Real estate calculators
15 professional, ad-light tools, each with a documented, versioned formula, step-by-step breakdown, worked example and honest limitations. Results are educational estimates, not financial advice.
Rental & Investment
Rental Property ROI Calculator
Estimate annual return on a rental property, with a clear split between leveraged cash-on-cash return and unleveraged property ROI.
Formula v1.0.0 · Tested
Rental Yield Calculator
Compare gross and net rental yield side by side, with the formulas and expense treatment explained.
Formula v1.0.0 · Tested
Cash on Cash Return Calculator
Measure the pre-tax cash yield on the cash you actually put into a deal, the metric income-focused investors track.
Formula v1.0.0 · Tested
Rental Cash Flow Calculator
Month-by-month reality check: effective income after vacancy, operating costs, and the cash flow left after the mortgage.
Formula v1.0.0 · Tested
BRRRR Calculator
Model the full Buy-Rehab-Rent-Refinance-Repeat cycle: cash recovered at refinance, cash left in the deal, and post-refi cash-on-cash return.
Formula v1.0.0 · Tested
Financing
Mortgage Calculator
Monthly principal & interest plus a full housing-cost estimate: taxes, insurance, HOA and PMI kept clearly separate.
Formula v1.0.0 · Tested
Home Affordability Calculator
Estimate the home price your income can support under configurable debt-to-income assumptions, clearly labelled as an estimate, not an approval.
Formula v1.0.0 · Tested
Mortgage Amortization Calculator
See the complete repayment schedule, principal vs interest every month, remaining balance, and how extra payments shorten the loan.
Formula v1.0.0 · Tested
DSCR Calculator
Debt Service Coverage Ratio = NOI ÷ annual debt service, the lender's core test of whether income can carry the loan.
Formula v1.0.0 · Tested
LTV Calculator
Loan-to-Value ratio, equity and refinancing bands, the single number lenders anchor on for risk.
Formula v1.0.0 · Tested
Valuation
Cap Rate Calculator
Compute the capitalization rate from income, vacancy and expenses, with debt service correctly excluded from NOI.
Formula v1.0.0 · Tested
Property Appreciation Calculator
Project future property value with compound growth, including total appreciation, annualized growth and percentage change.
Formula v1.0.0 · Tested
Price Per Area Calculator
Normalize any listing to price per square foot and per square meter with exact conversion factors, compare markets fairly.
Formula v1.0.0 · Tested
Flipping & Projects
Break-Even Calculator
Find the point where a project stops losing money, cash break-even units and the payback period that recovers your initial investment.
Formula v1.0.0 · Tested
House Flipping Calculator
Full flip profit model: acquisition, rehab, holding and financing costs against resale, with ROI, margin and break-even resale price.
Formula v1.0.0 · Tested