Appliance Energy & Electricity Cost Calculators
Calculate how much electricity your appliances use, estimate running costs, compare energy consumption and discover potential savings using practical country-aware electricity tools.
Electricity & appliance calculators
Pick a tool by category or search by appliance. Every calculator works instantly and privately in your browser.
How to use HowMuchElectricity.com
For the most accurate estimate, check your appliance's energy label and the rate printed on your electricity bill.
Select your country
Set your region so the currency, voltage and formatting match where you live.
Pick a calculator
Choose an appliance or electricity-cost calculator from the categories above.
Enter the wattage
Select a preset appliance or type the actual watts printed on your device.
Set usage & rate
Enter how long it runs and your electricity price per kWh from your bill.
Read the estimate
See daily, monthly and annual energy use and running cost, with a full breakdown.
Compare & save
Compare appliances or test "what if I reduce usage" scenarios to find savings.
Electricity calculator FAQ
Clear, accurate answers about appliance electricity usage, kWh and cost estimation.