tiresizeinches.com

Inch → metric

31-inch tire sizes in metric

inches, 23–42

Showing 31 in. Change the target and the list follows.

Metric sizes that measure 31 in

82sizes

82 marketed sizes measure within ±3% of 31 in. The table lists up to three per wheel, most searched first; the most searched of all is 265/70R17, at 31.61 in.

A 31-inch tire and its tolerance window, drawn to scaleA solid ring at 31.00 in overall diameter, two dashed rings marking the tolerance window this page searches, 30.07 in and 31.93 in, and a dotted ring for the closest size in the table, 285/40R22 at 30.98 in.31.00 intarget 31.00 inwindow 30.07 to 31.93 in285/40R22 · 30.98 in
The 31 in target with its tolerance window and the closest size in the table drawn around it, at one scale.

The most searched sizes that measure 31 inches, by wheel

Where every equivalent size falls inside the tolerance bandA horizontal scale running from three percent under to three percent over the 31-inch overall diameter of 31.00 in. Each of the 21 sizes in the table is drawn as a tick at its own difference; the pointer marks 285/40R22 at −0.08%. Every plotted value is a row of the table below.−3−2−10123SHORTERTALLER285/40R22 · −0.08%
The scale is percent difference in overall diameter against 31.00 in. Every mark is a row of the table below, at its own distance from it.
Marketed sizes within ±3% of 31.00 in overall diameter, grouped by wheel, up to three on each, most searched first.
Metric size Overall diameterin Difference vs 31.00 in% of diameter, then inches
15-inch wheel
265/75R1530.65−1.13% −0.35 in
285/75R1531.83+2.68% +0.83 in
275/75R1531.24+0.77% +0.24 in
16-inch wheel
265/75R1631.65+2.10% +0.65 in
245/75R1630.47−1.71% −0.53 in
265/70R1630.61−1.27% −0.39 in
17-inch wheel
265/70R1731.61+1.96% +0.61 in
245/75R1731.47+1.51% +0.47 in
265/65R1730.56−1.41% −0.44 in
18-inch wheel
265/65R1831.56+1.82% +0.56 in
265/60R1830.52−1.55% −0.48 in
285/60R1831.46+1.50% +0.46 in
19-inch wheel
255/60R1931.05+0.15% +0.05 in
265/55R1930.48−1.69% −0.52 in
20-inch wheel
275/55R2031.91+2.93% +0.91 in
285/50R2031.22+0.71% +0.22 in
265/50R2030.43−1.83% −0.57 in
21-inch wheel
275/45R2130.74−0.83% −0.26 in
22-inch wheel
305/40R2231.61+1.96% +0.61 in
275/45R2231.74+2.40% +0.74 in
285/40R2230.98−0.08% −0.02 in