Illuminance

Convert lux to foot-candles

1 lux equals 0.09290304 foot-candles. Enter a value below to convert instantly.

1 lx
0.09290304 fc

Multiply the number of lux by 0.09290304 to get foot-candles. How this is calculated

Need the other direction? Convert foot-candle to lux →

Formula

Multiply the number of lux by 0.09290304 to get foot-candles.

Step by step

  1. Start with 1 lx.
  2. Multiply by the conversion factor 0.09290304.
  3. 1 × 0.09290304 = 0.09290304 fc.

Lux to Foot-candles conversion table

Conversion table from Lux to Foot-candles
Lux (lx) Foot-candles (fc)
1 0.09290304
5 0.4645152
10 0.9290304
50 4.645152
100 9.290304
500 46.45152
1,000 92.90304
5,000 464.5152

Convert Lux to other illuminance units

1 lx expressed in every other illuminance unit on this site.

  • Kilolux klx 0.001
  • Millilux mlx 1,000
  • Lumen per Square Meter lm/m² 1
  • Lumen per Square Centimeter lm/cm² 0.0001
  • Lumen per Square Foot lm/ft² 0.09290304
  • Foot-candle fc 0.09290304
  • Phot ph 0.0001
  • Nox nx 1,000
  • Meter-candle m·cd 1
  • Centimeter-candle cm·cd 0.0001
  • Flame flame 0.02322576
  • Watt per cm² (at 555 nm) W/cm² (555 nm) 1.4641288e-7

About the lux

The lux (lx) is a SI unit of illuminance. One lumen spread over one square meter.

About the foot-candle

The foot-candle (fc) is a Imperial unit of illuminance. The US lighting-design unit — one lumen per square foot.

Where this conversion is used

Converting lux to foot-candles comes up when lighting design, workplace compliance, and photography. A bright office is around 500 lux, while direct sunlight exceeds 100,000 lux — over two hundred times more.

Related conversions

Frequently asked questions

How many foot-candles are in a lux?

One lux equals 0.09290304 foot-candles.

How do you convert lux to foot-candles?

Multiply the number of lux by 0.09290304 to get foot-candles.

What is 1 foot-candle in lux?

One foot-candle equals 10.76391 lux.

When would I convert lux to foot-candles?

This conversion is common when lighting design, workplace compliance, and photography.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.