How do I convert millimeters to inches?

Take the value in millimeters and divide by 25.4 (1 inch = 25.4 mm). Or just type the value above — the result updates instantly.

How accurate is the conversion?

Conversions use exact internationally agreed factors and display up to 6 significant digits.

Yes, completely free with no signup required and no limits for normal use.

Convert millimeters to inches online for free. Instant, accurate conversion with a handy reference table — runs in your browser.

Value

From

0.03937

1 millimeters = 0.03937 inches

Quick reference

How do I convert millimeters to inches?: Take the value in millimeters and divide by 25.4 (1 inch = 25.4 mm). Or just type the value above — the result updates instantly.
How accurate is the conversion?: Conversions use exact internationally agreed factors and display up to 6 significant digits.
Is this tool free?: Yes, completely free with no signup required and no limits for normal use.