305/70R16 tire size

A 305/70R16 tire is 32.81 in (833.4 mm) tall and 12.01 in (305.0 mm) wide, and turns 615 revolutions per mile.

305/70R16 dimensions
MeasurementInchesMillimeters
Overall diameter32.81 in833.4 mm
Section width12.01 in305.0 mm
Sidewall height8.41 in213.5 mm
Rim diameter16.00 in406.4 mm
Circumference103.08 in2,618 mm
Revolutions per mile615
Flotation equivalent32.8x12.0R16 (approx.)

305/70R16 is a 16-inch tire with a 305 mm (12.01 in) section width and a 70% aspect ratio, giving a 8.41-inch sidewall and a flotation-style size of about 32.8x12.0R16.

Its overall diameter is 32.81 inches, so it rolls 103.1 inches per revolution and turns about 615 times per mile.

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

Compare 305/70R16 with plausible swaps

Sizes within 3% of 32.81 in diameter

Open 305/70R16 in the tire size calculator

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