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Mils to Micrometers Converter

Convert mils (mil) to micrometers (µm)

Convert Length

mil

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Result

25.4 µm
Micrometers

1 mil = 25.4 µm

1 mil in other units

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How to convert mils to micrometers

One mil equals 25.4 micrometers, so multiply the number of mils by 25.4.

µm = mil × 25.4

1 mil = 25.4 µm · 1 µm = 0.03937008 mil

Worked example

To convert 5 mils to micrometers: 5 mil × 25.4 = 127 µm.

About mils (mil)

A mil (thou) is one thousandth of an inch, used for the thickness of plastic sheets, coatings and wires.

About micrometers (µm)

A micrometer (micron) is one millionth of a metre, used for cells, fibres and machining tolerances.

More conversions

Micrometers to MilsAll units: Length Converter

Mils to other units

Other units to Micrometers

Frequently asked questions

How many micrometers are in one mil?

One mil equals 25.4 micrometers.

How many mils are in one micrometer?

One micrometer equals 0.03937008 mils.

How do I convert mils to micrometers?

Use the formula µm = mil × 25.4. For example, 5 mil × 25.4 = 127 µm.