13-inch tire sizes

9 common 13-inch sizes, from 155/70R13 at 21.54 in to 175/80R13 at 24.02 in overall diameter, sorted shortest to tallest below.

The median 13-inch size in this list by overall diameter is 175/70R13 at 22.65 in, turning 891 times per mile.

Section widths run from 145 mm to 185 mm, and the most frequent aspect ratio here is 70% (4 sizes).

13-inch tire sizes sorted by overall diameter
SizeDiameterWidthSidewallRev/mile
155/70R1321.54 in6.10 in4.27 in936
185/60R1321.74 in7.28 in4.37 in928
165/70R1322.09 in6.50 in4.55 in913
145/80R1322.13 in5.71 in4.57 in911
175/70R1322.65 in6.89 in4.82 in891
155/80R1322.76 in6.10 in4.88 in886
185/70R1323.20 in7.28 in5.10 in869
165/80R1323.39 in6.50 in5.20 in862
175/80R1324.02 in6.89 in5.51 in840

Common 13-inch comparisons

Plus-size options from 13-inch

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