275/70R17
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 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% · Good fit
275/70R17 → 265/75R16
265/75R16
Diameter +1.6% · Good fit
275/70R17 → 285/75R16
285/75R16
Diameter −2.1% · Good fit
275/70R17 → 235/80R17
235/80R17
Diameter +1.1% · Good fit
275/70R17 → 245/75R17
245/75R17
Diameter +2.2% · Good fit
275/70R17 → 255/70R17
255/70R17
Diameter +3.5% · Marginal fit — proceed with care
275/70R17 → 255/75R17
255/75R17
Diameter +0.3% · Good fit
275/70R17 → 275/65R17
275/65R17
Diameter +3.5% · Marginal fit — proceed with care
255/75R17 → 275/70R17
255/75R17
Diameter −0.3% · Good fit
235/80R17 → 275/70R17
235/80R17
Diameter −1.1% · Good fit
305/65R17 → 275/70R17
305/65R17
Diameter +1.4% · Good fit
265/70R17 → 275/70R17
265/70R17
Diameter −1.7% · Good fit
285/70R17 → 275/70R17
285/70R17
Diameter +1.7% · Good fit
275/65R17 → 275/70R17
275/65R17
Diameter −3.4% · Marginal fit — proceed with care
245/75R17 → 275/70R17
245/75R17
Diameter −2.1% · Good fit
255/70R17 → 275/70R17
255/70R17
Diameter −3.4% · Marginal fit — proceed with care
275/65R18 → 275/70R17
275/65R18
Diameter −0.3% · Good fit
265/65R17 → 275/70R17
265/65R17
Diameter −5.0% · Marginal fit — proceed with care
245/70R17 → 275/70R17
245/70R17
Diameter −5.1% · Not recommended
305/70R17 → 275/70R17
305/70R17
Diameter +5.1% · Not recommended
255/70R18 → 275/70R17
255/70R18
Diameter −0.3% · Good fit
305/60R18 → 275/70R17
305/60R18
Diameter +0.8% · Good fit
275/70R17 → 285/70R17
285/70R17
Diameter −1.7% · Good fit
275/70R17 → 305/65R17
305/65R17
Diameter −1.4% · Good fit
275/70R17 → 305/70R17
305/70R17
Diameter −4.9% · Marginal fit — proceed with care
275/70R17 → 255/70R18
255/70R18
Diameter +0.3% · Good fit
275/70R17 → 275/65R18
275/65R18
Diameter +0.3% · Good fit
275/70R17 → 305/60R18
305/60R18
Diameter −0.8% · Good fit
275/70R17 → 225/45R17
225/45R17
Diameter +28.8% · Not recommended
Common questions
- What is the overall diameter of a 275/70R17 tire?
- A 275/70R17 tire is about 32.16″ (817 mm) in overall diameter, with a sidewall height of 192.5 mm and a circumference of 101.03″.
- How many revolutions per mile does a 275/70R17 tire turn?
- A 275/70R17 turns roughly 627 revolutions per mile (390 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 275/70R17 mean?
- 275 is the tread width in millimetres, 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.