Free investor calculators

The same formulas that power RehabROI — free, no signup. Run a deal, then track it in RehabROI.

Quick Deal Check

Three steps — address, purchase, ARV, rehab — to a flip viability verdict, projected profit, and your 70% rule max offer.

All-Exit Deal Calculator

Compare Fix & Flip, long-term rental, short-term rental, BRRRR, and Hold on one property — net profit, cash-on-cash, and cash flow side by side.

MAO / Flip Profit Calculator

Find your Maximum Allowable Offer with the 70% rule and a margin-of-safety check, plus a Buy / Renegotiate / Walk-Away verdict.

Rehab Budget Estimator

Room-by-room ballpark for a rehab budget by finish level — kitchens, baths, systems, and contingency.

Holding Cost Calculator

Estimate the monthly and total carrying cost of a flip: loan interest, taxes, insurance, and other costs over your hold.

BRRRR Calculator

Model a Buy/Rehab/Rent/Refinance/Repeat deal: capital recovered at refinance, cash left in the deal, cash-on-cash, cash flow, and cap rate.

Contractor Bid Comparison

Line up 2–5 contractor bids apples-to-apples, flag missing scope, and highlight pricing outliers.