Aubre J. StacknickPiatt Sotheby's International Realty
Calculators

Run the numbers yourself.

Free tools that work out the math before you commit. Estimate what you would net from a sale, a monthly payment, a price range that fits, or an investment property's returns. Nothing you type is saved or sent.

Staircase and entry hall of a custom home
For sellers

Home sale calculator

Estimate what you would walk away with after selling, once the costs come out.

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For buyers

Mortgage calculator

See the monthly payment on a price, down payment, rate, and term, with taxes and insurance.

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For buyers

Affordability calculator

Work out a price range that fits your income, debts, and down payment.

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For buyers

Buyer closing costs calculator

Add your down payment, fees, prepaids, and credits to estimate the cash you need on closing day.

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For homeowners

Refinance break-even calculator

See the monthly savings from a lower rate and how many months it takes to earn back the cost.

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For investors

Investment property calculator

Cash flow, cap rate, and cash-on-cash return, with a repair reserve for what the building will cost to keep.

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All calculations are estimates and provided for informational purposes only. Actual amounts may vary. These tools are for general education. They are not legal, tax, or investment advice and they do not guarantee any return. Talk with a qualified lender, accountant, or attorney before you buy or sell.

Want a real analysis?

Bring me an address.

I run the numbers with checked rent comps, the real tax bill, and a builder's read on the repairs.

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Next step

See the whole picture before you make your move.

A 30-minute call. Bring the address, the question, or the decision you are stuck on.

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