Illuminance units Conversion



This tool converts illumination units. It also includes conversion tables.

Illumination units

Lux units
lx : lux
mlx : millilux

SI units and derived
lm/m² : lumen per square meter
lm/cm² : lumen per square cm
cd.sr/m² : candela steradian per square meter
m.cd : candela meter
cm.cd : cm candela

US/UK Customary
fc : football candle
lm/ft² : lumen per square foot

Other units
nx : nox
ph : phot

Light Illumination Unit Conversion Tables

Lux units / SI units and derived
# lm/m² lm/cm² cd.sr/m² m.cd cm.cd
1 lx = 10.0001110.0001
1 mlx = 0.0011.0e-70.0010.0011.0e-7

Lux units / US/UK Customary
# fc lm/ft²
1 lx = 0.09290.0929
1 mlx = 0.00010.0001

Lux units / Other units
# nx ph
1 lx = 10000.0001
1 mlx = 11.0e-7

SI units and derived / Lux units
# lx mlx
1 lm/m² = 11000
1 lm/cm² = 100001.0e+7
1 cd.sr/m² = 11000
1 m.cd = 11000
1 cm.cd = 100001.0e+7

SI units and derived / SI units and derived
# lm/m² lm/cm² cd.sr/m² m.cd cm.cd
1 lm/m² = 10.0001110.0001
1 lm/cm² = 10000110000100001
1 cd.sr/m² = 10.0001110.0001
1 m.cd = 10.0001110.0001
1 cm.cd = 10000110000100001

SI units and derived / US/UK Customary
# fc lm/ft²
1 lm/m² = 0.09290.0929
1 lm/cm² = 929.0304929.0304
1 cd.sr/m² = 0.09290.0929
1 m.cd = 0.09290.0929
1 cm.cd = 929.0304929.0304

SI units and derived / Other units
# nx ph
1 lm/m² = 10000.0001
1 lm/cm² = 1.0e+71
1 cd.sr/m² = 10000.0001
1 m.cd = 10000.0001
1 cm.cd = 1.0e+71

US/UK Customary / Lux units
# lx mlx
1 fc = 10.763910763.9104
1 lm/ft² = 10.763910763.9104

US/UK Customary / SI units and derived
# lm/m² lm/cm² cd.sr/m² m.cd cm.cd
1 fc = 10.76390.001110.763910.76390.0011
1 lm/ft² = 10.76390.001110.763910.76390.0011

US/UK Customary / US/UK Customary
# fc lm/ft²
1 fc = 11
1 lm/ft² = 11

US/UK Customary / Other units
# nx ph
1 fc = 10763.91040.0011
1 lm/ft² = 10763.91040.0011

Other units / Lux units
# lx mlx
1 nx = 0.0011
1 ph = 100001.0e+7

Other units / SI units and derived
# lm/m² lm/cm² cd.sr/m² m.cd cm.cd
1 nx = 0.0011.0e-70.0010.0011.0e-7
1 ph = 10000110000100001

Other units / US/UK Customary
# fc lm/ft²
1 nx = 0.00010.0001
1 ph = 929.0304929.0304

Other units / Other units
# nx ph
1 nx = 11.0e-7
1 ph = 1.0e+71

See also

Unit conversion