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Illuminance converter

kilolux to megalux

Convert kilolux (klx) to megalux (Mlx). Use an editable illuminance converter, conversion formula, and reference table.

0.001

1 klx = 0.001 Mlx

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Conversion formula

Mlx = klx × 0.001

One kilolux equals 0.001 megalux. Multiply your value in kilolux by this factor to get megalux. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 kilolux:
5 × 0.001 = 0.005 Mlx

Conversion table

kilolux (klx)megalux (Mlx)
0.010.00001
0.10.0001
10.001
20.002
50.005
100.01
250.025
500.05
1000.1
10001

About these measurements

Illuminance is luminous flux falling on a surface per unit area.

The base reference used here is the lux. One kilolux is 1,000 base units; one megalux is 1,000,000 base units.

Important distinctions

One lux is one lumen per square meter.

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 klx to Mlx?

Multiply the quantity in klx by 0.001. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the megalux to kilolux 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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