Lumens Versus Watts

a divisor of between 11 and 17

OLD INCANDESCENT BULBS (WATTS) ENERGY STAR BULB BRIGHTNESS(MINIMUM LUMENS)
40 450
60 800
75 1,100
100 1,600
150 2,600
http://www.energystar.gov/?c=cfls.pr_cfls_lumens
Advertisements