According to the illuminance of the three lighting fixtures, the power conversion of our led light bulbs for sale can refer to the following: 1W LED=3W CFL (energy-saving lamp)=15W incandescent lamp 3W LED=8W CFL (energy-saving lamp)=25W incandescent lamp 4W LED=11W CFL (energy-saving lamp)=40W incandescent lamp 8W LED=15W CFL (energy-saving lamp)=75W incandescent lamp 12W LED=20W CFL (energy-saving lamp)=100W incandescent lamp