Tool library
Electricity calculators
Pick a task, enter your own tariff and get a transparent estimate. All calculations run locally in your browser.
Electricity Cost Calculator
Price any electrical device from watts, hours and your tariff.
CalculatorWatts to kWh Calculator
Convert power and time into energy used.
CalculatorElectric Heater Cost
Estimate portable electric-heater running cost.
CalculatorAir Fryer Cost
Calculate one session, a week or a month.
CalculatorTumble Dryer Cost
Estimate electricity used by a tumble dryer.
CalculatorWashing Machine Cost
Turn machine wattage and cycle time into cost.
CalculatorGaming PC Cost
Estimate energy cost for gaming or workstation use.
CalculatorAir Conditioner Cost
Estimate AC running cost using input power.
CalculatorDehumidifier Cost
Price long daily run-times without guesswork.
CalculatorEV Charging Cost
Estimate a charging session and driving-energy cost.
CalculatorSolar Savings Calculator
Estimate the annual value of solar generation.
CalculatorNo matching calculator yet. Try a broader search such as “heating”, “EV” or “kWh”.