Convert Millilux to Kilolux

Convert Millilux (mlx) to Kilolux (klx) instantly and accurately.

Millilux (mlx)
Kilolux (klx)

Conversion Formula

klx = mlx × 1.000000000e-6

About Millilux

The millilux (mlx) equals 10⁻³ lx, also called 1 nox (CIE historical unit). Moonless clear sky: ~1 mlx; quarter moon: ~20-50 mlx; full moon at zenith: ~100-270 mlx. Minimum for dark-adapted outdoor navigation. Emergency exit pathway lighting is typically 1-5 mlx. 1 mlx = 10⁻³ lx = 1 nox.

About Kilolux

The kilolux (klx) equals 1 000 lx. Outdoor daytime scale: overcast sky ~10-20 klx; direct mid-latitude sunshine at noon ~80-100 klx. Required for fine inspection work, surgery, and color-critical print evaluation (ISO 3664: 2 klx). Also the range for plant-growth LED systems at canopy level. 1 klx = 10³ lx.

Quick Reference Table

Millilux (mlx)Kilolux (klx)
1 mlx1 × 10-6 klx
2 mlx2 × 10-6 klx
5 mlx5 × 10-6 klx
10 mlx1 × 10-5 klx
25 mlx2.5 × 10-5 klx
50 mlx5 × 10-5 klx
100 mlx1 × 10-4 klx

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