Illumination Converter

Convert lux, foot-candle, phot, and more — instantly.

Free illumination converter. Convert lux to foot-candle, lumen per square meter, phot, and other illuminance units for lighting design and photography. Use the express converter for any unit pair, or open a quick conversion below.

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1 lux = 0.09290304 foot-candles

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Lux → Foot-Candle

Lux to Foot-Candle

Foot-Candle → Lux

Foot-Candle to Lux

Foot-Candle → Lumen per Square Foot

Foot-Candle to Lumen per Square Foot

Lumen per Square Foot → Foot-Candle

Lumen per Square Foot to Foot-Candle

Lux → Phot

Lux to Phot

Phot → Lux

Phot to Lux

Browse all illumination units

Pick any unit to open a two-way conversion. Lux and foot-candle are the everyday units for lighting design, photography, and building codes.

From

LUX

1 lx = 0.09290304 fc

lux (lx) → foot-candle (fc) foot-candle (fc) → lux (lx)

METER-CANDLE

1 m·cd = 1 lx

meter-candle (m·cd) → lux (lx) lux (lx) → meter-candle (m·cd)

LUMEN PER SQUARE METER

1 lm/m² = 1 lx

lumen per square meter (lm/m²) → lux (lx) lux (lx) → lumen per square meter (lm/m²)

CANDELA STERADIAN PER SQUARE METER

1 cd·sr/m² = 1 lx

candela steradian per square meter (cd·sr/m²) → lux (lx) lux (lx) → candela steradian per square meter (cd·sr/m²)

NOX

1 nox = 0.001 lx

nox → lux (lx) lux (lx) → nox

CENTIMETER-CANDLE

1 cm·cd = 10,000 lx

centimeter-candle (cm·cd) → lux (lx) lux (lx) → centimeter-candle (cm·cd)

PHOT

1 ph = 10,000 lx

phot (ph) → lux (lx) lux (lx) → phot (ph)

LUMEN PER SQUARE CENTIMETER

1 lm/cm² = 10,000 lx

lumen per square centimeter (lm/cm²) → lux (lx) lux (lx) → lumen per square centimeter (lm/cm²)

FOOT-CANDLE

1 fc = 10.7639104167 lx

foot-candle (fc) → lux (lx) lux (lx) → foot-candle (fc)

LUMEN PER SQUARE FOOT

1 lm/ft² = 1 fc

lumen per square foot (lm/ft²) → foot-candle (fc) foot-candle (fc) → lumen per square foot (lm/ft²)

FLAME

1 flame = 43.0556416668 lx

flame → lux (lx) lux (lx) → flame

WATT PER SQUARE CENTIMETER (AT 555 NM)

1 W/cm² = 6,830,000 lx

watt per square centimeter (at 555 nm) (W/cm²) → lux (lx) lux (lx) → watt per square centimeter (at 555 nm) (W/cm²)