Rent Calculator
Calculate warm rent, cold rent and rent per square meter. With utility and operating costs.
Calculate Warm Rent
Warm Rent / Month
1.050,00 €
Warm Rent / Year
12.600,00 €
Check Rent Increase
Rent increase likely permissible
Increase: 100,00 € (12,5%)
Cap limit: max. 20% in 3 years
Max. permissible new rent: 960,00 €
Note: These calculations are for informational purposes only and do not replace professional tax or financial advice. All information without guarantee.
Frequently Asked Questions
How is the maximum allowable rent determined?
The local rent index (Mietspiegel) determines the comparative rent. In areas with a rent brake (Mietpreisbremse), new rents may not exceed 10% above the comparative rent, with some exceptions.
What is included in the warm rent?
Warm rent (Warmmiete) includes the base rent (Kaltmiete) plus utilities (heating, water, waste, property management). Electricity and internet are usually paid separately by the tenant.
What is the Rent Calculator?
The rent calculator computes the warm rent from cold rent and ancillary costs or determines the per-square-metre rent for comparison with the rent index.
How does the Rent Calculator work?
Enter the cold rent, service charges and heating costs. The calculator computes the warm rent and the price per square metre. A comparison with the local rent index shows whether your rent is reasonable.
Key Data and Facts
Average rent Germany 2025: approx. 8-9 euros/sqm cold (new lettings). Service charges: approx. 2.50-3.50 euros/sqm. Rent brake: max. 10% above the local comparative rent.
Related Calculators
Real Estate Calculator
Comprehensive calculation for property purchase. Purchase price, ancillary costs, financing and return.
Home Purchase Ancillary Costs Calculator
Calculate all ancillary costs when buying a house. Transfer tax, notary, land registry and broker.
Buy or Rent Calculator
Compare the total costs of buying and renting. Find out which is more worthwhile for you.
Price-to-Rent Ratio Calculator
Determine the price-to-rent ratio (multiplier) of a property as investment.