Centimeters to Inches converter (cm to in)
Convert Centimeters (cm) to Inches (in) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
How to convert Centimeters to Inches
1 centimeter (cm) is equal to 0.393701 inches (in).
1 cm = 0.393701 in
The length L in inches (in) is equal to the length L in centimeters (cm) divided by 2.54:
Example: Convert 20 cm to inches:
L(in) = 20 ÷ 2.54 = 7.874 in
What is a Centimeters?
The centimetre (cm) is 1÷100 of a metre. Clothing sizes, height charts, and school geometry problems commonly use centimetres.
What is a Inches?
The inch (in) is 1÷12 of a foot, defined as exactly 25.4 millimetres. Screens, lumber, and US height measurements use inches.
This page converts length from Centimeters into Inches. One cm equals 0.393701 in.
Centimeters to Inches conversion table
Common cm values and the matching in result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Centimeters (cm) | Inches (in) |
|---|---|
| 0 cm | 0 in |
| 1 cm | 0.393701 in |
| 5 cm | 1.968505 in |
| 10 cm | 3.93701 in |
| 20 cm | 7.87402 in |
| 30 cm | 11.81103 in |
| 40 cm | 15.74804 in |
| 50 cm | 19.68505 in |
| 60 cm | 23.62206 in |
| 70 cm | 27.55907 in |
| 80 cm | 31.49608 in |
| 90 cm | 35.43309 in |
| 100 cm | 39.3701 in |
| 150 cm | 59.05515 in |
| 200 cm | 78.7402 in |
How this calculator works
The form on this page is a Centimeters-to-Inches converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the in result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many in are in 1 cm?
1 cm = 0.393701 in.
How do I convert Centimeters to Inches?
The length L in inches (in) is equal to the length L in centimeters (cm) divided by 2.54:
Is this cm to in converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.