Light conversions: Lumens to Watts, Watts to Candlepower?

Question

1 Lumen = __ Watts?
1 Watt = __ Candlepower?

Answer 1

1 lumen= .001496 watt

1 lumen= .07958 spherical candle power

thus: .001496 watt = .07958 candle

I think that means 1 watt = 52.1109 candle power.



The first two numbers are from NASA msis.jsc.nasa.gov/volume2/Appx_e_units.htm