Energy Cost Calculator
Calculate annual energy cost and savings from efficiency changes.
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How It Works
Calculate annual energy cost and savings from efficiency changes. Enter your values and press Calculate for instant results with a full formula breakdown.
Formula
Annual cost = kWh x Rate x DaysQuick Reference
Common calculations — results you can verify instantly.
2000W AC, 8hr/day, 30 days
2×8×30×$0.12
$57.60/month
1500W heater, 4hr/day
1.5×4×30×$0.12
$21.60/month
60W LED × 10 bulbs
0.6×8×30×$0.12
$17.28/month
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