Convert Microlux to Kilolux

Convert Microlux (µlx) to Kilolux (klx) instantly and accurately.

Microlux (µlx)
Kilolux (klx)

Conversion Formula

klx = µlx × 1.000000000e-9

About Microlux

The microlux (µlx) equals 10⁻⁶ lx. Natural night illuminance: a moonless overcast sky ~100 µlx; scattered starlight ~200-300 µlx; crescent moon ~10-50 µlx. Used in night-vision equipment sensitivity specifications and observatory site-quality assessments. 1 µlx = 10⁻⁶ lx.

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

Microlux (µlx)Kilolux (klx)
1 µlx1 × 10-9 klx
2 µlx2 × 10-9 klx
5 µlx5 × 10-9 klx
10 µlx1 × 10-8 klx
25 µlx2.5 × 10-8 klx
50 µlx5 × 10-8 klx
100 µlx1 × 10-7 klx

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