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Luminous Flux converter

millilumen to decalumen

Convert millilumen (mlm) to decalumen (dalm). Use an editable luminous flux converter, conversion formula, and reference table.

0.0001

1 mlm = 0.0001 dalm

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Conversion formula

dalm = mlm × 0.0001

One millilumen equals 0.0001 decalumen. Multiply your value in millilumen by this factor to get decalumen. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 millilumen:
5 × 0.0001 = 0.0005 dalm

Conversion table

millilumen (mlm)decalumen (dalm)
0.010.000001
0.10.00001
10.0001
20.0002
50.0005
100.001
250.0025
500.005
1000.01
10000.1

About these measurements

Luminous flux measures the visible-light output weighted by human visual sensitivity.

The base reference used here is the lumen. One millilumen is 0.001 base units; one decalumen is 10 base units.

Important distinctions

Lumens measure light output; lux measures illumination per unit area.

Precision

The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.

Common questions

How do I convert mlm to dalm?

Multiply the quantity in mlm by 0.0001. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the decalumen to millilumen converter.

Reference

NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.

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