Decoded notation
265 mm / 55% / R / 20 in
Popular Tire Sizes
265/55R20 Tire Size — Dimensions & Revs
Decode 265/55R20 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width265 mm
Sidewall height145.8 mm
Rim diameter20 in
Overall diameter799.5 mm
Overall diameter31.48 in
Circumference2511.7 mm
Revolutions per mile640.7
Revolutions per km398.1