Tools
Real estate calculators
Professional-grade, client-side calculators with transparent formulas. Start with the full residential suite — commercial, investment, and financing tools expand from here.
Residential
Homebuyer and homeowner tools — payments, affordability, closing costs, and the rent-vs-buy decision.
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Commercial
CRE metrics: DSCR, LTV, cap rate, break-even occupancy, price/SF, IRR, and full deal analysis.
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Investment Analysis
Rental cash flow, NOI, cap rate, BRRRR, house hacking, and full deal analysis.
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Financing
Loan sizing, refinance math, and payment structures.
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Category
Residential
Homebuyer and homeowner tools — payments, affordability, closing costs, and the rent-vs-buy decision.
Mortgage Payment
LiveEstimate your full monthly housing payment: principal & interest, property tax, homeowners insurance, PMI, and HOA.
Principal & interest plus taxes, insurance, PMI
Open calculatorMortgage Affordability
LiveWork backward from income, debts, down payment, and target DTI to an estimated maximum purchase price.
Income and DTI → estimated max home price
Open calculatorClosing Cost Estimator
LiveSketch buyer or seller closing costs using a percentage-of-price model. Local transfer taxes and customs vary widely.
Buyer or seller cost range as % of price
Open calculatorRent vs Buy
LiveCompare cumulative renting costs with the carrying cost of buying over a chosen horizon, including a simple equity estimate.
Multi-year cost and equity comparison
Open calculatorAmortization Schedule
LiveFull amortizing schedule for a fixed-rate loan — payment split, running balance, and cumulative interest.
Month-by-month principal, interest, and balance
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Commercial
CRE metrics: DSCR, LTV, cap rate, break-even occupancy, price/SF, IRR, and full deal analysis.
Commercial Mortgage Payment
LiveCommercial loan payment with optional IO period, amortizing P&I, and annual fees.
Amortizing P&I with optional interest-only
Open calculatorCommercial Cap Rate
LiveStabilized capitalization rate built from gross income, vacancy, and operating expenses.
GOI → vacancy → OpEx → NOI ÷ price
Open calculatorCommercial Cash-on-Cash
LiveBefore-tax cash-on-cash return using NOI, amortizing debt service, and total cash invested.
NOI, debt service, equity cash yield
Open calculatorDSCR Calculator
LiveDebt service coverage ratio, pass/fail vs lender minimum, and maximum supportable loan.
NOI ÷ debt service + max loan at min DSCR
Open calculatorLTV Calculator
LiveLoan-to-value ratio, equity cushion, and maximum loan at a program LTV cap.
Loan-to-value, equity, headroom to max LTV
Open calculatorOperating Expense Ratio
LiveOperating expense ratio and NOI margin from effective gross income and expenses.
OpEx ÷ EGI and NOI margin
Open calculatorBreak-even Occupancy
LiveBreak-even occupancy percentage where income covers operating expenses and debt service.
Occupancy needed to cover OpEx + debt
Open calculatorPrice per SF / Unit
LivePrice per square foot, price per unit, and NOI density metrics for comps.
Price & NOI normalized by size
Open calculatorSimple IRR Estimator
LiveEducational IRR from constant annual cash flows and a terminal equity residual.
Level CFs + exit → IRR & equity multiple
Open calculatorCommercial Investment Analyzer
LiveComprehensive commercial underwriting: income, leverage, DSCR, LTV, cap, CoC, break-even occupancy, exit cap, and hold-period IRR.
Full CRE dashboard: cap, DSCR, CoC, IRR
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Investment Analysis
Rental cash flow, NOI, cap rate, BRRRR, house hacking, and full deal analysis.
Cash Flow Calculator
LiveCalculate before-tax cash flow from rents, vacancy, operating expenses, and debt service.
Income → expenses → monthly & annual BTCF
Open calculatorCap Rate Calculator
LiveCompute capitalization rate from NOI and price, plus implied price/NOI at a target cap.
NOI ÷ price with target-cap solvers
Open calculatorCash-on-Cash Return
LiveMeasure annual cash yield on total equity invested after debt service.
Annual BTCF ÷ cash invested
Open calculatorNOI Calculator
LiveBuild net operating income from unit rents, other income, vacancy, and a full expense stack.
Gross income → vacancy → OpEx → NOI
Open calculatorGross Rent Multiplier
LiveQuick screening multiple for rentals — years of gross rent equal to price.
Price ÷ gross annual rent
Open calculatorBRRRR Strategy Analyzer
LiveModel all-in basis, ARV refinance, cash left in the deal, NOI, and post-refi cash-on-cash.
Buy, rehab, rent, refinance, repeat
Open calculatorHouse Hacking ROI
LiveEstimate net housing cost and effective return when you live in part of the property and rent the remainder.
Owner-occupy + rent the rest
Open calculatorInvestment Property Analyzer
LiveComprehensive underwriting: purchase, loan, income, expenses, vacancy — outputs cash flow, cap rate, cash-on-cash, NOI, DSCR, GRM, and a hold-period sketch.
All-in deal dashboard: CF, cap, CoC, NOI, DSCR
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Financing
Loan sizing, refinance math, and payment structures.
Refinance Break-Even
SoonCompare current vs new P&I and estimate break-even months.
New payment & months to recover costs
On the roadmapLoan Qualifying Payment
SoonInvert the mortgage formula from a monthly payment budget.
Max loan from a P&I budget
On the roadmapPrefer guided learning first?
Pair every calculator with plain-language guides on buying, selling, investing, and market literacy.