Decoded notation
265 mm / 50% / R / 21 in
Popular Tire Sizes
265/50R21 Tire Size — Dimensions & Revs
Decode 265/50R21 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 height132.5 mm
Rim diameter21 in
Overall diameter798.4 mm
Overall diameter31.43 in
Circumference2508.2 mm
Revolutions per mile641.6
Revolutions per km398.7