๐ Household
LED Savings Calculator
LED bulbs turn roughly 80-90% of the electricity they draw into light, where an incandescent bulb wastes about 90% as heat. Swapping a 60 W bulb for a 9 W LED with the same brightness saves over 50 kWh a year per bulb.
How it works
Number of bulbs
Old bulb wattage
LED wattage
Hours used per day
Electricity rate
Price per LED bulb
Energy saved per year
Money saved per year
Payback period (months)
Frequently asked questions
How do I use the LED Savings Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.