Unit
Inches to CM Converter
Inches
in
Centimetres
cm
About this tool
Convert inches and centimetres instantly
The Inches to Centimetres Converter converts in both directions — type inches to get centimetres, or type centimetres to get inches. The conversion updates live as you type, with no button needed.
The relationship between inches and centimetres is exact: 1 inch = 2.54 centimetres, defined internationally since 1959. Going the other way, 1 centimetre = 0.3937 inches.
Common uses:
- Height — Converting personal height between imperial (5'11") and metric (180 cm) systems.
- Screen sizes — TV and monitor sizes are measured diagonally in inches; EU specs often list cm.
- Clothing — Waist, chest, and inseam measurements vary between US (inches) and EU (cm) sizing.
- DIY & construction — Building materials and tools often use different unit systems by country.
Example
Convert 5 feet 11 inches to centimetres (a common height).
First, convert to total inches: 5 × 12 + 11 = 71 inches.
Then multiply: 71 × 2.54 = 180.34 cm.
Going the other way: to convert 180 cm to inches, divide by 2.54: 180 ÷ 2.54 ≈ 70.87 inches = 5 feet 10.87 inches ≈ 5'11".