Micrometer is 0.000001 meter units.
Micrometers to Decimeters Converter — um to dm
Convert Micrometer (um) to Decimeter (dm) using the exact conversion factor (1 micrometer = 0.00001 decimeter). See the formula, worked examples, and conversion table.
Micrometers to Decimeters converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
Decimeter is 0.1 meter units.
Result = input x 1e-6 / 0.1.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrometers to Decimeters
Micrometer and Decimeter both measure length. Specifically: Micrometer is 0.000001 meter units, and decimeter is 0.1 meter units.
Formula
decimeters = micrometers × 0.00001
This factor comes from each unit's defined relationship to the category's base unit: 1 micrometer equals 0.000001 base units, and 1 decimeter equals 0.1 base units, so dividing one by the other gives the direct micrometer-to-decimeter factor of 0.00001.
Simple example
1 um × 0.00001 = 0.00001 dm
1 micrometer = 0.00001 decimeters.
Real-world example
10 um × 0.00001 = 0.0001 dm
10 micrometers = 0.0001 decimeters.
Conversion table
| Micrometer (um) | Decimeter (dm) |
|---|---|
| 1 um | 0.00001 dm |
| 5 um | 0.00005 dm |
| 10 um | 0.0001 dm |
| 21.0975 um | 0.000210975 dm |
| 42.195 um | 0.00042195 dm |
| 100 um | 0.001 dm |
Reverse conversion: Decimeter to Micrometer
0.00001 dm × 100000 = 1 um
0.00001 decimeters = 1 micrometers.
micrometers = decimeters × 100000
For a page dedicated to this direction, see Decimeter to Micrometer.
Understanding the Micrometer (um)
Micrometer is 0.000001 meter units.
Understanding the Decimeter (dm)
Decimeter is 0.1 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decimeters are in 1 micrometer?
1 micrometer equals 0.00001 decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert micrometer to decimeter?
Multiply the micrometer value by 0.00001. The converter above does this instantly to whatever precision you set.
How do I convert decimeter back to micrometer?
Use the reverse factor: 1 decimeter equals 100,000 micrometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a micrometer?
Micrometer (um) is a unit of length.
What is a decimeter?
Decimeter (dm) is a unit of length.
Is the micrometer to decimeter conversion exact?
Yes. Both micrometer and decimeter are defined by fixed standards rather than physical artifacts, so the factor of 0.00001 used above is exact to as many digits as you choose to display.