265/70R15
Overall diameter
29.61″
752 mm
Sidewall height
7.30″
185.5 mm
Tread width
265 mm
10.4″
Circumference
93.01″
7.8 ft
Revs per mile
681
423 per km
Wheel diameter
15″
aspect ratio 70%
Cross-section
- Overall diameter
- 29.61″
- Sidewall (each side)
- 7.30″
- Wheel
- 15″
265/70R15 compared with other sizes
All 21 practical swaps involving 265/70R15 — diameter change, speedometer impact and a fit verdict for each.
265/70R15 → 235/75R15
235/75R15
Diameter +2.5% · Good fit
265/75R15 → 265/70R15
265/75R15
Diameter +3.5% · Marginal fit — proceed with care
235/75R15 → 265/70R15
235/75R15
Diameter −2.5% · Good fit
245/65R17 → 265/70R15
245/65R17
Diameter −0.2% · Good fit
245/70R16 → 265/70R15
245/70R16
Diameter −0.3% · Good fit
225/75R16 → 265/70R15
225/75R16
Diameter −1.1% · Good fit
255/65R17 → 265/70R15
255/65R17
Diameter +1.5% · Good fit
255/70R16 → 265/70R15
255/70R16
Diameter +1.5% · Good fit
235/65R17 → 265/70R15
235/65R17
Diameter −2.0% · Good fit
265/65R17 → 265/70R15
265/65R17
Diameter +3.2% · Marginal fit — proceed with care
265/70R16 → 265/70R15
265/70R16
Diameter +3.4% · Marginal fit — proceed with care
235/70R16 → 265/70R15
235/70R16
Diameter −2.2% · Good fit
245/75R16 → 265/70R15
245/75R16
Diameter +2.9% · Good fit
245/70R17 → 265/70R15
245/70R17
Diameter +3.0% · Marginal fit — proceed with care
225/65R17 → 265/70R15
225/65R17
Diameter −3.7% · Marginal fit — proceed with care
265/70R15 → 265/75R15
265/75R15
Diameter −3.4% · Marginal fit — proceed with care
265/70R15 → 225/75R16
225/75R16
Diameter +1.1% · Good fit
265/70R15 → 245/70R16
245/70R16
Diameter +0.3% · Good fit
265/70R15 → 255/70R16
255/70R16
Diameter −1.5% · Good fit
265/70R15 → 245/65R17
245/65R17
Diameter +0.2% · Good fit
265/70R15 → 195/65R15
195/65R15
Diameter +18.5% · Not recommended
Common questions
- What is the overall diameter of a 265/70R15 tire?
- A 265/70R15 tire is about 29.61″ (752 mm) in overall diameter, with a sidewall height of 185.5 mm and a circumference of 93.01″.
- How many revolutions per mile does a 265/70R15 tire turn?
- A 265/70R15 turns roughly 681 revolutions per mile (423 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 265/70R15 mean?
- 265 is the tread width in millimetres, 70 is the aspect ratio — the sidewall height as a percentage of the tread width — and 15 is the wheel diameter in inches. So the sidewall is 265 × 70% = 185.5 mm tall.