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Lumens to Lux & Foot-Candles Illuminance Calculator

Convert luminous flux (lumens) to illuminance (lux and foot-candles) over distance and beam angle for indoor lighting, photography, and workspace standards.

Inputs used by this tool

Enter values in the interactive controls when the page loads. The result depends on the assumptions and units shown for each field.

Input type: number
Input type: number
Input type: select
Input type: number

Data handling varies by tool. Review its notes and the Privacy Policy before entering sensitive information.