Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/55-21 | 275/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.91 (835.9) | 28.58 (725.9) | -4.33 (-110) -13.2% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 103.39 (2626.06) | 89.78 (2280.48) | -13.61 (-345.58) -13.2% |
| Sidewall Height inches (mm) | 5.95 (151.25) | 3.79 (96.25) | -2.17 (-55) -36.4% |
| Revolutions per mile (km) | 612.84 (380.8) | 705.7 (438.5) | 92.87 (57.7) 15.2% |
275/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.37 mph (27.95 km/h) |
| 25 mph (40.23 km/h) | 21.71 mph (34.94 km/h) |
| 30 mph (48.28 km/h) | 26.05 mph (41.93 km/h) |
| 35 mph (56.33 km/h) | 30.39 mph (48.91 km/h) |
| 40 mph (64.37 km/h) | 34.74 mph (55.9 km/h) |
| 45 mph (72.42 km/h) | 39.08 mph (62.89 km/h) |
| 50 mph (80.47 km/h) | 43.42 mph (69.88 km/h) |
| 55 mph (88.51 km/h) | 47.76 mph (76.87 km/h) |
| 60 mph (96.56 km/h) | 52.1 mph (83.85 km/h) |
| 65 mph (104.61 km/h) | 56.45 mph (90.84 km/h) |
| 70 mph (112.65 km/h) | 60.79 mph (97.83 km/h) |
| 75 mph (120.7 km/h) | 65.13 mph (104.82 km/h) |
| 80 mph (128.75 km/h) | 69.47 mph (111.81 km/h) |
| 85 mph (136.79 km/h) | 73.81 mph (118.79 km/h) |
| 90 mph (144.84 km/h) | 78.16 mph (125.78 km/h) |
| 95 mph (152.89 km/h) | 82.5 mph (132.77 km/h) |
| 100 mph (160.93 km/h) | 86.84 mph (139.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1796 | 2086 | 2247 | 2346 | 2453 | 2530 | 2614 | 2713 | 2850 | 2988 | 3141 | 3263 | 3485 | 3729 | 3920 | 4043 | 4111 | 4364 | 4715 | 5479 |
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