Convert Micrometer to Millimeter Online

About Micrometer to Millimeter Conversion

This converter converts Micrometer (µm) to Millimeter (mm). One Micrometer (µm) equals 0.001 Millimeter (mm).

Formula:

1 Micrometer (µm) = 0.001 Millimeter (mm)

Example:

1 µm = 0.001 mm
2 µm = 0.002 mm

Micrometer (µm) to Millimeter (mm) Conversion

A clear guide to converting Micrometer into Millimeter. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Millimeter = Micrometer × 0.001

To convert Micrometer (µm) to Millimeter (mm), multiply the value by 0.001. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 µm to mm.

  • Step 1: Write the formula: mm = µm × 0.001
  • Step 2: Substitute: 1 × 0.001
  • Step 3: Result: 0.001 mm
So, 1 µm = 0.001 mm.

About the Units

Micrometer (µm)

One Micrometer (µm) equals 0.001 Millimeter (mm)

Common in nanotechnology, optical physics, and semiconductor design.

Millimeter (mm)

One Millimeter (mm) equals 1000 Micrometer (µm)

Common in precision engineering and laboratory measurement.

Where This Conversion Is Used

  • Converting values from Micrometer to Millimeter for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Millimeter representation.
  • Applied when comparing different measurement systems across tools and documents.

Frequently Asked Questions

How many Millimeter (mm) are in 1 Micrometer (µm)?

1 µm = 0.001 mm.

What is the formula for converting Micrometer (µm) to Millimeter (mm)?

Multiply the µm value by 0.001.

Can I reverse the conversion?

Yes. 1 mm = 1000 µm.

Conclusion

By applying the conversion factor shown above, you can reliably convert Micrometer (µm) to Millimeter (mm) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Micrometer to Other Units

Micrometer to Inch

1 µm = 0.00003937007874015748 in

1 Micrometer (µm) = 0.00003937007874015748 Inch (in)

1 micrometer equals 0.00003937007874015748 inch.

Micrometer to Foot

1 µm = 0.000003280839895013123 ft

1 Micrometer (µm) = 0.000003280839895013123 Foot (ft)

1 micrometer equals 0.000003280839895013123 foot.

Micrometer to Feet

1 µm = 0.000003280839895013123 ft

1 Micrometer (µm) = 0.000003280839895013123 Feet (ft)

1 micrometer equals 0.000003280839895013123 feet.

Micrometer to Centimeter

1 µm = 0.00009999999999999999 cm

1 Micrometer (µm) = 0.00009999999999999999 Centimeter (cm)

1 micrometer equals 0.00009999999999999999 centimeter.

Micrometer to Meter

1 µm = 0.000001 m

1 Micrometer (µm) = 0.000001 Meter (m)

1 micrometer equals 0.000001 meter.

Micrometer to Kilometer

1 µm = 9.999999999999999e-10 km

1 Micrometer (µm) = 9.999999999999999e-10 Kilometer (km)

1 micrometer equals 9.999999999999999e-10 kilometer.

Micrometer to Millimeter

1 µm = 0.001 mm

1 Micrometer (µm) = 0.001 Millimeter (mm)

1 micrometer equals 0.001 millimeter.

Micrometer to Yard

1 µm = 0.0000010936132983377078 yd

1 Micrometer (µm) = 0.0000010936132983377078 Yard (yd)

1 micrometer equals 0.0000010936132983377078 yard.

Micrometer to Yoctometer

1 µm = 1000000000000000000 ym

1 Micrometer (µm) = 1000000000000000000 Yoctometers (ym)

1 micrometer equals 1000000000000000000 yoctometers.

Micrometer to Zeptometer

1 µm = 1000000000000000 zm

1 Micrometer (µm) = 1000000000000000 Zeptometers (zm)

1 micrometer equals 1000000000000000 zeptometers.

Micrometer to Attometer

1 µm = 999999999999.9999 am

1 Micrometer (µm) = 999999999999.9999 Attometers (am)

1 micrometer equals 999999999999.9999 attometers.

Micrometer to Femtometer

1 µm = 999999999.9999999 fm

1 Micrometer (µm) = 999999999.9999999 Femtometers (fm)

1 micrometer equals 999999999.9999999 femtometers.

Micrometer to Picometer

1 µm = 1000000 pm

1 Micrometer (µm) = 1000000 Picometers (pm)

1 micrometer equals 1000000 picometers.

Micrometer to Nanometer

1 µm = 999.9999999999999 nm

1 Micrometer (µm) = 999.9999999999999 Nanometers (nm)

1 micrometer equals 999.9999999999999 nanometers.

Micrometer to Decimeter

1 µm = 0.000009999999999999999 dm

1 Micrometer (µm) = 0.000009999999999999999 Decimeter (dm)

1 micrometer equals 0.000009999999999999999 decimeter.

Micrometer to Decameter

1 µm = 1e-7 dam

1 Micrometer (µm) = 1e-7 Decameter (dam)

1 micrometer equals 1e-7 decameter.

Micrometer to Hectometer

1 µm = 1e-8 hm

1 Micrometer (µm) = 1e-8 Hectometer (hm)

1 micrometer equals 1e-8 hectometer.

Micrometer to Megameter

1 µm = 1e-12 Mm

1 Micrometer (µm) = 1e-12 Megameter (Mm)

1 micrometer equals 1e-12 megameter.

Micrometer to Gigameter

1 µm = 9.999999999999999e-16 Gm

1 Micrometer (µm) = 9.999999999999999e-16 Gigameter (Gm)

1 micrometer equals 9.999999999999999e-16 gigameter.

Micrometer to Terameter

1 µm = 9.999999999999999e-19 Tm

1 Micrometer (µm) = 9.999999999999999e-19 Terameter (Tm)

1 micrometer equals 9.999999999999999e-19 terameter.

Micrometer to Petameter

1 µm = 1e-21 Pm

1 Micrometer (µm) = 1e-21 Petameter (Pm)

1 micrometer equals 1e-21 petameter.

Micrometer to Exameter

1 µm = 1e-24 Em

1 Micrometer (µm) = 1e-24 Exameter (Em)

1 micrometer equals 1e-24 exameter.

Micrometer to Zettameter

1 µm = 1e-27 Zm

1 Micrometer (µm) = 1e-27 Zettameter (Zm)

1 micrometer equals 1e-27 zettameter.

Micrometer to Yottameter

1 µm = 9.999999999999999e-31 Ym

1 Micrometer (µm) = 9.999999999999999e-31 Yottameter (Ym)

1 micrometer equals 9.999999999999999e-31 yottameter.

Micrometer to Cubit

1 µm = 0.0000021872265966754155 cubit

1 Micrometer (µm) = 0.0000021872265966754155 Cubit (cubit)

1 micrometer equals 0.0000021872265966754155 cubit.

Micrometer to Span

1 µm = 0.000004374453193350831 span

1 Micrometer (µm) = 0.000004374453193350831 Span (span)

1 micrometer equals 0.000004374453193350831 span.

Micrometer to Hand

1 µm = 0.00000984251968503937 hh

1 Micrometer (µm) = 0.00000984251968503937 Hand (hh)

1 micrometer equals 0.00000984251968503937 hand.

Micrometer to Palm

1 µm = 0.000013123359580052492 palm

1 Micrometer (µm) = 0.000013123359580052492 Palm (palm)

1 micrometer equals 0.000013123359580052492 palm.

Micrometer to Digit

1 µm = 0.00005249343832020997 digit

1 Micrometer (µm) = 0.00005249343832020997 Digit (digit)

1 micrometer equals 0.00005249343832020997 digit.

Micrometer to Link

1 µm = 0.000004970969537898671 link

1 Micrometer (µm) = 0.000004970969537898671 Link (link)

1 micrometer equals 0.000004970969537898671 link.

Micrometer to Ell

1 µm = 8.748906386701662e-7 ell

1 Micrometer (µm) = 8.748906386701662e-7 Ell (ell)

1 micrometer equals 8.748906386701662e-7 ell.

Micrometer to Barleycorn

1 µm = 0.00011806375442739078 barleycorn

1 Micrometer (µm) = 0.00011806375442739078 Barleycorn (barleycorn)

1 micrometer equals 0.00011806375442739078 barleycorn.

Micrometer to Astronomical Unit

1 µm = 6.684587122268445e-18 AU

1 Micrometer (µm) = 6.684587122268445e-18 Astronomical Unit (AU)

1 micrometer equals 6.684587122268445e-18 Astronomicalunit.

Micrometer to Light-Second

1 µm = 3.3356409519815205e-15 ls

1 Micrometer (µm) = 3.3356409519815205e-15 Light-Second (ls)

1 micrometer equals 3.3356409519815205e-15 Light-Second.

Micrometer to Light-Minute

1 µm = 5.559401586635867e-17 lm

1 Micrometer (µm) = 5.559401586635867e-17 Light-Minute (lm)

1 micrometer equals 5.559401586635867e-17 Light-Minute.

Micrometer to Light-Hour

1 µm = 9.265669309342726e-19 lh

1 Micrometer (µm) = 9.265669309342726e-19 Light-Hour (lh)

1 micrometer equals 9.265669309342726e-19 Light-Hour.

Micrometer to Light-Day

1 µm = 3.8606955464537675e-20 ld

1 Micrometer (µm) = 3.8606955464537675e-20 Light-Day (ld)

1 micrometer equals 3.8606955464537675e-20 Light-Day.

Micrometer to Light-Year

1 µm = 1.0570008340246154e-22 ly

1 Micrometer (µm) = 1.0570008340246154e-22 Light-Year (ly)

1 micrometer equals 1.0570008340246154e-22 Light-Year.

Micrometer to Parsec

1 µm = 3.240779289444362e-23 pc

1 Micrometer (µm) = 3.240779289444362e-23 Parsec (pc)

1 micrometer equals 3.240779289444362e-23 Parsec.

Micrometer to Kiloparsec

1 µm = 3.240779289444362e-26 kpc

1 Micrometer (µm) = 3.240779289444362e-26 Kiloparsec (kpc)

1 micrometer equals 3.240779289444362e-26 Kiloparsec.

Micrometer to Megaparsec

1 µm = 3.240779289444362e-29 Mpc

1 Micrometer (µm) = 3.240779289444362e-29 Megaparsec (Mpc)

1 micrometer equals 3.240779289444362e-29 Megaparsec.

Micrometer to Gigaparsec

1 µm = 3.240779289444362e-32 Gpc

1 Micrometer (µm) = 3.240779289444362e-32 Gigaparsec (Gpc)

1 micrometer equals 3.240779289444362e-32 Gigaparsec.

Micrometer to Nautical Mile

1 µm = 5.399568034557235e-10 NM

1 Micrometer (µm) = 5.399568034557235e-10 Nautical Mile (NM)

1 micrometer equals 5.399568034557235e-10 Nautical Mile.

Micrometer to Fathom

1 µm = 5.468066491688539e-7 ftm

1 Micrometer (µm) = 5.468066491688539e-7 Fathom (ftm)

1 micrometer equals 5.468066491688539e-7 fathom.

Micrometer to Cable Length

1 µm = 4.5567220764071155e-9 cable

1 Micrometer (µm) = 4.5567220764071155e-9 Cable Length (cable)

1 micrometer equals 4.5567220764071155e-9 Cable Length .

Micrometer to Nautical League

1 µm = 1.7998560115190785e-10 NL

1 Micrometer (µm) = 1.7998560115190785e-10 Nautical League (NL)

1 micrometer equals 1.7998560115190785e-10 Nautical League.

Micrometer to Thou

1 µm = 0.03937007874015748 mil

1 Micrometer (µm) = 0.03937007874015748 Thou (mil)

1 micrometer equals 0.03937007874015748 thou.

Micrometer to Rod

1 µm = 1.9883878151594685e-7 rd

1 Micrometer (µm) = 1.9883878151594685e-7 Rod (rd)

1 micrometer equals 1.9883878151594685e-7 rod.

Micrometer to Chain

1 µm = 4.970969537898671e-8 ch

1 Micrometer (µm) = 4.970969537898671e-8 Chain (ch)

1 micrometer equals 4.970969537898671e-8 chain.

Micrometer to Furlong

1 µm = 4.970969537898672e-9 fur

1 Micrometer (µm) = 4.970969537898672e-9 Furlong (fur)

1 micrometer equals 4.970969537898672e-9 furlong.

Micrometer to Mile

1 µm = 6.21371192237334e-10 mi

1 Micrometer (µm) = 6.21371192237334e-10 Mile (mi)

1 micrometer equals 6.21371192237334e-10 mile.

Micrometer to League

1 µm = 2.0712373074577797e-10 lea

1 Micrometer (µm) = 2.0712373074577797e-10 League (lea)

1 micrometer equals 2.0712373074577797e-10 league.

Convert Millimeter to Other Units

Millimeter to Inch

1 mm = 0.03937007874015748 in

1 Millimeter (mm) = 0.03937007874015748 Inch (in)

1 millimeter equals 0.03937007874015748 inch.

Millimeter to Foot

1 mm = 0.0032808398950131233 ft

1 Millimeter (mm) = 0.0032808398950131233 Foot (ft)

1 millimeter equals 0.0032808398950131233 foot.

Millimeter to Feet

1 mm = 0.0032808398950131233 ft

1 Millimeter (mm) = 0.0032808398950131233 Feet (ft)

1 millimeter equals 0.0032808398950131233 feet.

Millimeter to Centimeter

1 mm = 0.1 cm

1 Millimeter (mm) = 0.1 Centimeter (cm)

1 millimeter equals 0.1 centimeter.

Millimeter to Meter

1 mm = 0.001 m

1 Millimeter (mm) = 0.001 Meter (m)

1 millimeter equals 0.001 meter.

Millimeter to Kilometer

1 mm = 0.000001 km

1 Millimeter (mm) = 0.000001 Kilometer (km)

1 millimeter equals 0.000001 kilometer.

Millimeter to Yard

1 mm = 0.0010936132983377078 yd

1 Millimeter (mm) = 0.0010936132983377078 Yard (yd)

1 millimeter equals 0.0010936132983377078 yard.

Millimeter to Yoctometer

1 mm = 1.0000000000000001e+21 ym

1 Millimeter (mm) = 1.0000000000000001e+21 Yoctometers (ym)

1 millimeter equals 1.0000000000000001e+21 yoctometers.

Millimeter to Zeptometer

1 mm = 1000000000000000100 zm

1 Millimeter (mm) = 1000000000000000100 Zeptometers (zm)

1 millimeter equals 1000000000000000100 zeptometers.

Millimeter to Attometer

1 mm = 1000000000000000 am

1 Millimeter (mm) = 1000000000000000 Attometers (am)

1 millimeter equals 1000000000000000 attometers.

Millimeter to Femtometer

1 mm = 1000000000000 fm

1 Millimeter (mm) = 1000000000000 Femtometers (fm)

1 millimeter equals 1000000000000 femtometers.

Millimeter to Picometer

1 mm = 1000000000 pm

1 Millimeter (mm) = 1000000000 Picometers (pm)

1 millimeter equals 1000000000 picometers.

Millimeter to Nanometer

1 mm = 1000000 nm

1 Millimeter (mm) = 1000000 Nanometers (nm)

1 millimeter equals 1000000 nanometers.

Millimeter to Micrometer

1 mm = 1000.0000000000001 µm

1 Millimeter (mm) = 1000.0000000000001 Micrometers (µm)

1 millimeter equals 1000.0000000000001 micrometers.

Millimeter to Decimeter

1 mm = 0.01 dm

1 Millimeter (mm) = 0.01 Decimeter (dm)

1 millimeter equals 0.01 decimeter.

Millimeter to Decameter

1 mm = 0.0001 dam

1 Millimeter (mm) = 0.0001 Decameter (dam)

1 millimeter equals 0.0001 decameter.

Millimeter to Hectometer

1 mm = 0.00001 hm

1 Millimeter (mm) = 0.00001 Hectometer (hm)

1 millimeter equals 0.00001 hectometer.

Millimeter to Megameter

1 mm = 1e-9 Mm

1 Millimeter (mm) = 1e-9 Megameter (Mm)

1 millimeter equals 1e-9 megameter.

Millimeter to Gigameter

1 mm = 1e-12 Gm

1 Millimeter (mm) = 1e-12 Gigameter (Gm)

1 millimeter equals 1e-12 gigameter.

Millimeter to Terameter

1 mm = 1e-15 Tm

1 Millimeter (mm) = 1e-15 Terameter (Tm)

1 millimeter equals 1e-15 terameter.

Millimeter to Petameter

1 mm = 1e-18 Pm

1 Millimeter (mm) = 1e-18 Petameter (Pm)

1 millimeter equals 1e-18 petameter.

Millimeter to Exameter

1 mm = 1.0000000000000001e-21 Em

1 Millimeter (mm) = 1.0000000000000001e-21 Exameter (Em)

1 millimeter equals 1.0000000000000001e-21 exameter.

Millimeter to Zettameter

1 mm = 1.0000000000000001e-24 Zm

1 Millimeter (mm) = 1.0000000000000001e-24 Zettameter (Zm)

1 millimeter equals 1.0000000000000001e-24 zettameter.

Millimeter to Yottameter

1 mm = 1e-27 Ym

1 Millimeter (mm) = 1e-27 Yottameter (Ym)

1 millimeter equals 1e-27 yottameter.

Millimeter to Cubit

1 mm = 0.0021872265966754157 cubit

1 Millimeter (mm) = 0.0021872265966754157 Cubit (cubit)

1 millimeter equals 0.0021872265966754157 cubit.

Millimeter to Span

1 mm = 0.004374453193350831 span

1 Millimeter (mm) = 0.004374453193350831 Span (span)

1 millimeter equals 0.004374453193350831 span.

Millimeter to Hand

1 mm = 0.00984251968503937 hh

1 Millimeter (mm) = 0.00984251968503937 Hand (hh)

1 millimeter equals 0.00984251968503937 hand.

Millimeter to Palm

1 mm = 0.013123359580052493 palm

1 Millimeter (mm) = 0.013123359580052493 Palm (palm)

1 millimeter equals 0.013123359580052493 palm.

Millimeter to Digit

1 mm = 0.05249343832020997 digit

1 Millimeter (mm) = 0.05249343832020997 Digit (digit)

1 millimeter equals 0.05249343832020997 digit.

Millimeter to Link

1 mm = 0.004970969537898671 link

1 Millimeter (mm) = 0.004970969537898671 Link (link)

1 millimeter equals 0.004970969537898671 link.

Millimeter to Ell

1 mm = 0.0008748906386701663 ell

1 Millimeter (mm) = 0.0008748906386701663 Ell (ell)

1 millimeter equals 0.0008748906386701663 ell.

Millimeter to Barleycorn

1 mm = 0.1180637544273908 barleycorn

1 Millimeter (mm) = 0.1180637544273908 Barleycorn (barleycorn)

1 millimeter equals 0.1180637544273908 barleycorn.

Millimeter to Astronomical Unit

1 mm = 6.684587122268446e-15 AU

1 Millimeter (mm) = 6.684587122268446e-15 Astronomical Unit (AU)

1 millimeter equals 6.684587122268446e-15 Astronomicalunit.

Millimeter to Light-Second

1 mm = 3.3356409519815207e-12 ls

1 Millimeter (mm) = 3.3356409519815207e-12 Light-Second (ls)

1 millimeter equals 3.3356409519815207e-12 Light-Second.

Millimeter to Light-Minute

1 mm = 5.559401586635868e-14 lm

1 Millimeter (mm) = 5.559401586635868e-14 Light-Minute (lm)

1 millimeter equals 5.559401586635868e-14 Light-Minute.

Millimeter to Light-Hour

1 mm = 9.265669309342728e-16 lh

1 Millimeter (mm) = 9.265669309342728e-16 Light-Hour (lh)

1 millimeter equals 9.265669309342728e-16 Light-Hour.

Millimeter to Light-Day

1 mm = 3.860695546453768e-17 ld

1 Millimeter (mm) = 3.860695546453768e-17 Light-Day (ld)

1 millimeter equals 3.860695546453768e-17 Light-Day.

Millimeter to Light-Year

1 mm = 1.0570008340246155e-19 ly

1 Millimeter (mm) = 1.0570008340246155e-19 Light-Year (ly)

1 millimeter equals 1.0570008340246155e-19 Light-Year.

Millimeter to Parsec

1 mm = 3.2407792894443624e-20 pc

1 Millimeter (mm) = 3.2407792894443624e-20 Parsec (pc)

1 millimeter equals 3.2407792894443624e-20 Parsec.

Millimeter to Kiloparsec

1 mm = 3.2407792894443625e-23 kpc

1 Millimeter (mm) = 3.2407792894443625e-23 Kiloparsec (kpc)

1 millimeter equals 3.2407792894443625e-23 Kiloparsec.

Millimeter to Megaparsec

1 mm = 3.240779289444362e-26 Mpc

1 Millimeter (mm) = 3.240779289444362e-26 Megaparsec (Mpc)

1 millimeter equals 3.240779289444362e-26 Megaparsec.

Millimeter to Gigaparsec

1 mm = 3.2407792894443624e-29 Gpc

1 Millimeter (mm) = 3.2407792894443624e-29 Gigaparsec (Gpc)

1 millimeter equals 3.2407792894443624e-29 Gigaparsec.

Millimeter to Nautical Mile

1 mm = 5.399568034557235e-7 NM

1 Millimeter (mm) = 5.399568034557235e-7 Nautical Mile (NM)

1 millimeter equals 5.399568034557235e-7 Nautical Mile.

Millimeter to Fathom

1 mm = 0.0005468066491688539 ftm

1 Millimeter (mm) = 0.0005468066491688539 Fathom (ftm)

1 millimeter equals 0.0005468066491688539 fathom.

Millimeter to Cable Length

1 mm = 0.000004556722076407116 cable

1 Millimeter (mm) = 0.000004556722076407116 Cable Length (cable)

1 millimeter equals 0.000004556722076407116 Cable Length .

Millimeter to Nautical League

1 mm = 1.7998560115190786e-7 NL

1 Millimeter (mm) = 1.7998560115190786e-7 Nautical League (NL)

1 millimeter equals 1.7998560115190786e-7 Nautical League.

Millimeter to Thou

1 mm = 39.37007874015748 mil

1 Millimeter (mm) = 39.37007874015748 Thous (mil)

1 millimeter equals 39.37007874015748 thous.

Millimeter to Rod

1 mm = 0.00019883878151594686 rd

1 Millimeter (mm) = 0.00019883878151594686 Rod (rd)

1 millimeter equals 0.00019883878151594686 rod.

Millimeter to Chain

1 mm = 0.000049709695378986714 ch

1 Millimeter (mm) = 0.000049709695378986714 Chain (ch)

1 millimeter equals 0.000049709695378986714 chain.

Millimeter to Furlong

1 mm = 0.000004970969537898672 fur

1 Millimeter (mm) = 0.000004970969537898672 Furlong (fur)

1 millimeter equals 0.000004970969537898672 furlong.

Millimeter to Mile

1 mm = 6.21371192237334e-7 mi

1 Millimeter (mm) = 6.21371192237334e-7 Mile (mi)

1 millimeter equals 6.21371192237334e-7 mile.

Millimeter to League

1 mm = 2.07123730745778e-7 lea

1 Millimeter (mm) = 2.07123730745778e-7 League (lea)

1 millimeter equals 2.07123730745778e-7 league.