Lumens to watts tableLumensIncandescent light bulbwattsFluorescent / LEDwatts 375 lm 25 W 6.23 W 600 lm 40 W 10 W 900 lm 60 W 15 W 1125 lm 75 W 18.75 W 1500 lm 100 W 25 W 2250 lm 150 W 37.5 W 3000 lm 200 W 50 WWatts to lumens calculation ►...
What is the luminous flux of a lamp that has power consumption of 60 watts and luminous efficacy of 15 lumens per watt? ΦV= 60 W × 15 lm/W = 900 lm Luminous efficacy table Light typeTypical luminous efficacy (lumens/watt) Tungsten incandescent light bulb12.5-17.5 lm/W ...
Lux to watts calculation with area in square meters The luminous fluxΦVin lumens (lm) is equal to the illuminanceEvin lux (lx) times the surface areaAin square meters (m2): ΦV(lm)=Ev(lx)×A(m2) The power P in watts (W) is equal to the luminous fluxΦVin lumens (lm), divided...