Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/75-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.01 (863.9) | 32.81 (833.4) | -1.2 (-30.5) -3.5% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 106.85 (2714.02) | 103.08 (2618.2) | -3.77 (-95.82) -3.5% |
| Sidewall Height inches (mm) | 9.01 (228.75) | 8.41 (213.5) | -0.6 (-15.25) -6.7% |
| Revolutions per mile (km) | 592.97 (368.46) | 614.67 (381.94) | 21.7 (13.48) 3.7% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.05 km/h) |
| 25 mph (40.23 km/h) | 24.12 mph (38.81 km/h) |
| 30 mph (48.28 km/h) | 28.94 mph (46.58 km/h) |
| 35 mph (56.33 km/h) | 33.76 mph (54.34 km/h) |
| 40 mph (64.37 km/h) | 38.59 mph (62.1 km/h) |
| 45 mph (72.42 km/h) | 43.41 mph (69.86 km/h) |
| 50 mph (80.47 km/h) | 48.23 mph (77.63 km/h) |
| 55 mph (88.51 km/h) | 53.06 mph (85.39 km/h) |
| 60 mph (96.56 km/h) | 57.88 mph (93.15 km/h) |
| 65 mph (104.61 km/h) | 62.71 mph (100.91 km/h) |
| 70 mph (112.65 km/h) | 67.53 mph (108.68 km/h) |
| 75 mph (120.7 km/h) | 72.35 mph (116.44 km/h) |
| 80 mph (128.75 km/h) | 77.18 mph (124.2 km/h) |
| 85 mph (136.79 km/h) | 82 mph (131.96 km/h) |
| 90 mph (144.84 km/h) | 86.82 mph (139.73 km/h) |
| 95 mph (152.89 km/h) | 91.65 mph (147.49 km/h) |
| 100 mph (160.93 km/h) | 96.47 mph (155.25 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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