Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10.5-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.98 (812.24) | 32.81 (833.4) | 0.83 (21.16) 2.6% |
| Width inches (mm) | 10.51 (267) | 12.01 (305) | 1.5 (38) 14.2% |
| Circum. inches (mm) | 100.46 (2551.73) | 103.08 (2618.2) | 2.62 (66.48) 2.6% |
| Sidewall Height inches (mm) | 7.99 (202.92) | 8.41 (213.5) | 0.42 (10.58) 5.2% |
| Revolutions per mile (km) | 630.69 (391.89) | 614.67 (381.94) | -16.01 (-9.95) -2.5% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.52 mph (33.03 km/h) |
| 25 mph (40.23 km/h) | 25.65 mph (41.28 km/h) |
| 30 mph (48.28 km/h) | 30.78 mph (49.54 km/h) |
| 35 mph (56.33 km/h) | 35.91 mph (57.79 km/h) |
| 40 mph (64.37 km/h) | 41.04 mph (66.05 km/h) |
| 45 mph (72.42 km/h) | 46.17 mph (74.31 km/h) |
| 50 mph (80.47 km/h) | 51.3 mph (82.56 km/h) |
| 55 mph (88.51 km/h) | 56.43 mph (90.82 km/h) |
| 60 mph (96.56 km/h) | 61.56 mph (99.08 km/h) |
| 65 mph (104.61 km/h) | 66.69 mph (107.33 km/h) |
| 70 mph (112.65 km/h) | 71.82 mph (115.59 km/h) |
| 75 mph (120.7 km/h) | 76.95 mph (123.85 km/h) |
| 80 mph (128.75 km/h) | 82.08 mph (132.1 km/h) |
| 85 mph (136.79 km/h) | 87.21 mph (140.36 km/h) |
| 90 mph (144.84 km/h) | 92.34 mph (148.61 km/h) |
| 95 mph (152.89 km/h) | 97.47 mph (156.87 km/h) |
| 100 mph (160.93 km/h) | 102.61 mph (165.13 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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