Tire Size Converter

Convert metric tire sizes to inches.

Example: 255/45R17

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R

Tire Section Width
Tire Side
Tire Circumference
Metric Inches
Overall Diameter
Tread Width
Aspect Ratio
Rim Diameter
Sidewall Height
Circumference
Revolutions

Popular Tire Size Conversions

225/40R18 = 25.1x8.9R18
265/75R15 = 30.7x10.4R15
235/55R16 = 26.1x9.3R16
215/60R17 = 27.2x8.5R17
335/30R18 = 25.9x13.2R18
255/70R18 = 32.1x10R18
195/65R13 = 23x7.7R13
195R14 = 26.3x7.7R14
205/75R14 = 26.1x8.1R14
295/65R16 = 31.1x11.6R16
205/40R16 = 22.4x8.1R16
225/35R17 = 23.2x8.9R17
305/25R26 = 32x12R26
275/40R18 = 26.7x10.8R18
215/65R17 = 28x8.5R17
285/45R18 = 28.1x11.2R18
295/40R19 = 28.3x11.6R19
235/55R19 = 29.2x9.3R19
305/60R18 = 32.4x12R18
265/30R18 = 24.3x10.4R18