Convert Megalux to Foot-candles
Convert Megalux (Mlx) to Foot-candles (fc) instantly and accurately.
Conversion Formula
fc = Mlx × 92903.04
About Megalux
The megalux (Mlx) equals 10⁶ lx. Reached only by extreme short-range sources: a short-arc xenon lamp at 5 cm produces ~1-10 Mlx; pulsed photographic strobes at close range several Mlx. The full solar disc on Earth's surface gives ~100 klx - far below 1 Mlx. 1 Mlx = 10⁶ lx.
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.
Quick Reference Table
| Megalux (Mlx) | Foot-candles (fc) |
|---|---|
| 1 Mlx | 92903 fc |
| 2 Mlx | 185806 fc |
| 5 Mlx | 464515 fc |
| 10 Mlx | 929030 fc |
| 25 Mlx | 2322580 fc |
| 50 Mlx | 4645150 fc |
| 100 Mlx | 9290300 fc |