Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-22 | 275/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.26 (717.8) | 28.66 (728) | 0.4 (10.2) 1.4% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 88.78 (2255.04) | 90.04 (2287.08) | 1.26 (32.04) 1.4% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 4.33 (110) | 1.2 (30.5) 38.4% |
| Revolutions per mile (km) | 713.67 (443.45) | 703.67 (437.24) | -10 (-6.21) -1.4% |
275/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.28 mph (32.64 km/h) |
| 25 mph (40.23 km/h) | 25.36 mph (40.81 km/h) |
| 30 mph (48.28 km/h) | 30.43 mph (48.97 km/h) |
| 35 mph (56.33 km/h) | 35.5 mph (57.13 km/h) |
| 40 mph (64.37 km/h) | 40.57 mph (65.29 km/h) |
| 45 mph (72.42 km/h) | 45.64 mph (73.45 km/h) |
| 50 mph (80.47 km/h) | 50.71 mph (81.61 km/h) |
| 55 mph (88.51 km/h) | 55.78 mph (89.77 km/h) |
| 60 mph (96.56 km/h) | 60.85 mph (97.93 km/h) |
| 65 mph (104.61 km/h) | 65.92 mph (106.09 km/h) |
| 70 mph (112.65 km/h) | 70.99 mph (114.26 km/h) |
| 75 mph (120.7 km/h) | 76.07 mph (122.42 km/h) |
| 80 mph (128.75 km/h) | 81.14 mph (130.58 km/h) |
| 85 mph (136.79 km/h) | 86.21 mph (138.74 km/h) |
| 90 mph (144.84 km/h) | 91.28 mph (146.9 km/h) |
| 95 mph (152.89 km/h) | 96.35 mph (155.06 km/h) |
| 100 mph (160.93 km/h) | 101.42 mph (163.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1791 | 2080 | 2240 | 2339 | 2446 | 2522 | 2606 | 2705 | 2842 | 2979 | 3132 | 3254 | 3475 | 3719 | 3909 | 4031 | 4100 | 4351 | 4702 | 5464 |
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