Free calculators
Assess your consumption, compare costs, check your monthly instalment: all calculators show how they calculate and run entirely in your browser. Nothing is saved or sent.
How much electricity does a household like yours use? The calculator shows the average consumption according to the Stromspiegel (electricity consumption benchmark) and places your own annual consumption in classes A to G.
Open the calculatorHow much gas does a flat or house of your size need? The calculator estimates the annual consumption using the values of the Heizspiegel 2026 (heating benchmark) and assesses your own consumption.
Open the calculatorYour gas meter measures cubic metres, but your bill is calculated in kilowatt hours. With the calorific value (Brennwert) and conversion factor (Zustandszahl) from your bill, you can convert the consumption yourself.
Open the calculatorHow much do your TV, games console or fan heater cost per year? Enter the power, hours of use and standby.
Open the calculatorWhat does your tariff really cost? From consumption, unit price and standing charge, the calculator works out your annual costs, the monthly amount and your average price per kilowatt hour.
Open the calculatorCompare your current tariff with a new offer. The calculator separates the first year with the bonus from the second year without the bonus – so you can see whether an offer is cheaper in the long term.
Open the calculatorAre you paying a high enough monthly instalment (Abschlag)? Enter two meter readings with their dates. The calculator projects your consumption over a year and shows the right instalment as well as a possible back payment (Nachzahlung) or credit (Guthaben).
Open the calculatorHow much electricity does a heat pump need in your house, and what does that cost compared with gas? Start with your current gas consumption or with your living space.
Open the calculatorHow much does your electric car cost in electricity per year? The calculator takes into account charging losses and different prices at home and at public charging points.
Open the calculatorHow much electricity does a balcony solar system (Balkonkraftwerk) produce, how much of it do you use yourself, and when has it paid for itself? The calculator uses rule-of-thumb values for Germany.
Open the calculatorNo. All calculators work in your browser. Your entries are neither saved nor sent to us or to third parties.
They are example values based on current average prices and benchmarks, for example the BDEW electricity price analysis and the Stromspiegel (electricity consumption benchmark). The sources are listed on each calculator page. For your own result, it is best to enter the values from your bill.
No. The calculators give estimates for guidance. We will gladly prepare a firm quote with specific tariffs for you – free and with no obligation.
Call us, send us a message on WhatsApp or by email, or request a quote directly. We give advice by phone or Microsoft Teams – in German, Persian and English.
