Quick answer: 1 in = 2.54 cm
About the Inches to Centimetres
There are 2.54 centimetres in one inche, so to convert inches to centimetres multiply by 2.54.
The table below lists common values; type any number above for an exact result.
How to convert inches to centimetres (in to cm)
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
inches to centimetres conversion table
| in | cm |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 75 in | 190.5 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
How it's calculated
cm = in × 2.54
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
How many centimetres are in 1 inche?
1 in = 2.54 cm.
How many inches are in 1 centimetre?
1 cm = 0.39370079 in.
Is the Inches to Centimetres free?
Yes, the Inches to Centimetres is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.