SidewallerTire & wheel calculators

18 inch tire sizes

Common sizes that fit a 18-inch wheel, sorted by overall diameter, from 25.0″ to 35.0″ tall.

13″14″15″16″17″18″19″20″21″22″24″

36 sizes for 18″ wheels

SizeDiameterWidthSidewallWheel
255/35R1825.0″10.0″3.5″18″
225/40R1825.1″8.9″3.5″18″
265/35R1825.3″10.4″3.7″18″
235/40R1825.4″9.3″3.7″18″
275/35R1825.6″10.8″3.8″18″
215/45R1825.6″8.5″3.8″18″
245/40R1825.7″9.6″3.9″18″
225/45R1826.0″8.9″4.0″18″
255/40R1826.0″10.0″4.0″18″
235/45R1826.3″9.3″4.2″18″
275/40R1826.7″10.8″4.3″18″
245/45R1826.7″9.6″4.3″18″
255/45R1827.0″10.0″4.5″18″
235/50R1827.3″9.3″4.6″18″
215/55R1827.3″8.5″4.7″18″
245/50R1827.6″9.6″4.8″18″
225/55R1827.7″8.9″4.9″18″
235/55R1828.2″9.3″5.1″18″
225/60R1828.6″8.9″5.3″18″
255/55R1829.0″10.0″5.5″18″
235/60R1829.1″9.3″5.6″18″
245/60R1829.6″9.6″5.8″18″
235/65R1830.0″9.3″6.0″18″
255/60R1830.0″10.0″6.0″18″
265/60R1830.5″10.4″6.3″18″
255/65R1831.1″10.0″6.5″18″
265/65R1831.6″10.4″6.8″18″
255/70R1832.1″10.0″7.0″18″
275/65R1832.1″10.8″7.0″18″
285/65R1832.6″11.2″7.3″18″
265/70R1832.6″10.4″7.3″18″
33x12.50R1833.0″12.5″7.5″18″
275/70R1833.2″10.8″7.6″18″
295/70R1834.3″11.6″8.1″18″
285/75R1834.8″11.2″8.4″18″
35x12.50R1835.0″12.5″8.5″18″