Rent Calculator
Calculate warm rent, cold rent and rent per square meter. With utility and operating costs. With current tax rates per federal state and 2026 reference values.
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 2026: 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.
Step-by-Step Guide
How to calculate Ihre Mietkosten step by step: 1. Kaltmiete enter: Die reine Miete ohne Nebenkosten laut Mietvertrag. 2. Betriebskosten addieren: property tax (Grundsteuer), Muellabfuhr, Wasser/Abwasser, Hausmeister, Gebaeudeversicherung, Treppenhausreinigung u. a. average: ca. 2,50-3,50 EUR/qm. 3. Heizkosten addieren: Je nach Energieart und Verbrauch ca. 1,00-2,00 EUR/qm. 4. Warmmiete = Kaltmiete + Betriebskosten + Heizkosten. 5. Quadratmeterpreis calculate: Kaltmiete / Wohnflaeche = EUR/qm. compare Sie mit dem oertlichen Mietspiegel. 6. Mietpreisbremse pruefen: In angespannten Wohnungsmaerkten darf die Miete bei Neuvermietung max. 10 % ueber der ortsueblichen Vergleichsmiete liegen. Ausnahmen: Neubau und umfassende Modernisierung. 7. Mietanteil am income: Empfehlung: max. 30 % des Nettoeinkommens fuer die Warmmiete.
Calculation Example
70-qm-Wohnung in Muenchen. Kaltmiete: 980 EUR (14 EUR/qm). Betriebskosten: 210 EUR (3,00 EUR/qm). Heizkosten: 98 EUR (1,40 EUR/qm). Warmmiete: 1.288 EUR/month.
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