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Candela / Lumen Calculator Convert lumen to candela or candela to lumen: Instructions: To convert from Lumen (lm) to Candela (cd=1000 mcd) insert the value in lumen, the viewangle and click on "Lumen to Candela". To convert from Candela to Lumen insert the value in candela, the viewangle an click on "Candela to Lumen". Useful definitions: Luminous Intensity (Candela-cd=1000, milicandela-mcd) The candela is the foundation unit for the measurement of visible light. The candela value is independent of distance. From candelas to lumens: The candela can be used for measuring the light intensity of nonfocusing light sources but this can lead confusion . To clarify this problem we will give some examples of light intensity in day to day life (in candelas per square meter): good street light 2 Cd corridors 3-6 Cd living rooms 3-12 Cd office 12-18 Cd drawing office 18-30 Cd shop windows 60-300 Cd Except for focusing light sources light is measured in lumens which we explain below. Luminous Flux (Lumen-lm) Viewangle The reason?

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