235/30R18 Tire Size in Inches

235/30R18 is a metric tire size representation, which defines that the tires have a width of 235 mm, 30 is the aspect ratio and a rim diameter of 18 inches. In the imperial system the tire size 235/30R18 equates to a 23.6×9.3R18 that is commonly used in the automotive industry. So Converting 235/30R18 in inches the tires have a length of 23.6 inches, a width of 9.3 inches, a sidewall height of 2.8 inches and The number of complete resolutions made by the corresponding tire size is equal to 855 per mile with a circumference of 74.1 inches.

235/30R18 tire size in inches

Tire Diameter23.6 inches599 mm
Tread Width9.3 inches235 mm
Rim Diameter18 inches457 mm
Sidewall Height2.8 inches71 mm
Circumference74.1 inches1881 mm
Revolutions855 per mile532 per km

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235/30R18 Equivalent Tire Sizes for replacement

If you are replacing your tires, always keep in mind that they are compatible with your vehicle so that the impact on the overall performance of your vehicle can be reduced. Here we have listed some tire size that is equivalent to 235/30R18 tires.

Tire Size Overall Diameter Difference
165/40R18 23.2″ (589 mm) -1.7%
195/35R18 23.3″ (593 mm) -1%
225/30R18 23.3″ (593 mm) -1%
205/35R18 23.7″ (601 mm) 0.3%
245/30R18 23.8″ (605 mm) 1%
125/60R18 23.9″ (607 mm) 1.3%
215/35R18 23.9″ (607 mm) 1.3%
255/30R18 24.1″ (611 mm) 2%
225/35R18 24.2″ (615 mm) 2.7%
175/45R18 24.2″ (615 mm) 2.7%

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