Watts to lumens calculator

Enter power in watts: W
Enter light source:
Or enter luminous efficacy in lumens per watt: lm/W
   
Luminous flux result in lumens: lm

The lumen is a measure of the total "amount" of visible light. The lumen is the SI derived unit of luminous flux (symbol: lm).

Watts to lumens Formula:

ΦV(lm) = P(W) × η(lm/W)

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