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    manveen's Avatar
    manveen Posts: 1, Reputation: 1
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    #1

    Jun 13, 2010, 10:39 PM
    1 watt in lux
    I am interested in knowing a formula to convert lux into watt.
    Clough's Avatar
    Clough Posts: 26,677, Reputation: 1649
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    #2

    Jun 13, 2010, 10:46 PM
    Hi, manveen!

    If you click on the following link, you'll find some ways for conversion.

    LINK

    Thanks!
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Jun 14, 2010, 01:11 PM

    One lux is equivalent to 1.46 milliwatts per square meter for light with wavelength 555 nm (which is the middle of the visible spectrum).

    If on the other hand you are trying to figure out how many lux a lightbulb produces of a given wattage produces, there is no standard conversion, as the amount of light produced by a light biulb depends on many design factors of the bulb, such as whether it's an incandescent or fluorescent one.
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