Convert Foot-candles to Millilux
Convert Foot-candles (fc) to Millilux (mlx) instantly and accurately.
Conversion Formula
mlx = fc × 10763.91042
About Foot-candles
The foot-candle (fc) equals 1 lm/ft² ≈ 10.764 lx. Standard in North American lighting design: IESNA recommends 30-50 fc for general offices, 50-100 fc for retail displays, 12-16 fc for cinema screens. Still the dominant unit in the US, Canada and some other countries. 1 fc = 1/0.09290304 lx.
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.
Quick Reference Table
| Foot-candles (fc) | Millilux (mlx) |
|---|---|
| 1 fc | 10763.9 mlx |
| 2 fc | 21527.8 mlx |
| 5 fc | 53819.6 mlx |
| 10 fc | 107639 mlx |
| 25 fc | 269098 mlx |
| 50 fc | 538196 mlx |
| 100 fc | 1076390 mlx |