What is a inch?
An inch is a US customary and imperial length unit equal to exactly 2.54 centimeters. Twelve inches equal one foot.
How to convert inchs
To convert inches, multiply the inch value by the factor for the target unit.
Unit conversion reference
Inch Conversion Calculator & Table
Convert inches to feet, centimeters, millimeters, meters and yards. See exact factors, common values and the live length converter.
Convert inchs
The live converter uses the same standard factor system as MAXScanner’s full Length Converter.
2.54 cm
1 in
Length conversion uses standard metric and customary conversion factors.
Common inch conversions
These values are calculated from the same factors shown above, so the table is a quick reference rather than a separate set of rounded constants.
| in | ft | cm | mm | m |
|---|---|---|---|---|
| 1 | 0.08333333 | 2.54 | 25.4 | 0.0254 |
| 2 | 0.16666667 | 5.08 | 50.8 | 0.0508 |
| 5 | 0.41666667 | 12.7 | 127 | 0.127 |
| 10 | 0.83333333 | 25.4 | 254 | 0.254 |
| 25 | 2.08333333 | 63.5 | 635 | 0.635 |
| 50 | 4.16666667 | 127 | 1,270 | 1.27 |
| 100 | 8.33333333 | 254 | 2,540 | 2.54 |
1. Enter the measurement
Type the number of inchs you have.
2. Choose the destination
Pick the unit required by the drawing, form, specification or calculation.
3. Verify the result
Use the factor or common-value table when you need to double-check the conversion.
Frequently asked questions
What is a inch?
An inch is a US customary and imperial length unit equal to exactly 2.54 centimeters. Twelve inches equal one foot.
How do I convert inchs?
To convert inches, multiply the inch value by the factor for the target unit.
Can I convert another length value?
Yes. Use the live Length Converter on this page for any supported source and target unit, or open the full converter for the complete unit list.
Related unit references
Need a different unit?
Open the full Length Converter for every supported unit in this family. Unit conversion changes how the same measurement is expressed; it does not change the underlying physical quantity.
Open Length Converter