 mph (116.78 km/h) |
| 80 mph (128.75 km/h) | 77.4 mph (124.56 km/h) |
| 85 mph (136.79 km/h) | 82.24 mph (132.35 km/h) |
| 90 mph (144.84 km/h) | 87.07 mph (140.13 km/h) |
| 95 mph (152.89 km/h) | 91.91 mph (147.92 km/h) |
| 100 mph (160.93 km/h) | 96.75 mph (155.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2043 | 2137 | 2203 | 2276 | 2363 | 2483 | 2603 | 2736 | 2842 | 3035 | 3248 | 3415 | 3521 | 3581 | 3801 | 4107 | 4773 |
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