Inches to Centimeters converter (in to cm)
Convert Inches (in) to Centimeters (cm) 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 Inches to Centimeters
1 inch (in) is equal to 2.54 centimeters (cm).
1 in = 2.54 cm
The length L in centimeters (cm) is equal to the length L in inches (in) multiplied by 2.54:
Example: Convert 5 in to cm:
L(cm) = 5 × 2.54 = 12.7 cm
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.
What is a Centimeters?
The centimetre (cm) is 1÷100 of a metre. Clothing sizes, height charts, and school geometry problems commonly use centimetres.
This page converts length from Inches into Centimeters. One in equals 2.54 cm.
Inches to Centimeters conversion table
Common in values and the matching cm result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Inches (in) | Centimeters (cm) |
|---|---|
| 0 in | 0 cm |
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 6 in | 15.24 cm |
| 12 in | 30.48 cm |
| 18 in | 45.72 cm |
| 24 in | 60.96 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
| 42 in | 106.68 cm |
| 48 in | 121.92 cm |
| 54 in | 137.16 cm |
| 60 in | 152.4 cm |
| 72 in | 182.88 cm |
| 84 in | 213.36 cm |
| 96 in | 243.84 cm |
| 108 in | 274.32 cm |
| 120 in | 304.8 cm |
How this calculator works
The form on this page is a Inches-to-Centimeters converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the cm 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 cm are in 1 in?
1 in = 2.54 cm.
How do I convert Inches to Centimeters?
The length L in centimeters (cm) is equal to the length L in inches (in) multiplied by 2.54:
Is this in to cm 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.