Free real estate investment calculators

Run the numbers on a deal before you make an offer. Each calculator shows its formula and a worked example. Nothing is pre-filled with guesses: you enter your own estimates.

BRRRR Calculator

See how much cash stays in a BRRRR deal after the refinance, and what the rent leaves you each month.

Fix and Flip Calculator

Add up purchase, renovation, holding and selling costs to see the profit and ROI on a flip.

Rental Cash Flow Calculator

Monthly cash flow, cap rate, cash-on-cash return and debt coverage for a financed rental.

Maximum Offer Calculator (70% Rule)

Work back from the after-repair value to the most you should offer, by target profit and by the 70% rule.

Mortgage Payment Calculator

Monthly payment and total interest, with US monthly or Canadian semi-annual compounding.