Technology & digital
Calculation method and formula
Average power draw [W] ÷ 1000 × Use per day [h] × Use days per month × Electricity price per kWh
Understand the inputs
- Average power draw
- Unit: W. Minimum 0. Use a measured value or your own assumption.
- Use per day
- Unit: Std.. Minimum 0. Use a measured value or your own assumption.
- Use days per month
- Minimum 0. Maximum 31. Use a measured value or your own assumption.
- Electricity price per kWh
- Minimum 0. Use a measured value or your own assumption.
Assumptions and limitations
Energy in kWh is not power in W or kW. Use measured average power or the stated annual consumption; include standby and fixed charges separately when supported.
The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.