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Calculate all key real estate metrics quickly, easily, and on your mobile device – ideal for landlords and real estate investors.

With this app, you can realistically analyze real estate investments and compare properties based on reliable data, not just gut feeling.

Why this real estate calculator?

✔ All key real estate metrics in one app
✔ Easy to understand and precise
✔ Fast results – no registration required
✔ For beginners and experienced real estate investors
✔ Ideal for Germany (acquisition costs for all federal states)
✔ Modern, user-friendly design

Whether it's gross rental yield, net rental yield, return on equity, cash flow, or the optimal maintenance reserve – with the opacta real estate calculator, you have all relevant key figures at your fingertips and can make better investment decisions.

opacta is a platform for landlords and real estate investors.

We help landlords manage their properties efficiently and profitably. In our landlord packages, we provide all the essential documents for landlord practice – including lease agreements, templates for operating cost statements, rent increase notices, and termination notices.

The opacta real estate calculator complements this offering with clear, reliable real estate key figures for informed investment decisions. Calculate

It's easy:

1. Gross Rental Yield Calculator
Calculate the gross rental yield of your property based on the purchase price and annual rental income. Ideal for initial property comparisons.

2. Net Rental Yield Calculator
The net rental yield calculator also considers ongoing costs such as management fees, service charges, and maintenance reserves – for a realistic return on investment.

3. Return on Equity Calculator
How efficiently is your invested capital working?

The return on equity calculator shows how much debt financing and leverage affect your return.

4. Maintenance Reserve Calculator
Plan for the long term:
With the maintenance reserve calculator, you can determine a sensible reserve per year or per square meter – adjusted to the year your property was built.

5. Real Estate Cash Flow Calculator
Calculate the monthly and annual cash flow of your property.

6. Closing Costs Calculator
The closing costs calculator shows you the actual total costs of buying a property – including real estate transfer tax, notary and land registry fees, and real estate agent commissions.

Source of real estate transfer tax rates:
Real estate transfer tax laws of the German states, see also the official website of the Brandenburg tax office, "Real Estate Transfer Tax," accessible at: https://finanzamt.brandenburg.de/fa/de/steuern/steuerinformationen/grunderwerbsteuer/

Disclaimer:

This app is provided by opacta UG (limited liability). It is not affiliated with any authority, government agency, or other public institution and does not represent any such entity. All content has been compiled to the best of our knowledge and belief, but without guarantee of completeness, accuracy, or timeliness. For legally binding information, please contact the relevant authority directly. Liability for damages arising from the use of this app is excluded.