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    cynmac50's Avatar
    cynmac50 Posts: 1, Reputation: 1
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    #1

    Nov 16, 2006, 06:06 PM
    Conversion watts to candlepower
    I need to know how much wattage is 80 candlepower?
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
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    #2

    Nov 16, 2006, 07:35 PM
    It varies widely depending on the type of light. Many light bulb packages give watts and lumens. To convert lumens to candle power, see http://www.ex.ac.uk/cimt/dictunit/dictunit.htm#PQ Or perhaps you will have to dig up a CRC handbook of chemistry and physics for candlepower.
    omzig's Avatar
    omzig Posts: 119, Reputation: 19
    Junior Member
    		  
    #3

    Nov 16, 2006, 07:38 PM
    You can't really convert candlepower to watts. Watts is an input measurement and candlepower is an output measurement. You could actually have a 2 watt bulb that puts out the same candlepower as a 3 watt bulb. It has to do with a lot of things like efficiency, reflection, etc. Candela, on the other hand has a direct relationship to watts. Check out this recent discussion which includes some links to good information on candlepower, candela, foot-candles, lumens, lux etc.: LED Flashlights: Lumens, Candlepower & lux
    nickbrown169's Avatar
    nickbrown169 Posts: 1, Reputation: 1
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    #4

    Mar 12, 2012, 07:03 PM
    1 candle power = 12.57 lumens
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