Real Estate Calculators
Free calculators for property buyers and investors across the UK, US, Poland, Germany, Spain, France, Italy and Switzerland. Find the right calculator for buying, investing, financing, taxes and property comparisons across eight markets.
No signup. No paywall. Tax, lending and regulatory tools are based on primary sources; estimate tools make their assumptions clear. Results are estimates, not financial, tax or legal advice.
Find the right calculator
Choose your goal, market and question. MMDAI will point you to the closest available tool.
Choose where the property is.
Compare property decisions across markets.
Cash Needed to Buy Property
Across Markets
Compare the deposit, purchase taxes, transaction costs and total upfront cash required across six property markets.
Rent vs Buy Property
Across Markets
Compare buyer wealth with a renter's invested capital under the same property, rent, financing and time assumptions.
Rental Return
Across Markets
Compare monthly rental cash, cash-on-cash return and break-even rent after costs, financing, tax and reserves across eight markets.
Mortgage Affordability
Across Markets
Compare affordable property prices and binding limits under local income, debt, deposit and stress-test rules.