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Electricity Cost Calculator
Estimate an appliance’s energy use and electricity cost.
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How this calculation works
Estimate an appliance’s energy use and electricity cost. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
C = (W ÷ 1000) × h × d × p
Good to know
Results are estimates for informational purposes.
Example calculation
1,500 ÷ 1,000 × 3 × 30 = 135 kWh
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the Electricity Cost Calculator calculate?
Estimate an appliance’s energy use and electricity cost. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Electricity Cost Calculator use?
It applies C = (W ÷ 1000) × h × d × p. Values, fees, rules or timing not represented by an input are not added automatically.

