Existing incandescent light bulb size
watts
Replacement compact fluorescent bulb size
watts
Number of light bulbs
bulbs
Hours of use per day
hours
Cost per incandescent light bulb
.
dollars
Cost per compact fluorescent bulb
.
dollars
Electricity cost
.
cents per KWH
Savings are for wattages shown. Your actual savings will vary based on
the wattages you purchase. When comparing incandescent or halogen
bulbs to compact fluorescent bulbs or fixtures, compare the light
output, or lumens, and not Watts. Watts equal the energy used, not the
amount of light.
