Electricity bill estimate
Electricity bill estimate: use load, hours per day, days. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Cost = W/1000 × hours/day × days × price + fixed charges
Variables & units
- Load
- W · minimum 0, maximum 1000000000000
- Hours per day
- h/day · minimum 0, maximum 24
- Days
- Numeric value · minimum 1, maximum 366
- Cost per kWh
- currency/kWh · minimum 0, maximum 1000000000000
- Fixed charges
- currency · minimum 0, maximum 1000000000000
Worked example
Change the supplied example values to match your circuit.
Assumptions
Constant load and flat supplied tariff. Tiered pricing, time-of-use rates, tax and demand charges are excluded.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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