275/70R17
A 275/70R17 tire is 32.16 inches tall and 10.8 inches wide, with a 7.58-inch sidewall, mounted on a 17-inch wheel.
Overall diameter
32.16″
817 mm
Sidewall height
7.58″
192.5 mm
Tread width
275 mm
10.8″
Circumference
101.03″
8.4 ft
Revs per mile
627
390 per km
Wheel diameter
17″
aspect ratio 70%
Cross-section
- Overall diameter
- 32.16″
- Sidewall (each side)
- 7.58″
- Wheel
- 17″
275/70R17 in inches and millimeters
Every dimension of a 275/70R17, converted both ways. Calculated from the size code, accurate to about 1%.
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter (height) | 32.16″ | 817 mm |
| Tread width | 10.8″ | 275 mm |
| Sidewall height | 7.58″ | 192.5 mm |
| Wheel diameter | 17″ | 432 mm |
| Circumference | 101.03″ | 2566 mm |
Nominal dimensions from the size code. A real tire varies by a few millimeters between manufacturers, and a loaded tire sits slightly shorter than its free diameter.
275/70R17 compared with other sizes
All 29 practical swaps involving 275/70R17 — diameter change, speedometer impact and a fit verdict for each.
275/70R17 → 265/70R17
265/70R17
Diameter +1.7% · This fits
275/70R17 → 265/75R16
265/75R16
Diameter +1.6% · This fits
275/70R17 → 285/75R16
285/75R16
Diameter −2.1% · This fits
275/70R17 → 235/80R17
235/80R17
Diameter +1.1% · This fits
275/70R17 → 245/75R17
245/75R17
Diameter +2.2% · This fits
275/70R17 → 255/70R17
255/70R17
Diameter +3.5% · Borderline. Check clearance first
275/70R17 → 255/75R17
255/75R17
Diameter +0.3% · This fits
275/70R17 → 275/65R17
275/65R17
Diameter +3.5% · Borderline. Check clearance first
255/75R17 → 275/70R17
255/75R17
Diameter −0.3% · This fits
235/80R17 → 275/70R17
235/80R17
Diameter −1.1% · This fits
305/65R17 → 275/70R17
305/65R17
Diameter +1.4% · This fits
265/70R17 → 275/70R17
265/70R17
Diameter −1.7% · This fits
285/70R17 → 275/70R17
285/70R17
Diameter +1.7% · This fits
275/65R17 → 275/70R17
275/65R17
Diameter −3.4% · Borderline. Check clearance first
245/75R17 → 275/70R17
245/75R17
Diameter −2.1% · This fits
255/70R17 → 275/70R17
255/70R17
Diameter −3.4% · Borderline. Check clearance first
275/65R18 → 275/70R17
275/65R18
Diameter −0.3% · This fits
265/65R17 → 275/70R17
265/65R17
Diameter −5.0% · Borderline. Check clearance first
245/70R17 → 275/70R17
245/70R17
Diameter −5.1% · Too big a jump
305/70R17 → 275/70R17
305/70R17
Diameter +5.1% · Too big a jump
255/70R18 → 275/70R17
255/70R18
Diameter −0.3% · This fits
305/60R18 → 275/70R17
305/60R18
Diameter +0.8% · This fits
275/70R17 → 285/70R17
285/70R17
Diameter −1.7% · This fits
275/70R17 → 305/65R17
305/65R17
Diameter −1.4% · This fits
275/70R17 → 305/70R17
305/70R17
Diameter −4.9% · Borderline. Check clearance first
275/70R17 → 255/70R18
255/70R18
Diameter +0.3% · This fits
275/70R17 → 275/65R18
275/65R18
Diameter +0.3% · This fits
275/70R17 → 305/60R18
305/60R18
Diameter −0.8% · This fits
275/70R17 → 225/45R17
225/45R17
Diameter +28.8% · Too big a jump
Common questions
- What is 275/70R17 in inches?
- A 275/70R17 tire is 32.16 inches tall and 10.8 inches wide, with a 7.58-inch sidewall, mounted on a 17-inch wheel. In metric that is 817 mm tall and 275 mm wide. The circumference is 101.03 inches.
- How tall is a 275/70R17 tire?
- 32.16 inches, or 817 mm. That is the overall diameter, wheel included. It turns about 627 times per mile, which is what your speedometer counts.
- What do the numbers in 275/70R17 mean?
- 275 is the tread width in millimeters, 70 is the aspect ratio — the sidewall height as a percentage of the tread width — and 17 is the wheel diameter in inches. So the sidewall is 275 × 70% = 192.5 mm tall.