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    Illumination Units: Lux vs. Foot-Candles

    UnitConvertLab Team
    2026-06-07
    4 min read

    Lux vs. Lumens

    • Lumens: How much total light is coming out of the bulb?
    • Lux: How bright is the light on a specific surface (like your desk)?

    Comparison

    • 1 Foot-candle is the light from one candle on a surface one foot away.
    • 1 Lux is the metric version (one lumen per square meter).
    • 1 Foot-candle ≈ 10.76 Lux

    Recommended Light Levels

    • Storage Room: 50 Lux
    • Office Work: 500 Lux
    • Precision Surgery: 10,000+ Lux

    Key Takeaways

    • Lux decreases rapidly as you move away from the light source
    • "Bright sunlight" is about 100,000 Lux
    • Use a light meter app for quick home checks

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