Decoded notation
295 mm / 40% / R / 21 in
Popular Tire Sizes
295/40R21 Tire Size — Dimensions & Revs
Decode 295/40R21 and calculate nominal width, sidewall, overall diameter, circumference and revolutions.
Calculated dimensions are nominal values based on tire-size notation; actual measured dimensions vary.
Width295 mm
Sidewall height118.0 mm
Rim diameter21 in
Overall diameter769.4 mm
Overall diameter30.29 in
Circumference2417.1 mm
Revolutions per mile665.8
Revolutions per km413.7