Tire Size Converter

Convert metric tire size to inches to calculate its height, width, sidewall height, circumference and revolutions per mile.

Example: 225/55R16

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Popular Tire Size Conversions

275/50R19 = 29.9x10.8R19
225/55R16 = 25.7x8.9R16
225/40R17 = 24.1x8.9R17
235/30R21 = 26.6x9.3R21
205/55R15 = 23.9x8.1R15
135/60R16 = 22.4x5.3R16
275/25R28 = 33.4x10.8R28
145/90R17 = 27.3x5.7R17
245/40R20 = 27.7x9.6R20
305/35R23 = 31.4x12R23
325/35R20 = 29x12.8R20
295/45R17 = 27.5x11.6R17
145/80R20 = 29.1x5.7R20
305/25R32 = 38x12R32
305/70R15 = 31.9x12R15
305/45R22 = 32.8x12R22
285/70R18 = 33.7x11.2R18
205/45R16 = 23.2x8.1R16
315/40R19 = 28.9x12.4R19
235/55R17 = 27.2x9.3R17