What does 225/55R18 mean?

225 is the section width in millimeters, 55 is the sidewall height as a percent of that width (124 mm here), R means radial and 18 is the wheel diameter in inches. Overall the tire stands 27.7 inches tall.

Will 225/55R18 fit your car?

Pick your year, make and model and the tires page answers it for yours. The wheel width has to carry the section width and the overall height has to stay near where the car started.

What wheel width fits 225/55R18?

The tire makers list 5.5 to 9 inch rim widths across the 225 mm sizes we carry, and each product page shows the range for that line. Pick an 18 inch wheel set and the tire step checks the width for you.

225/55R18 tires

32 tire lines. 225/55R18 tires sized to your wheels and your car.

About 225/55R18 tires

A 225/55R18 is 225 mm wide with a 124 mm sidewall (55 series) on an 18 inch wheel, 27.7 inches tall overall. A tire size only makes sense next to a wheel width and a car. 225/55R18 mounts on a range of widths, and the overall height decides whether the speedometer and the fender stay happy.

32 lines carry 225/55R18, from 14 brands (Falken, Continental Tire, Michelin, Toyo and 10 more). By type that is 18 all season, 6 all terrain and 1 highway. The tire has to stay near your car's stock height and mount on your wheel width, so pick the car and the wheel set and the page keeps only the 225/55R18 lines that do both.

Common questions

What does 225/55R18 mean?: 225 is the section width in millimeters, 55 is the sidewall height as a percent of that width (124 mm here), R means radial and 18 is the wheel diameter in inches. Overall the tire stands 27.7 inches tall.
Will 225/55R18 fit your car?: Pick your year, make and model and the tires page answers it for yours. The wheel width has to carry the section width and the overall height has to stay near where the car started.
What wheel width fits 225/55R18?: The tire makers list 5.5 to 9 inch rim widths across the 225 mm sizes we carry, and each product page shows the range for that line. Pick an 18 inch wheel set and the tire step checks the width for you.