Inches to centimetres

Inches to centimetres table

How to convert inches to centimetres

One inch is 2.54 centimetres, and one centimetre is 0.3937 inches. So to turn inches into centimetres, multiply by 2.54. For example, 12 inches × 2.54 = 30.48 centimetres.

Where the numbers come from

Imperial units are defined in law as exact amounts of metric ones. These are the definitions this converter uses:

• A yard in metres: 0.914 m per yard. Source: Weights and Measures Act 1985, Schedule 1.
• Inches in a yard: 36 inches per yard. Source: Weights and Measures Act 1985, Schedule 1.

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More converters

• Millimetres to inches
• Inches to millimetres
• Feet to metres
• Metres to feet
• Centimetres to feet and inches
• Feet and inches to centimetres

Work out something else

• Centimetres to inches
  Convert cm to inches, with the sum shown.
• Millimetres to inches
  Convert mm to inches, with the sum shown.
• Inches to millimetres
  Convert inches to mm, with the sum shown.