Convert Millimeters to Micrometers
1 millimeter = 1,000 micrometers. Type any value below to convert in either direction — the calculation happens in your browser.
Millimeters to Micrometers formula
Multiply the number of millimeters by 1000 to get micrometers.
micrometers = millimeters × 1000
To go the other way: divide the number of micrometers by 1000, or multiply by 0.001.
millimeters = micrometers ÷ 1000
Millimeters to Micrometers conversion table
| Millimeters | Micrometers |
|---|---|
| 1 mm | 1,000 µm |
| 2 mm | 2,000 µm |
| 3 mm | 3,000 µm |
| 4 mm | 4,000 µm |
| 5 mm | 5,000 µm |
| 6 mm | 6,000 µm |
| 7 mm | 7,000 µm |
| 8 mm | 8,000 µm |
| 9 mm | 9,000 µm |
| 10 mm | 10,000 µm |
| 15 mm | 15,000 µm |
| 20 mm | 20,000 µm |
| 25 mm | 25,000 µm |
| 30 mm | 30,000 µm |
| 40 mm | 40,000 µm |
| 50 mm | 50,000 µm |
| 75 mm | 75,000 µm |
| 100 mm | 100,000 µm |
| 250 mm | 250,000 µm |
| 500 mm | 500,000 µm |
| 1,000 mm | 1,000,000 µm |
Micrometers to Millimeters conversion table
| Micrometers | Millimeters |
|---|---|
| 1 µm | 0.001 mm |
| 2 µm | 0.002 mm |
| 3 µm | 0.003 mm |
| 4 µm | 0.004 mm |
| 5 µm | 0.005 mm |
| 6 µm | 0.006 mm |
| 7 µm | 0.007 mm |
| 8 µm | 0.008 mm |
| 9 µm | 0.009 mm |
| 10 µm | 0.01 mm |
About the millimeter
A millimetre is one thousandth of a metre and is the default unit on engineering drawings and rulers.
About the micrometer
A micrometre, or micron, is one millionth of a metre — the scale of bacteria, fine dust and semiconductor features.
Frequently asked questions
How many micrometers are in a millimeter?
There are 1,000 micrometers in one millimeter.
How many millimeters are in a micrometer?
There are 0.001 millimeters in one micrometer.
Is this conversion exact?
The ratio between the millimeter and the micrometer is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 millimeters in micrometers?
10 millimeters equals 10,000 micrometers.
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