Watts to kWh
Watts to kWh: use watts, duration. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Energy = power × duration
Variables & units
- Watts
- Numeric value · minimum 0, maximum 1000000000000
- Duration
- h · minimum 0.000001, maximum 1000000000000
Worked example
Change the supplied example values to match your circuit.
Assumptions
Enter duration in hours. Energy and power are different physical quantities.
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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