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

295/50R20 = 31.7x11.6R20
265/35R20 = 27.3x10.4R20
235/75R17 = 30.9x9.3R17
175/70R14 = 23.7x6.9R14
305/60R18 = 32.4x12R18
225/85R16 = 31x8.9R16
345/30R19 = 27.2x13.6R19
305/50R22 = 34.1x12R22
235/30R21 = 26.6x9.3R21
285/75R18 = 34.8x11.2R18
275/65R20 = 34.1x10.8R20
275/55R18 = 29.9x10.8R18
125/80R15 = 22.9x4.9R15
145/80R14 = 23.1x5.7R14
275/35R19 = 26.6x10.8R19
255/35R18 = 25x10R18
175/55R16 = 23.5x6.9R16
135/90R17 = 26.6x5.3R17
195R14 = 26.3x7.7R14
275/55R22 = 33.9x10.8R22