How to convert luminous intensity in candela (cd) to illuminance in lux (lx).

You can calculate lux from candela and distance from light source.

You can't convert candela to lux, since lux and candela do not represent the same quantity.

The illuminance *E*_{v} in
lux (lx) is equal
to 10.76391 times the luminous intensity *I*_{v} in candela (cd),

divided by the square distance from the light source *d*^{2}
in square feet (ft^{2}):

*E*_{v(lx)} =
10.76391 ×* I*_{v(cd)} / (*d*_{(ft)})^{2}

_{So}

lux = 10.76391 ×* *candela / square feet

_{Or}

lx = 10.76391 ×* *cd / ft^{2}

The illuminance *E*_{v} in
lux (lx) is equal
to the luminous intensity *I*_{v} in candela (cd),

divided by the square distance from the light source *d*^{2} in
square meters (m^{2}):

*E*_{v(lx)} =
*I*_{v(cd)} / (*d*_{(m)})^{2}

_{So}

lux = candela / square meters

_{Or}

lx = cd / m^{2}

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- Candela to lumens
- Candela to lux
- Lumens to candela
- Lumens to lux
- Lumens to watts
- Lux to candela
- Lux to lumens
- Lux to watts
- Watts to lumens
- Watts to lux