Electricity Cost Calculator
Estimate daily, monthly and annual energy use and electricity cost for an appliance.
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Energy Calculators
Calculate estimated energy and cost from electrical input power and actual use time. Rated power, operating patterns and local rates can differ from real-world results.
Electricity use calculators
Air Conditioner Electricity Cost
Compare an air conditioner’s estimated running cost with and without a duty-cycle adjustment.
Open calculatorPC Power Cost Calculator
Estimate a desktop computer’s electricity use from power, time and your local tariff.
Open calculatorResults depend on your inputs and local conditions. Our calculators show their formulas and assumptions; verify important costs with a qualified local professional.