Quick answer: 1 Inch in Centimeter
1 in equals 2.54 cm. To convert Inch to Centimeter, multiply by 2.54 using the free calculator above — no signup needed.
Length units
Every unit in this category with its exact value. Click any card to open its converter.
About Length Converter
The Length Converter converts between 12 different units, including Meter, Kilometer, Centimeter, Millimeter, Micrometer. The base unit is the Meter, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Meter = 0.001 Kilometer, 100 Centimeter, 1000 Millimeter.
Scale of this category: the smallest unit is the Nanometer (nm) and the largest is the Light Year (ly).
Last updated: 2026-09-15
Length conversion factors
| Unit | Symbol | Value in Meter |
|---|---|---|
| Meter | m | 1 m = 1 m |
| Kilometer | km | 1 km = 1000 m |
| Centimeter | cm | 1 cm = 0.01 m |
| Millimeter | mm | 1 mm = 0.001 m |
| Micrometer | µm | 1 µm = 0.000001 m |
| Nanometer | nm | 1 nm = 0.000000001 m |
| Mile | mi | 1 mi = 1609.34 m |
| Yard | yd | 1 yd = 0.9144 m |
| Foot / Feet | ft | 1 ft = 0.3048 m |
| Inch | in | 1 in = 0.0254 m |
| Nautical Mile | nmi | 1 nmi = 1852 m |
| Light Year | ly | 1 ly = 9460730472580800 m |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Inch in Centimeter?
- Multiply 1 by the conversion factor 2.54
- 1 Inch = 2.54 Centimeter
How much is 5 Inch in Centimeter?
- Multiply 5 by the conversion factor 2.54
- 5 Inch = 12.7 Centimeter
How much is 25 Inch in Centimeter?
- Multiply 25 by the conversion factor 2.54
- 25 Inch = 63.5 Centimeter
Quick Conversion Reference Table
| Inch (in) | Centimeter (cm) |
|---|---|
| 1 in (Inch) | 2.54 cm (Centimeter) |
| 2 in (Inch) | 5.08 cm (Centimeter) |
| 5 in (Inch) | 12.7 cm (Centimeter) |
| 10 in (Inch) | 25.4 cm (Centimeter) |
| 20 in (Inch) | 50.8 cm (Centimeter) |
| 50 in (Inch) | 127 cm (Centimeter) |
| 100 in (Inch) | 254 cm (Centimeter) |
| 500 in (Inch) | 1270 cm (Centimeter) |
| 1000 in (Inch) | 2540 cm (Centimeter) |
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How to Use This Converter
- Enter your value
Type any number into the input field above. The result updates instantly as you type — no button needed.
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FAQ
How much is 1 Inch in Centimeter?
1 Inch = 2.54 Centimeter.
How do I convert Inch to Centimeter?
Enter your value in Inch into the converter above and the result in Centimeter appears instantly. 1 in equals 2.54 cm — just multiply your value by 2.54.
What is the formula for Inch to Centimeter?
The formula is: value in Centimeter = value in Inch × 2.54. For example, 5 in × 2.54 = 12.7 cm.
Is this Inch to Centimeter converter free and accurate?
Yes. This Inch to Centimeter converter is 100% free, uses the exact international conversion factor (2.54), and works on any device with no signup.
How do I convert Centimeter back to Inch?
To convert back, divide by 2.54 (or multiply by 0.393701). You can also use our dedicated How Many Inch in 1 Centimeter? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Length units are supported?
This converter supports 12 units: Meter, Kilometer, Centimeter, Millimeter, Micrometer, Nanometer, Mile, Yard, Foot / Feet, Inch, Nautical Mile, Light Year.