MEASURE · PLAN · MAKE IT COUNT
Electricity use calculator
Estimate kWh and variable cost with your tariff.
Metric units as labelled. Prices, where used, are in EUR.
Method and limits
Electrical input watts ÷ 1000 × daily hours × days × effective operating percentage. Multiply kWh by your entered price. Thermal air-conditioning capacity is not electrical input. Fixed charges are excluded.
Worked example
With the editable starting values: 60 kWh in the period. 12 € variable cost · 2 kWh per day · 0.2 €/kWh. Excludes fixed charges.
- Electrical input power (W): 1000
- Daily hours of use: 2
- Days in period: 30
- Effective time at that power (%): 100
- Final variable price (€/kWh): 0.2
Frequently asked questions
Are these starting values recommendations?
No. They are editable examples. Use your own measurements and the product label or quoted specification.
What should I check before using the result?
Electrical input watts ÷ 1000 × daily hours × days × effective operating percentage. Multiply kWh by your entered price. Thermal air-conditioning capacity is not electrical input. Fixed charges are excluded.
Are units and prices converted automatically?
No. These tools use the metric units shown next to each field. Monetary inputs and results are in EUR; enter the relevant EUR tariff or quote. No currency conversion or live prices are applied.