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Luminous Flux Converter

Convert between luminous flux units like lumens and kilolumens.

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Unit Information

Lumen (lm)

Definition: The SI unit of luminous flux.

History: From Latin "lumen" meaning light.

Current Use: Used for measuring light output of bulbs and fixtures.

Candela (cd)

Definition: The SI base unit of luminous intensity, representing luminous flux per unit solid angle (lumens per steradian).

History: Adopted as the SI base unit for luminous intensity; modern definition ties to monochromatic radiation of frequency 540 THz.

Current Use: Fundamental unit to specify brightness (luminous intensity) of light sources.

Kilolumen (klm)

Definition: A unit of luminous flux equal to 1,000 lumens.

History: A multiple of the lumen used for high‑output light sources.

Current Use: Common in specifications for projectors and architectural lighting.

All Unit Conversions

Lumen to Candela Lumen to Kilolumen Candela to Lumen Candela to Kilolumen Kilolumen to Lumen Kilolumen to Candela

Did you know?

Luminous flux is the measure of the total amount of visible light emitted by a source.
The SI unit for luminous flux is the lumen (lm).
A standard 100-watt incandescent bulb emits about 1600 lumens.

Related Categories

Common Conversions

Convert Lumen to Kilolumen

lm / 1000

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