Marks Calc

micrometers to millimeters

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

1 μm=0.001 mm

How to convert micrometer to millimeter

To convert micrometer to millimeter, multiply by 0.001:

mm = μm × 0.001

For example, 10 μm × 0.001 = 0.01 mm.

μm to mm conversion table

micrometers (μm)millimeters (mm)
1 μm0.001 mm
2 μm0.002 mm
5 μm0.005 mm
10 μm0.01 mm
25 μm0.025 mm
50 μm0.05 mm
100 μm0.1 mm
250 μm0.25 mm
500 μm0.5 mm
1000 μm1 mm
Reverse: Millimeter to Micrometer

Other micrometer conversions

Convert to millimeter from another unit

μm to mm — frequently asked

How many millimeters are in 1 micrometer?

1 micrometer = 0.001 millimeters (μm × 0.001 = mm).

What is the formula to convert micrometer to millimeter?

Multiply your micrometer value by 0.001 to get millimeter.

How do I convert 10 micrometers to millimeters?

10 μm = 0.01 mm. For 100 μm the answer is 0.1 mm. Use the calculator on this page for any other value.

When to convert micrometer to millimeter

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