245/70R17 tire size

A 245/70R17 tire is 30.50 in (774.8 mm) tall and 9.65 in (245.0 mm) wide, and turns 661 revolutions per mile.

245/70R17 dimensions
MeasurementInchesMillimeters
Overall diameter30.50 in774.8 mm
Section width9.65 in245.0 mm
Sidewall height6.75 in171.5 mm
Rim diameter17.00 in431.8 mm
Circumference95.83 in2,434 mm
Revolutions per mile661
Flotation equivalent30.5x9.6R17 (approx.)

245/70R17 is a 17-inch tire with a 245 mm (9.65 in) section width and a 70% aspect ratio, giving a 6.75-inch sidewall and a flotation-style size of about 30.5x9.6R17.

Its overall diameter is 30.50 inches, so it rolls 95.8 inches per revolution and turns about 661 times per mile.

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

Compare 245/70R17 with plausible swaps

Sizes within 3% of 30.50 in diameter

Open 245/70R17 in the tire size calculator

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