275/35R20
Overall diameter
27.58″
701 mm
Sidewall height
3.79″
96.3 mm
Tread width
275 mm
10.8″
Circumference
86.64″
7.2 ft
Revs per mile
731
454 per km
Wheel diameter
20″
aspect ratio 35%
Cross-section
- Overall diameter
- 27.58″
- Sidewall (each side)
- 3.79″
- Wheel
- 20″
275/35R20 compared with other sizes
All 26 practical swaps involving 275/35R20 — diameter change, speedometer impact and a fit verdict for each.
275/35R20 → 245/45R19
245/45R19
Diameter −0.4% · Good fit
275/35R20 → 275/40R19
275/40R19
Diameter −0.3% · Good fit
275/35R20 → 245/35R20
245/35R20
Diameter +3.1% · Marginal fit — proceed with care
275/35R20 → 255/35R20
255/35R20
Diameter +2.0% · Good fit
275/35R20 → 255/45R20
255/45R20
Diameter −5.0% · Not recommended
275/35R20 → 295/35R20
295/35R20
Diameter −2.0% · Good fit
275/35R20 → 235/45R19
235/45R19
Diameter +0.9% · Good fit
275/35R20 → 245/40R20
245/40R20
Diameter −0.5% · Good fit
275/35R20 → 245/45R20
245/45R20
Diameter −3.8% · Marginal fit — proceed with care
275/35R20 → 265/35R20
265/35R20
Diameter +1.0% · Good fit
245/40R20 → 275/35R20
245/40R20
Diameter +0.5% · Good fit
265/35R20 → 275/35R20
265/35R20
Diameter −1.0% · Good fit
255/35R20 → 275/35R20
255/35R20
Diameter −2.0% · Good fit
295/35R20 → 275/35R20
295/35R20
Diameter +2.0% · Good fit
275/40R20 → 275/35R20
275/40R20
Diameter +3.9% · Marginal fit — proceed with care
245/35R20 → 275/35R20
245/35R20
Diameter −3.0% · Good fit
245/45R20 → 275/35R20
245/45R20
Diameter +4.0% · Marginal fit — proceed with care
275/40R19 → 275/35R20
275/40R19
Diameter +0.3% · Good fit
255/45R20 → 275/35R20
255/45R20
Diameter +5.3% · Not recommended
245/45R19 → 275/35R20
245/45R19
Diameter +0.4% · Good fit
235/45R19 → 275/35R20
235/45R19
Diameter −0.9% · Good fit
235/50R18 → 275/35R20
235/50R18
Diameter −1.2% · Good fit
255/45R19 → 275/35R20
255/45R19
Diameter +1.7% · Good fit
255/45R18 → 275/35R20
255/45R18
Diameter −2.0% · Good fit
275/35R20 → 275/40R20
275/40R20
Diameter −3.8% · Marginal fit — proceed with care
275/35R20 → 275/55R20
275/55R20
Diameter −13.6% · Not recommended
Common questions
- What is the overall diameter of a 275/35R20 tire?
- A 275/35R20 tire is about 27.58″ (701 mm) in overall diameter, with a sidewall height of 96.3 mm and a circumference of 86.64″.
- How many revolutions per mile does a 275/35R20 tire turn?
- A 275/35R20 turns roughly 731 revolutions per mile (454 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 275/35R20 mean?
- 275 is the tread width in millimetres, 35 is the aspect ratio — the sidewall height as a percentage of the tread width — and 20 is the wheel diameter in inches. So the sidewall is 275 × 35% = 96.3 mm tall.