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

255/75R15 = 30x10R15
215/80R15 = 28.5x8.5R15
195R15 = 27.3x7.7R15
195/45R15 = 21.9x7.7R15
225/75R14.5 = 27.8x8.9R14.5
375/50R18 = 32.8x14.8R18
305/25R23 = 29x12R23
285/40R20 = 29x11.2R20
285/60R20 = 33.5x11.2R20
315/55R16 = 29.6x12.4R16
165/65R14 = 22.4x6.5R14
275/65R20 = 34.1x10.8R20
155/55R14 = 20.7x6.1R14
225/65R16 = 27.5x8.9R16
305/60R17 = 31.4x12R17
295/65R20 = 35.1x11.6R20
245/45R19 = 27.7x9.6R19
245/45R18 = 26.7x9.6R18
355/60R20 = 36.8x14R20
265/60R15 = 27.5x10.4R15