Know What Your Energy Really Costs
Free, simple calculators to help you understand how much electricity your appliances, heating, computers and other everyday equipment cost to run.
Start with our Appliance Running Cost Calculator
Enter an appliance’s wattage, how long you use it and your electricity price to estimate its running cost per hour, day, week, month and year.
Explore Our Energy Cost Calculators
Use our free calculators to explore everyday electricity costs and compare different ways of using energy. Choose a calculator below, enter your own electricity price and usage details, and get an estimate based on your circumstances.
Electric Heater Running Cost Calculator
How much does it cost to run a 1kW, 2kW or 3kW electric heater? Calculate your estimated heating costs and see how thermostat cycling could affect your electricity bill.
Air Fryer vs Oven Electricity Cost Calculator
Compare the estimated cost of cooking the same meal in an air fryer and an electric oven. Enter each appliance’s wattage, cooking time and electricity price to discover the potential difference per meal, week, month and year.
