Watts to Lumens Converter
Estimate light output in lumens from bulb wattage using luminous efficacy for different bulb types.
W
Estimated Lumens
900
Incandescent Equivalent64 W
Watts to Lumens
Lumens = Watts x Luminous Efficacy (lm/W)
Typical Efficacy by Bulb Type
A 10W LED produces roughly the same light as a 60W incandescent bulb.
Example Calculation
10 watt LED bulb.
- 01Lumens = 10W x 90 lm/W = 900 lumens
- 02Incandescent equivalent = 900 / 14 = 64W
Frequently Asked Questions
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