195/55R15 tire size

A 195/55R15 tire is 23.44 in (595.5 mm) tall and 7.68 in (195.0 mm) wide, and turns 860 revolutions per mile.

195/55R15 dimensions
MeasurementInchesMillimeters
Overall diameter23.44 in595.5 mm
Section width7.68 in195.0 mm
Sidewall height4.22 in107.3 mm
Rim diameter15.00 in381.0 mm
Circumference73.65 in1,871 mm
Revolutions per mile860
Flotation equivalent23.4x7.7R15 (approx.)

195/55R15 is a 15-inch tire with a 195 mm (7.68 in) section width and a 55% aspect ratio, giving a 4.22-inch sidewall and a flotation-style size of about 23.4x7.7R15.

Its overall diameter is 23.44 inches, so it rolls 73.7 inches per revolution and turns about 860 times per mile.

33 other sizes in this list are within 3% of that diameter.

Compare 195/55R15 with plausible swaps

Sizes within 3% of 23.44 in diameter

Open 195/55R15 in the tire size calculator

Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.