millimetre to micrometre
Live millimetre (mm) to micrometre (μm) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from millimetre to micrometre. Use the converter above for arbitrary values.
| millimetre (mm) | → | micrometre (μm) |
|---|---|---|
| 0.001 mm | → | 1 μm |
| 0.01 mm | → | 10 μm |
| 0.1 mm | → | 100 μm |
| 0.5 mm | → | 500 μm |
| 1 mm | → | 1,000 μm |
| 2 mm | → | 2,000 μm |
| 5 mm | → | 5,000 μm |
| 10 mm | → | 10,000 μm |
| 100 mm | → | 100,000 μm |
| 1,000 mm | → | 1,000,000 μm |
About the millimetre
1/1000 of a metre. Standard for small machined parts and rainfall.
About the micrometre
1/1,000,000 of a metre. Cell biology, semiconductor manufacturing.
How millimetre to micrometre conversion works
Both units belong to Length. Unitbox first expresses the input in the category reference unit (m), then expresses that same quantity in micrometre.
Common uses include plans, dimensions, travel distances, screens, and manufacturing specifications.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert millimetre to micrometre?
Multiply the millimetre value by 1,000 to get it in micrometre. For example, 10 mm = 10,000 μm.
What is 1 mm in μm?
1 mm = 1,000 μm.
What is 100 mm in μm?
100 mm = 100,000 μm.
What is the formula?
Linear: multiply by 1,000 (the unit factor ratio).
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