Electricity Calculator
All-in-one electrical calculator: kWh, cost, amps, and more.
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How It Works
All-in-one electrical calculator: kWh, cost, amps, and more. Enter your values and press Calculate for instant results with a full formula breakdown.
Formula
kWh = W x h / 1000Quick Reference
Common calculations — results you can verify instantly.
120V, 5A device
120×5
600W power
240V, 15A dryer
240×15
3,600W (3.6kW)
Monthly cost 600W, 8hr
0.6×8×30×$0.12
$17.28/month
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