Watts to lumens calculator

Watts (W) to lumens (lm) calculator.

Enter the power in watts, luminous efficacy in lumens per watt and press the Calculate button to get the luminous flux in lumens:

	Enter power in watts:		W
	Enter luminous efficacy  in lumens per watt:		lm/W		-- select lamp type-- Incandecend light bulb Fluorescent lamp LED lamp
	Luminous flux result in lumens:		lm

Lumens to watts calculator ►

Watts to lumens calculation

The luminous flux ϕ_V in lumens (lm) is equal to the power P in watts (W), times the luminous efficacy η in lumens per watt (lm/W):

ϕ_V(lm) = P_(W) × η_(lm/W)

 

Watts to lumens calculation ►

 

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See also

• Lumens to watts calculator
• Watts to lumens calculation
• Watt
• Electrical calculation
• Power conversion