Convert Millilux to Lumens per square inch
Convert Millilux (mlx) to Lumens per square inch (lm/in²) instantly and accurately.
Conversion Formula
lm/in² = mlx × 6.451600000e-7
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 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
| Millilux (mlx) | Lumens per square inch (lm/in²) |
|---|---|
| 1 mlx | 6.452 × 10-7 lm/in² |
| 2 mlx | 1.29 × 10-6 lm/in² |
| 5 mlx | 3.226 × 10-6 lm/in² |
| 10 mlx | 6.452 × 10-6 lm/in² |
| 25 mlx | 1.613 × 10-5 lm/in² |
| 50 mlx | 3.226 × 10-5 lm/in² |
| 100 mlx | 6.452 × 10-5 lm/in² |