Conversion
Estimate wattage from a lumen output and the source efficacy.
W = lumens ÷ efficacy (lm/W)
Typical LED efficacy is 80–120 lm/W. Worked example: 800 lm ÷ 100 = 8 W.
Estimate wattage from a lumen output and the source efficacy.
Typical LED efficacy is 80–120 lm/W. Worked example: 800 lm ÷ 100 = 8 W.
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