File & Data ConvertersPrivate by design
Inches to MM Converter
Enter a value in inches to convert it to millimeters, or switch units to convert the other way.
How to use this tool
- 1Enter a value in inches.
- 2The result in millimeters updates instantly.
- 3Use the swap button to convert millimeters to inches instead.
Frequently asked questions
How many mm is 1 inch?+
1 inch equals exactly 25.4 millimeters.
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