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Inches to CM Converter
Convert inches to centimetres instantly with our two-way calculator. One inch equals exactly 2.54 centimetres. Also converts millimetres to inches. Essential for DIY, clothing and international measurements.
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Formula: Inches (in) → Centimetres (cm): Multiply inches by 2.54
🇬🇧 British Context
Inches are still widely used in Britain for TV screens, waist sizes, furniture and home improvement. Understanding the inch-to-cm conversion is essential when shopping from international retailers or reading US product dimensions.
Inches are still widely used in Britain for TV screens, waist sizes, furniture and home improvement. Understanding the inch-to-cm conversion is essential when shopping from international retailers or reading US product dimensions.
Inches to CM — Conversion Table
Frequently Asked Questions
Inches to CM Converter — common questions answered
How many cm is 6 inches?
6 inches is equal to 15.24 centimetres (6 × 2.54 = 15.24 cm).
How many cm is 12 inches?
12 inches (1 foot) is equal to 30.48 centimetres (12 × 2.54 = 30.48 cm).
How many cm is 5 inches?
5 inches is equal to 12.70 centimetres (5 × 2.54 = 12.70 cm).
How do I convert mm to inches?
Divide millimetres by 25.4 to get inches. For example, 100mm ÷ 25.4 = 3.94 inches. Or use 1 inch = 25.4mm.
How many inches is 40cm?
40cm is equal to 15.75 inches (40 ÷ 2.54 = 15.75 in).