Energy Costs Calculator

Energy Costs Calculator is a Chrome extension that helps you estimate electricity consumption and costs for any defined usage period. It answers questions like: How much does it cost per year watching television? How much do I save by using energy-saving lamps? When will the new refrigerator be profitable?

Use it to compare devices, plan a budget, and explore usage scenarios. By inputting device wattages and daily hours, you can see current costs and potential savings, supporting smarter energy decisions.