275/35R20 Tire Size Specifications & Compatible Vehicles
Overall Diameter
700.5 mm
Section Width
275 mm
Sidewall Height
96.3 mm
Circumference
2200.7 mm
Revs/Mile
731
Rim Diameter
20"
Inch Equivalent
27.6x10.8R20
Rim Width (ETRTO)
8.5" – 11.0"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 275/35R20 and may be used as replacements:
Understanding 275/35R20
The tire size 275/35R20 means the tire has a section width of 275mm, an aspect ratio of 35% (the sidewall height is 35% of the width), and fits a 20-inch rim.
Sidewall Height = 275 x 0.35 = 96.3 mm
Overall Diameter = (96.3 x 2) + (20 x 25.4) = 700.5 mm
Circumference = 700.5 x π = 2200.7 mm
Overall Diameter = (96.3 x 2) + (20 x 25.4) = 700.5 mm
Circumference = 700.5 x π = 2200.7 mm
Frequently Asked Questions
The 275/35R20 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 275/35R20 tire has an overall diameter of 700.5mm (27.6 inches). The sidewall height is 96.3mm, and the total circumference is 2201mm.
For 275/35R20 tires, the ETRTO recommended rim width is 9.5". The acceptable range is 8.5" minimum to 11.0" maximum. Using a rim outside this range can cause improper bead seating and unsafe handling.
Yes, as long as the replacement tire overall diameter is within 3% of the 275/35R20 700.5mm diameter. Compatible alternatives include 175/55R20, 335/25R21, 185/45R21. Use our Tire Size Calculator to compare any two sizes.