LED Savings Calculator — Free Online Calculator
Calculate how much you save by switching to LED bulbs. Compare LED, CFL, and incandescent costs over their lifetime.
How to Use This Calculator
Enter how many bulbs you're replacing, daily usage hours, select your old bulb type and LED equivalent, and your electricity rate. See your annual savings instantly.
The Formula Explained
Savings = (Old Watts - LED Watts) × Bulbs × Hours/Day × 365 / 1000 × Rate. LEDs use 75-85% less energy than incandescent bulbs and last 15-25 times longer, making the total cost of ownership dramatically lower.