Electricity cost calculator
Estimate energy use and cost from power, usage time and electricity price.
Let’s run the numbers
USDTHE NUMBERS, MADE CLEARInstant calculation
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Check your inputs and select Calculate.
Enter the per-kWh price from your local bill. Results cover device energy only, not automatic tiered or time-of-use pricing, fixed charges or taxes.
Common uses
Estimate daily and total electricity use and cost for one or more identical appliances.
BEHIND THE NUMBERSFormula & assumptions
kWh = W / 1000 × h × d × n
Enter the per-kWh price from your local bill. Results cover device energy only, not automatic tiered or time-of-use pricing, fixed charges or taxes.