Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 32.81 (833.4) | 1.93 (49) 6.2% |
| Width inches (mm) | 10.63 (270) | 12.01 (305) | 1.38 (35) 13% |
| Circum. inches (mm) | 97.02 (2464.27) | 103.08 (2618.2) | 6.06 (153.94) 6.2% |
| Sidewall Height inches (mm) | 7.44 (189) | 8.41 (213.5) | 0.96 (24.5) 13% |
| Revolutions per mile (km) | 653.07 (405.8) | 614.67 (381.94) | -38.4 (-23.86) -5.9% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.25 mph (34.2 km/h) |
| 25 mph (40.23 km/h) | 26.56 mph (42.75 km/h) |
| 30 mph (48.28 km/h) | 31.87 mph (51.3 km/h) |
| 35 mph (56.33 km/h) | 37.19 mph (59.85 km/h) |
| 40 mph (64.37 km/h) | 42.5 mph (68.4 km/h) |
| 45 mph (72.42 km/h) | 47.81 mph (76.94 km/h) |
| 50 mph (80.47 km/h) | 53.12 mph (85.49 km/h) |
| 55 mph (88.51 km/h) | 58.44 mph (94.04 km/h) |
| 60 mph (96.56 km/h) | 63.75 mph (102.59 km/h) |
| 65 mph (104.61 km/h) | 69.06 mph (111.14 km/h) |
| 70 mph (112.65 km/h) | 74.37 mph (119.69 km/h) |
| 75 mph (120.7 km/h) | 79.69 mph (128.24 km/h) |
| 80 mph (128.75 km/h) | 85 mph (136.79 km/h) |
| 85 mph (136.79 km/h) | 90.31 mph (145.34 km/h) |
| 90 mph (144.84 km/h) | 95.62 mph (153.89 km/h) |
| 95 mph (152.89 km/h) | 100.93 mph (162.44 km/h) |
| 100 mph (160.93 km/h) | 106.25 mph (170.99 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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