How to convert inches to millimeters
To convert inches to millimeters, multiply the value by 25.4.
Inches to millimeters chart
| Inches | Millimeters |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 25 in | 635 mm |
| 50 in | 1270 mm |
| 100 in | 2540 mm |
| 500 in | 12700 mm |
| 1000 in | 25400 mm |
How many millimeters are in 1 inch?
1 inch = 25.4 millimeters.
Need the opposite? Try millimeter to inches.
About this inch to millimeters converter
Convert inches (in) to millimeters (mm) instantly with a free online converter, formula and conversion table. It works instantly on any phone or computer, needs no download and costs nothing.
Frequently asked questions
Is the Inch to Millimeters Converter free to use?
Yes. The Inch to Millimeters Converter on QuickKit is completely free, with no sign-up needed.
Is my data safe when I use the Inch to Millimeters Converter?
Yes. Everything runs inside your browser, so what you type or upload is never sent to our servers.
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