Convert micrometers to mm

Conversion Calculator

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How to convert micrometers to mm: Enter a value in the micrometers field and click on the "Calculate mm" button. Your answer will appear in the mm field.

Conversion Definitions

The following is a list of definitions relating to conversions between micrometers and millimeters.

What is a micrometer (μm)?

A micrometer is a unit of Length or Distance in the Metric System. The symbol for micrometer is μm. There are 1,000 micrometers in a millimeter. The International spelling for this unit is micrometre.

What is a millimeter (mm)?

A millimeter is a unit of Length or Distance in the Metric System. The symbol for millimeter is mm. There are 0.001 millimeters in a micrometer. The International spelling for this unit is millimetre.

Conversion Formula

Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from micrometers to mm is:

mm = micrometers ÷ 1,000

Conversion Example

Next, let's look at an example showing the work and calculations that are involved in converting from micrometers to millimeters (μm to mm).

Micrometer to Millimeter Conversion Example

Task: Convert 125,000 micrometers to millimeters (show work)

Formula:
micrometers ÷ 1,000 = mm

Calculations:
125,000 micrometers ÷ 1,000 = 125 mm

Result:
125,000 micrometers is equal to 125 mm

Conversion Table

For quick reference purposes, below is a conversion table that you can use to convert from micrometers to mm.

Micrometers to Millimeters Conversion Chart

micrometers (μm)	millimeters (mm)
1 μm	0.001 mm
2 μm	0.002 mm
3 μm	0.003 mm
4 μm	0.004 mm
5 μm	0.005 mm
6 μm	0.006 mm
7 μm	0.007 mm
8 μm	0.008 mm
9 μm	0.009 mm
10 μm	0.01 mm
20 μm	0.02 mm
30 μm	0.03 mm
40 μm	0.04 mm
50 μm	0.05 mm
75 μm	0.075 mm
100 μm	0.1 mm
250 μm	0.25 mm
500 μm	0.5 mm
750 μm	0.75 mm
1,000 μm	1 mm
2,500 μm	2.5 mm
5,000 μm	5 mm
7,500 μm	7.5 mm
10,000 μm	10 mm
25,000 μm	25 mm
50,000 μm	50 mm
75,000 μm	75 mm
100,000 μm	100 mm
250,000 μm	250 mm

Related Units

This table provides a summary of the Length or Distance units within their respective measurement systems.

Unit	Symbol	Measurement System	Description
inches	in or "	US Customary Units/Imperial System	36 inches = 1 yard
feet	ft or '	US Customary Units/Imperial System	1 foot = 12 inches
yards	yd	US Customary Units/Imperial System	1 yard = 3 feet
miles	mi	US Customary Units/Imperial System	1 mile = 1760 yards or 5280 feet
picometers	pm	Metric System	1 m = 1,000,000,000,000 pm
nanometers	nm	Metric System	1 m = 1,000,000,000 nm
micrometers	μm	Metric System	1 m = 1,000,000 μm
millimeters	mm	Metric System	1 m = 1,000 mm
centimeters	cm	Metric System	1 m = 100 cm
decimeters	dm	Metric System	1 m = 10 dm
meters	m	Metric System	base unit
decameters	dam or dkm	Metric System	1 dam = 10 m
hectometers	hm	Metric System	1 hm = 100 m
kilometers	km	Metric System	1 km = 1,000 m
megameters	Mm	Metric System	1 Mm = 1,000,000 m
gigameters	Gm	Metric System	1 Gm = 1,000,000,000 m
nautical miles	M or NM or nmi	Non-SI (International)	1 nmi = 1,852 meters
angstroms	Å	Non-SI (International)	10,000,000,000 Å = 1 m
rods	rod	Non-SI (International)	320 rods = 1 mile

Note: For Length and Distance conversions, US Customary Units and the Imperial System are equivalent.

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