Add up cold rent, operating costs and heating into the warm rent, see the price per square metre, and check the rent-to-income ratio.
How to use the Rent Calculator
Enter your cold rent, operating costs and heating.
Add the living area, and optionally your net income.
See the warm rent, price per square metre and rent-to-income ratio.
Frequently asked questions
Cold rent (Kaltmiete) is the rent for the flat alone. Warm rent (Warmmiete) adds operating costs and heating, so it is closer to what you actually pay each month.
A common guideline is to keep warm rent at or below roughly 30 % of net household income. Above 40 % is generally considered a high burden, though it depends on your other costs.
It lets you compare flats of different sizes and gauge whether a rent is in line with the local market. The tool shows both cold and warm rent per square metre.
No. Leave it at zero to just see the warm rent and price per square metre. Enter a net income to also see the rent-to-income ratio.
This rent calculator combines cold rent, cold operating costs and heating into the warm rent, the figure that matters for your monthly budget, and shows the price per square metre for both.
If you enter your net household income, it also shows the rent-to-income ratio with a simple traffic-light guide. It is a planning aid for renters and flat hunters; everything runs in your browser.
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