cm to inches Converter – Centimetre to Inches Conversion
Convert centimetres to inches and inches to cm instantly. 1 inch = 2.54 cm exactly.
Conversion Formula
1 inch = 2.54 cm (exact)
inches = cm / 2.54
cm = inches × 2.54
Frequently Asked Questions
1 centimetre equals 0.3937 inches. To convert cm to inches, divide the centimetre value by 2.54.
By international agreement since 1959, one inch is defined as exactly 2.54 centimetres. This makes 2.54 the standard conversion factor used worldwide.