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Millimeter to Inch

Convert Millimeter to Inch and get the exact value instantly.

About this conversion

To convert Millimeter to Inch, multiply the number of Millimeter by 0.03937007874.

Length units straddle the metric and imperial systems, so everyday jobs (measuring a room, reading a map, or following a recipe from another country) often need a quick conversion between meters, feet, miles and inches.

Conversion table

Millimeter (mm)Inch (in)
1 mm0.03937007874 in
2 mm0.07874015748 in
5 mm0.1968503937 in
10 mm0.3937007874 in
100 mm3.937007874 in

How to use this converter

  1. Enter your Millimeter value

    Type any number into the Millimeter field. It starts at 1 so you can read the rate straight away.

  2. Read the Inch result

    The amount in Inch updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Inch are in one Millimeter?
One Millimeter equals 0.03937007874 in. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Millimeter to Inch conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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