Free tools
Real estate investment calculators
19 tools for underwriting a deal you are thinking of buying — from the first offer through the closing table. Everything runs in your browser, nothing is saved, and every set of numbers has its own link you can send to a partner or a lender.
Selling a contract rather than buying one? The wholesaler calculators work the same deal from the other side.
Buying & flipping
What to offer, what it will cost to fix, and what you make on the exit.
ARV Calculator
What will this property be worth once the work is done?
Estimate after-repair value from comparable sales, adjusted for size and condition.
Maximum Allowable Offer Calculator
What is the most I can offer on this house?
The most you can pay and still hit your margin, using the 70% rule or your own.
Fix and Flip Calculator
What do I actually make on this flip?
Full flip pro forma: purchase, rehab, holding, selling costs, and net profit.
BRRRR Calculator
How much of my cash comes back out at refinance?
Buy, rehab, rent, refinance, repeat — including cash left in the deal after refi.
Scope of Work Calculator
What will this rehab actually cost?
Build a line-item rehab budget by room and system, with contingency.
Desktop Appraisal Calculator
What would an appraiser put this at?
Value a property from adjusted comps the way an appraiser reconciles them.
Rental performance
What a property earns once it is rented, and what that return really is.
Rental Property Calculator
Is this rental a good buy?
Complete rental analysis: income, expenses, financing, cash flow and returns.
Cash Flow Calculator
What does this property put in my pocket each month?
Monthly and annual cash flow after every operating expense and the mortgage.
Cash on Cash Return Calculator
What return am I getting on the money I put in?
Annual pre-tax cash flow over the cash you actually put into the deal.
IRR Calculator
What is my annualized return over the full hold?
Internal rate of return across the whole hold, including the exit.
Prorated Rent Calculator
How much rent is owed for a mid-month move-in?
Rent owed for a partial month, by daily rate or banker's month.
Loans & financing
What a lender will lend, what it costs, and whether the deal covers it.
DSCR Calculator
Does this property's income cover the loan payment?
Debt service coverage ratio — whether the property covers its own debt.
DSCR Loan Calculator
How much will a DSCR lender give me on this property?
What a DSCR lender will lend, sized by coverage ratio rather than your income.
DTI Calculator
Will my debt-to-income ratio qualify?
Front-end and back-end debt-to-income, against common lender thresholds.
Fix and Flip Loan Calculator
What does this hard money loan really cost me?
Hard money sizing: LTC, LTARV, points, draws and the true cost of the money.
Ground Up Construction Calculator
What does it cost to build this, start to finish?
Land, build cost, construction draws and interest through to certificate of occupancy.
Land Loan Calculator
What will carrying this land cost me?
Payments and carry on raw or entitled land, where terms are short and down payments large.
Closing & costs
The line items either side of the settlement table.
These calculators estimate results from the numbers you enter. They do not know the property, your lender’s terms, local taxes or the rules of your state, and they are not financial, tax or legal advice. Nothing here has been reviewed by a lawyer.