Enjoy our calculators? Buy us a coffee

Light Bulb Wattage Comparison Calculator

Compare wattage, energy cost, and savings between incandescent, CFL, and LED light bulbs.

W
hrs
$/kWh

LED Equivalent Wattage

10.0 W

CFL Equivalent Wattage

15.0 W

Annual Cost (Incandescent)

$131.40

Annual Cost (LED)

$21.90

Annual Cost (CFL)

$32.85

Annual Savings (LED vs Incandescent)

$109.50

10-Year Savings (LED vs Incandescent)

$1,095.00