Convert Kilolux to Lumens per square inch
Convert Kilolux (klx) to Lumens per square inch (lm/in²) instantly and accurately.
Conversion Formula
lm/in² = klx × 0.64516
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.
About Lumens per square inch
The lumen per square inch (lm/in²) equals 1/0.00064516 lx ≈ 1 550 lx. Used in US optics and LED backlight datasheets when specifying output over small aperture areas. Rare in general lighting but found in US optical engineering catalogs and LCD backlight specifications. 1 lm/in² = 1/0.00064516 lx.
Quick Reference Table
| Kilolux (klx) | Lumens per square inch (lm/in²) |
|---|---|
| 1 klx | 0.64516 lm/in² |
| 2 klx | 1.29032 lm/in² |
| 5 klx | 3.2258 lm/in² |
| 10 klx | 6.4516 lm/in² |
| 25 klx | 16.129 lm/in² |
| 50 klx | 32.258 lm/in² |
| 100 klx | 64.516 lm/in² |