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Illuminance converter

lux to millilux

Convert lux (lx) to millilux (mlx). Use an editable illuminance converter, conversion formula, and reference table.

1,000

1 lx = 1,000 mlx

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Conversion formula

mlx = lx × 1,000

One lux equals 1,000 millilux. Multiply your value in lux by this factor to get millilux. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 lux:
5 × 1,000 = 5,000 mlx

Conversion table

lux (lx)millilux (mlx)
0.0110
0.1100
11,000
22,000
55,000
1010,000
2525,000
5050,000
100100,000
10001,000,000

About these measurements

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

The base reference used here is the lux. One lux is 1 base units; one millilux is 0.001 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 lx to mlx?

Multiply the quantity in lx by 1,000. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the millilux to lux 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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