Convert Lux to Kilolux
Convert Lux (lx) to Kilolux (klx) instantly and accurately.
Conversion Formula
klx = lx × 0.001
About Lux
The lux (lx) is the SI coherent unit of illuminance, equal to 1 lm/m². Civil twilight outdoors: ~10 lx; dimly lit corridor: ~50 lx; typical office (EN 12464): 300-500 lx; operating theatre: ~1 000 lx. The most widely used illuminance unit in lighting standards worldwide. 1 lx = 1 lm/m².
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
| Lux (lx) | Kilolux (klx) |
|---|---|
| 1 lx | 0.001 klx |
| 2 lx | 0.002 klx |
| 5 lx | 0.005 klx |
| 10 lx | 0.01 klx |
| 25 lx | 0.025 klx |
| 50 lx | 0.05 klx |
| 100 lx | 0.1 klx |