Convert Millimeter (mm) to Inch (in)

1 mm = 0.0393701 in

Unit conversion from Millimeter to Inch. Use the reference table and formula below to convert Millimeter ⇄ Inch at a glance.

Formula: 1 mm = 0.0393701 in

Reference table

MillimeterInch
1 mm0.0393701 in
2 mm0.0787402 in
3 mm0.11811 in
5 mm0.19685 in
10 mm0.393701 in
20 mm0.787402 in
50 mm1.9685 in
100 mm3.93701 in

About this conversion

Length conversions come up for height, furniture, TV and screen sizes, DIY projects and international shopping.

Frequently asked questions

How do I convert mm to in?

Use the formula "1 mm = 0.0393701 in". For example, 10 mm = 0.393701 in.

How many mm are in 1 in?

1 in = 25.4 mm (the reverse Inch → Millimeter conversion).

What is the difference between metric and imperial length?

Meters, centimeters and millimeters are SI (metric) units, while inches, feet and yards are imperial units. UniCalc converts freely between the two systems.

Related conversions