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Choose what your account keeps in step on every device where you are signed in.

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    Always synced: the tools on your board, their order and size.

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  • Keeps your pipeline and saved recipes on all your devices. Your files are never synced – only the steps and settings.

Turning something off removes it from your account straight away. Your devices keep their own copy.

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Your choice is stored in this browser only. Notifications never show personal content such as a message or a number. They work while a Synsi tab is open; closed tabs get none.

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Convert Inches to Centimetres (in to cm)

Convert inches to centimetres instantly – one inch is exactly 2.54 cm.

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Result –

Runs in your browser – your data never leaves your device Also available via our free API

Conversion table: Inches (in) to Centimetres (cm)

Inches (in) Centimetres (cm)
1 2.54
2 5.08
3 7.62
5 12.7
10 25.4
15 38.1
20 50.8
25 63.5
50 127
75 190.5
100 254
250 635
500 1,270
1,000 2,540

How to use the Inches to Centimetres

  1. 1 Choose a category, such as length or temperature.
  2. 2 Enter the value and pick the unit to convert from and to.
  3. 3 Read the result; use the ⇄ button to swap the units.

Formula

centimetres = inches × 2.54

Since 1959 the inch has been defined internationally as exactly 25.4 millimetres, so this conversion is exact.

Feet and inches

Heights are often given in feet and inches, such as 5′10″. Convert the feet to inches first (5 × 12 = 60, plus 10 = 70 inches) and multiply by 2.54: 70 × 2.54 = 177.8 cm.

Frequently asked questions

How many cm is 1 inch?

Exactly 2.54 cm.

How many cm is 12 inches?

12 inches (one foot) is 30.48 cm.

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