SidewallerTire & wheel calculators

225/60R18 tire size

A 225/60R18 tire is 28.6 inches (727 mm) tall and 8.9 inches (225 mm) wide, and fits a 18-inch wheel. In inch sizing it is about a 28.6x8.9R18.

Overall diameter28.63in727 mm
InchesMillimetres
Section width8.86 in225 mm
Sidewall height5.31 in135 mm
Wheel diameter18 in457 mm
Circumference89.9 in2285 mm
Revs per mile / km704438
28.6 in 8.9 inSideTread
Drawn to scale from the nominal size.

Shop 225/60R18 tires

Opens the store’s own search

Prices and stock change often, so check a few stores. We don’t earn anything from these links.

Compare 225/60R18 with

Sizes within 3% of 225/60R18

SizeDiameterDifferenceWidthSidewallWheel
245/50R1928.6″+0.1%9.6″4.8″19″
275/40R2028.7″+0.1%10.8″4.3″20″
245/45R2028.7″+0.2%9.6″4.3″20″
275/35R2128.6″−0.2%10.8″3.8″21″
215/75R1628.7″+0.2%8.5″6.3″16″
225/55R1928.7″+0.4%8.9″4.9″19″
275/45R1928.7″+0.4%10.8″4.9″19″
225/65R1728.5″−0.4%8.9″5.8″17″
285/35R2128.9″+0.8%11.2″3.9″21″
225/70R1628.4″−0.8%8.9″6.2″16″
235/75R1528.9″+0.9%9.3″6.9″15″
235/45R2028.3″−1.1%9.3″4.2″20″

Within 3% of the original diameter is the range most tire shops treat as a direct swap. Check load index and clearance too.

What 225/60R18 means

225
Section width: 225 mm (8.9 in) from sidewall to sidewall.
60
Aspect ratio: the sidewall is 60% as tall as the tire is wide, 135 mm (5.3 in).
R
Radial construction, used by almost every modern tire.
18
Fits a 18-inch wheel.

225/60R18 questions

What is 225/60R18 in inches?

225/60R18 is about 28.6 inches tall and 8.9 inches wide, on a 18-inch wheel, roughly a 28.6x8.9R18 in inch sizing.

Is 225/60R18 a 29 inch tire?

Nearly. It measures 28.6 inches, so it falls between 28 and 29 inches.

What size can replace 225/60R18?

245/50R19, 275/40R20, 245/45R20 are the closest common sizes, all within 0.2% of its diameter, so the speedometer stays close to accurate.

How much bigger is 245/60R18?

245/60R18 is 3.3% taller, so at an indicated 60 mph you would really be doing 62.0 mph. Compare 225/60R18 and 245/60R18.

How many revolutions per mile does 225/60R18 make?

About 704 per mile (438 per km), from a 89.9-inch circumference.

Other 18-inch tire sizes