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275/70R18 tire size
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33.2" × 10.8"
275/70R18 ≈ 33.2x10.8R18 · approximate, new & unloaded
275/70R18 dimensions
| Measurement | Inches | mm |
|---|---|---|
| Overall diameter | 33.16 | 842 |
| Section width | 10.83 | 275 |
| Sidewall height | 7.58 | 192.5 |
| Wheel diameter | 18 | 457 |
| Circumference | 104.17 | 2646 |
| Revolutions per mile | 608 | |
Sizes close to 275/70R18
| Size | Diameter | Difference | Real speed at 60 mph indicated |
|---|---|---|---|
| 275/60R20 | 32.99" | -0.50% | 59.7 |
| 285/75R16 | 32.83" | -0.99% | 59.4 |
| 285/70R17 | 32.71" | -1.35% | 59.2 |
| 285/65R18 | 32.59" | -1.72% | 59.0 |
| 285/55R20 | 32.34" | -2.46% | 58.5 |
| 275/65R18 | 32.07" | -3.27% | 58.0 |
Diameter only - also check load index, speed rating, wheel width range and clearance with a tire professional.
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FAQ
How tall is a 275/70R18 tire in inches?
A 275/70R18 tire is about 33.2 inches tall (842 mm), 10.8 inches wide, with a 7.6-inch sidewall, for a 18-inch wheel.
What is 275/70R18 in inches (flotation size)?
Roughly 33.2x10.8R18.
How many revolutions per mile does a 275/70R18 tire make?
About 608 revolutions per mile (circumference 104.2 in), new and unloaded.
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