# Convert um to mm

### One um equals 0.001 mm

For conversion tables, definitions and more information on the um and mm units scroll down or use the related um and mm quick access menus located at the top left side of the page.

Um is another way of writing the unit 'micrometer'
mm is the symbol for millimeter

### From 100.00 to 4000.00 ums, 40 entries

100 ums = 0.1 mm
200 ums = 0.2 mm
300 ums = 0.3 mm
400 ums = 0.4 mm
500 ums = 0.5 mm
600 ums = 0.6 mm
700 ums = 0.7 mm
800 ums = 0.8 mm
900 ums = 1 mm
1000 ums = 1 mm
1100 ums = 1.1 mm
1200 ums = 1.2 mm
1300 ums = 1.3 mm
1400 ums = 1.4 mm
1500 ums = 1.5 mm
1600 ums = 1.6 mm
1700 ums = 1.7 mm
1800 ums = 1.8 mm
1900 ums = 2 mm
2000 ums = 2 mm
2100 ums = 2.1 mm
2200 ums = 2.2 mm
2300 ums = 2.3 mm
2400 ums = 2.4 mm
2500 ums = 2.5 mm
2600 ums = 2.6 mm
2700 ums = 2.7 mm
2800 ums = 2.8 mm
2900 ums = 3 mm
3000 ums = 3 mm
3100 ums = 3.1 mm
3200 ums = 3.2 mm
3300 ums = 3.3 mm
3400 ums = 3.4 mm
3500 ums = 3.5 mm
3600 ums = 3.6 mm
3700 ums = 3.7 mm
3800 ums = 3.8 mm
3900 ums = 4 mm
4000 ums = 4 mm
Click here for a list of all conversion tables of um to other compatible units.

## micrometer

Micrometer is a subdivision of the meter unit. The micro prefix stands for 1E-06 therefore, 1 micrometer = 1E-06 meter units. Meter is a unit of measurement of length. The definition for meter is the following:
One micrometer is equal to 1x10-6 meters.

## millimeter

Millimeter is a subdivision of the meter unit. The milli prefix stands for 0.001 therefore, 1 millimeter = 0.001 meter units. Meter is a unit of measurement of length. The definition for meter is the following:
1 millimeter is thousandth (1/1000) of a meter
The symbol for millimeter is mm

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