Marks Calc

millimeters to micrometers

Convert millimeter to micrometer — instant, free, with the formula shown.

1 mm=1000 μm

How to convert millimeter to micrometer

To convert millimeter to micrometer, multiply by 1000:

μm = mm × 1000

For example, 10 mm × 1000 = 10000 μm.

mm to μm conversion table

millimeters (mm)micrometers (μm)
1 mm1000 μm
2 mm2000 μm
5 mm5000 μm
10 mm10000 μm
25 mm25000 μm
50 mm50000 μm
100 mm100000 μm
250 mm250000 μm
500 mm500000 μm
1000 mm1000000 μm
Reverse: Micrometer to Millimeter

Other millimeter conversions

Convert to micrometer from another unit

mm to μm — frequently asked

How many micrometers are in 1 millimeter?

1 millimeter = 1000 micrometers (mm × 1000 = μm).

What is the formula to convert millimeter to micrometer?

Multiply your millimeter value by 1000 to get micrometer.

How do I convert 10 millimeters to micrometers?

10 mm = 10000 μm. For 100 mm the answer is 100000 μm. Use the calculator on this page for any other value.

When to convert millimeter to micrometer

1Engineering and construction (mm to feet, meters to inches)
2Running, cycling and athletics (km to miles, miles to yards)
3International shipping and travel (nautical miles, kilometers)
4Manufacturing tolerances (micrometers and nanometers)

Length conversion — common questions

How many feet are in 1 meter?

1 meter equals approximately 3.2808 feet. The exact conversion factor is 1 ft = 0.3048 m.

How do I convert kilometers to miles?

Multiply the kilometer value by 0.621371. For example, 10 km × 0.621371 ≈ 6.2137 miles.

Is 1 yard exactly 3 feet?

Yes. By definition 1 yard = 3 feet = 36 inches = 0.9144 meters.

See all length converters