Real Estate & Property Calculators
Make smarter property investment decisions with instant, client-side real estate analysis tools. Calculate cash flow, evaluate financing options, and model commercial acquisitions with zero tracking.
Mastering Real Estate Deal Analysis
Successful real estate investing begins with disciplined mathematical underwriting. Whether you are analyzing your first single-family turnkey rental, structuring a multi-unit BRRRR project, or coordinating a tax-deferred 1031 exchange, accurate financial metrics protect your capital and reveal your true cash-on-cash return.
GrabCalc's real estate tool suite models every critical stage of the property lifecycle: preliminary screening with the 1% Rule and Gross Rent Multiplier, in-depth cash flow projections accounting for vacancy and capital expenditure (CapEx) reserves, and advanced commercial underwriting using Debt Service Coverage Ratios (DSCR) and Triple Net (NNN) leases. All computations run 100% locally in your browser to keep your proprietary deal numbers completely private.
Cap Rate Calculator
Calculate property capitalization rates from net operating income (NOI) and purchase price to benchmark investment returns.
Cash on Cash Return Calculator
Measure your annual pre-tax cash flow relative to total cash invested, factoring in mortgage debt, closing costs, and rehab.
Rental Property Cash Flow Calculator
Model true monthly and annual rental profit after factoring in principal, interest, taxes, insurance, vacancy, and maintenance.
BRRRR Method Calculator
Analyze Buy, Rehab, Rent, Refinance, Repeat deals to calculate cash-out refinance equity, total capital left in the deal, and ongoing ROI.
70% Rule House Flipping Calculator
Determine maximum allowable offers (MAO) for fix-and-flip properties based on After Repair Value (ARV) and estimated rehab costs.
1031 Exchange Calculator
Calculate deferred capital gains taxes, depreciation recapture liabilities, and required replacement property values.
DSCR Loan Calculator
Calculate your Debt Service Coverage Ratio to verify if rental property cash flow qualifies for non-QM investor financing without personal tax returns.
Gross Rent Multiplier (GRM) Calculator
Quickly screen and compare potential multi-family or commercial rental properties by dividing property price by gross annual rent.
Airbnb & Short-Term Rental Profit Calculator
Project vacation rental income, occupancy rates, average daily rates (ADR), cleaning fees, and net operating margins.
CapEx Reserve Calculator
Calculate realistic monthly reserve funds needed for roof, HVAC, plumbing, and structural replacements across rental portfolios.
Seller Net Sheet Calculator
Estimate home seller net proceeds after deducting agent commissions, title fees, mortgage payoffs, and local transfer taxes.
Price-to-Rent Ratio Calculator
Compare median home purchase prices against annual rents across metro housing markets to identify whether it is cheaper to rent or buy.
FHA 90-Day Flip Rule Calculator
Calculate exact resale waiting periods and second appraisal requirements for properties financed with FHA buyer loans.
Triple Net (NNN) Lease Calculator
Calculate tenant property tax, building insurance, and common area maintenance (CAM) pass-throughs alongside base commercial rent.
1% Rule Calculator
Rapidly screen potential rental properties to test whether monthly gross rental income equals at least 1% of total acquisition cost.
Self-Storage Facility Valuation Calculator
Value commercial self-storage facilities using net rental square footage, unit-mix occupancy rates, operating expenses, and market cap rates.
Down Payment Calculator
Calculate your required upfront home purchase down payment across conventional and FHA loans, compare PMI costs, and find your savings timeline.
Open calculator → Real EstateClosing Costs Calculator
Estimate your total transaction fees, lender origination charges, title insurance, and prepaid escrow reserves for home purchases and sales.
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