LENGTH CONVERSION
Millimeter to Micrometer.
Convert millimeter (mm) to micrometer (μm), with the math explained.
THE MATH, MADE SIMPLE
How to convert millimeter to micrometer
Multiply your millimeter value by 1,000 to get the equivalent in micrometer. Both units are normalized through the meter.
μm = mm × 1,00010 mm = 10,000 μm
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
mm to μm conversion table
| Millimeter (mm) | Micrometer (μm) |
|---|---|
| 1 mm | 1,000 μm |
| 2 mm | 2,000 μm |
| 5 mm | 5,000 μm |
| 10 mm | 10,000 μm |
| 20 mm | 20,000 μm |
| 50 mm | 50,000 μm |
| 100 mm | 100,000 μm |
| 500 mm | 500,000 μm |
| 1,000 mm | 1,000,000 μm |
About the millimeter
The millimeter (mm) is a unit of length. One millimeter equals 0.001 meter (base unit) in this calculator.
All millimeter conversionsAbout the micrometer
The micrometer (μm) is a unit of length. One micrometer equals 0.000001 meter (base unit) in this calculator.
All micrometer conversionsCommon questions
What is 1 mm in μm?
One millimeter equals 1,000 μm. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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