Millilux (mlx)
A millilux is one thousandth of a lux: starlight gives about 1 mlx and a quarter moon about 10 mlx.
Symbol: mlx
Quantity: illuminance (light falling on a surface)
SI relation: 1 mlx = 0.001 lx (exact)
Derivation: 1 mlx = 10⁻³ lx.
Exact: yes, by definition
Typical uses
- Night-vision and low-light camera specifications
- Astronomy dark-sky measurements
Convert millilux to other units
| Conversion | 1 mlx equals | Reverse |
|---|---|---|
| millilux to lux | 0.001 lx | lux to millilux |
| millilux to foot-candle | 0.00009290304 fc | foot-candle to millilux |
| millilux to kilolux | 0.000001 klx | kilolux to millilux |
| millilux to phot | 1 × 10⁻⁷ ph | phot to millilux |
Open the Illuminance Converter (Lux, Foot-candle) to convert any value between all units.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (becquerel, gray, sievert, lux) and Table 2 (candela).
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Millilux (mlx). Retrieved October 25, 2026, from https://scientificconverters.com/units/millilux/
IEEE
Scientific Converters, "Millilux (mlx)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/units/millilux/