LED bulb savings
Enter your numbers — the results update instantly.
Energy saved per year930.75 kWh
Money saved per year93.08
Worked example
Given: Old bulb = 60 W; LED = 9 W; Bulbs = 10; Hours per day = 5; Price per kWh = 0.1
Result: Energy saved per year = 930.75 kWh; Money saved per year = 93.08
How it is calculated
1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.
Frequently asked questions
How do I calculate it?
Given: Old bulb = 60 W; LED = 9 W; Bulbs = 10; Hours per day = 5; Price per kWh = 0.1. Result: Energy saved per year = 930.75 kWh; Money saved per year = 93.08.
Is the calculator free and private?
Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.