Inches to Centimeters Converter
Convert inches to centimeters instantly. Type a value, change either unit, or press swap to go the other way. 1 inch = 2.54 centimeters.
1 inch = 2.54 centimeters
How to convert inches to centimeters
centimeters = inches × 2.54
To convert inches to centimeters, multiply the value by 2.54. To go back from centimeters to inches, divide by the same number (or multiply by 0.3937007874).
Worked examples
- 5 in: 5 × 2.54 = 12.7 cm
- 6 in: 6 × 2.54 = 15.24 cm
- 10 in: 10 × 2.54 = 25.4 cm
Multiply by 2.5 for a quick estimate, then add 1.6 percent for accuracy. Ten inches is almost exactly 25.4 cm.
Inches to Centimeters conversion table
Inches to Centimeters
| in | cm |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 5 | 12.7 |
| 6 | 15.24 |
| 10 | 25.4 |
| 12 | 30.48 |
| 24 | 60.96 |
| 36 | 91.44 |
| 48 | 121.92 |
| 60 | 152.4 |
Centimeters to Inches
| cm | in |
|---|---|
| 1 | 0.39370079 |
| 2 | 0.78740157 |
| 5 | 1.9685039 |
| 6 | 2.3622047 |
| 10 | 3.9370079 |
| 12 | 4.7244094 |
| 24 | 9.4488189 |
| 36 | 14.173228 |
| 48 | 18.897638 |
| 60 | 23.622047 |
Distance equivalents
See how one inch and one centimeter compare with every other distance unit on the site.
1 inch equals
| Unit | Value |
|---|---|
| millimeters (mm) | 25.4 |
| centimeters (cm) | 2.54 |
| meters (m) | 0.0254 |
| kilometers (km) | 0.0000254 |
| feet (ft) | 0.08333333 |
| yards (yd) | 0.02777778 |
| miles (mi) | 0.0000157828 |
| nautical miles (nmi) | 0.0000137149 |
1 centimeter equals
| Unit | Value |
|---|---|
| millimeters (mm) | 10 |
| meters (m) | 0.01 |
| kilometers (km) | 0.00001 |
| inches (in) | 0.3937008 |
| feet (ft) | 0.0328084 |
| yards (yd) | 0.01093613 |
| miles (mi) | 6.213712 × 10-6 |
| nautical miles (nmi) | 5.399568 × 10-6 |
When you need to convert inches to centimeters
Screen sizes, picture frames, tire widths, luggage limits and furniture are all sold in inches, but tape measures and sewing patterns in much of the world use centimeters. Converting accurately matters when you are checking whether a sofa fits through a doorway or whether a bag meets an airline's size limit.
About the units
Inch (in)
An inch is defined as exactly 25.4 millimeters. It is used for screen sizes, tire and pipe sizes, and for person height in the United States.
Centimeter (cm)
A centimeter is one hundredth of a meter, about the width of a fingernail. It is the standard unit for body height, clothing measurements and furniture dimensions outside the US.
Frequently asked questions
How do I convert inches to centimeters?
Multiply the number of inches by 2.54. For example, 10 inches × 2.54 = 25.4 centimeters.
How many centimeters are in one inch?
There are 2.54 centimeters in one inch.
How many inches are in one centimeter?
There are 0.3937007874 inches in one centimeter.
Is an inch exactly 2.54 centimeters?
Yes. Since the international yard and pound agreement of 1959, one inch has been defined as exactly 25.4 millimeters, so the factor 2.54 is exact and not a rounded value.
Can I convert other distance units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any distance unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.