Calculators
Prove the deal before you own it.
A property either pencils or it does not, and finding out afterward is expensive. Every calculator here is free, needs no account, and shows exactly how it reached each number, so you can bring the assumptions instead of accepting ours.
Market Intelligence Beta
Market Negotiation Plan
Turn your ceiling and the market's own conditions into an opening offer, counter plan, and walk-away price, without crossing your own economics.
Build a plan → Market IntelligenceMarket Explorer
Screen 2,300+ U.S. cities and 33,000+ ZIP Codes on cash flow, growth, and stability before you underwrite a single property.
Explore markets →Market Intelligence
Choose a market and set your negotiating strategyDeal & Ownership
Underwrite, finance, operate, and eventually sell or exchange
Cash Flow & DSCRDecide whether a rental's cash flow and DSCR clear your bar.
Fix & Flip ROICheck a flip's net profit after every cost, not just the 70% rule.
BRRRRSee cash left in the deal after the refinance.
Cap RateJudge whether the asking price is justified by NOI.
AffordabilitySee how much home your income and debt actually support.
Mortgage PaymentGet the real monthly payment and the payoff curve.
Refinance Break-EvenFind out when a refinance actually pays for itself.
Mortgage PayoffSee what extra payments save in time and interest.
PMI RemovalKnow the exact date PMI should end, and what it costs until then.
Closing CostsBudget the cash you will need to close.
Tax ProrationSplit the property tax bill correctly at closing.
Seller Net SheetSee what a seller actually walks away with.
Rent vs BuyCompare the true all-in cost of renting versus buying.
1031 ExchangeWork out deferred gain, boot, and basis on a like-kind exchange.
STR / Airbnb IncomeTurn nightly rate and occupancy into net income, compared with a long-term lease.
Property TrackerTrack equity, cash flow, and return for properties you already own; free with an account.