Millimeters to Inches

Convert mm to in instantly

Conversion Table

mm	in
1 mm	0.0394 in
5 mm	0.1969 in
10 mm	0.3937 in
25 mm	0.9843 in
50 mm	1.9685 in
100 mm	3.9370 in
250 mm	9.8425 in
500 mm	19.6851 in
1000 mm	39.3701 in

How to Convert Millimeters to Inches

Multiply the value in mm by 0.0393701. For example, 10 mm = 0.3937 in.

FAQ

How many in in 1 mm?

1 mm = 0.0393701 in.

Is this converter accurate?

Yes — uses IEEE 754 double-precision arithmetic, accurate to 15+ significant digits.