About the Appliance Energy Calculator
Some appliances quietly dominate your bill.
This tool reveals the true running cost of any device.
How this calculator works
We multiply wattage by hours of use to get kWh, then multiply by your electricity rate.
Why it matters
- Spot energy-hungry devices
- Compare old vs new appliances
- Decide what to upgrade first
- Cut standby waste
Frequently asked questions
Heating, cooling, water heaters, ovens and dryers typically top the list.
Yes — always-on devices can add 5–10% to a bill over a year.