Millimeters to Inches

Convert millimeters to inches. Live result, plus a quick-reference table for common values.

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⇆ Convert Inches to Millimeters instead

Frequently asked questions

How do I convert millimeters to inches?

Multiply the millimeter value by 0.0393701. So 1 millimeter = 0.03937 in, and the calculator above does it instantly for any number.

How many inches are in a millimeter?

There are 0.03937 inches in one millimeter. The reference table shows the conversion for common values.

Is this mm to in converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.