67+ Real Estate Calculators
for Every Strategy
From investment analysis and rental property to mortgage, homebuying, fix-and-flip, commercial, and wealth building — every number a serious investor needs, in one platform.
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Click any calculator to learn what it does, who it's for, and how to use it — then sign up free to run the numbers.
Investment Analysis Calculators
15 calculatorsCash Flow Calculator
Project monthly and annual cash flow by subtracting all expenses from gross rental income.
Cap Rate Calculator
Divide NOI by purchase price to compare properties across markets, independent of financing.
Cash-on-Cash Return Calculator
Measure annual pre-tax cash flow divided by total cash invested — your real return on money put in.
ROI Calculator
Calculate total return on investment including appreciation, equity paydown, and cash flow over any hold period.
Rental Property Calculator
Full-stack analysis of a buy-and-hold rental including income, expenses, financing, and long-term returns.
BRRRR Calculator
Model the full Buy-Rehab-Rent-Refinance-Repeat cycle and quantify how much capital you recycle.
Fix & Flip Profit Calculator
Estimate total flip profit after purchase, rehab, holding, financing, and closing costs.
Maximum Allowable Offer (MAO) Calculator
Work backward from your profit target and ARV to find the highest price you can defensibly offer.
Deal Analyzer Calculator
Score any deal across multiple strategies — cash flow, flip, BRRRR, and wholesale — in one view.
Rehab Cost Estimator
Build an itemized repair budget by category before making an offer, so costs never blindside you.
Buy and Hold Calculator
Project 10-30 year wealth accumulation from a single rental including equity, cash flow, and appreciation.
Rental Yield Calculator
Calculate gross and net rental yield as a percentage of purchase price to filter deals quickly.
Gross Rent Multiplier (GRM) Calculator
Divide purchase price by annual gross rent for a fast pre-underwriting market comparison.
Debt Service Coverage Ratio (DSCR) Calculator
Divide NOI by annual debt service to check whether a property meets the 1.25x lender minimum.
Internal Rate of Return (IRR) Calculator
Calculate annualized return across a projected hold period, accounting for all cash flows and the exit.
Rental Property Calculators
10 calculatorsRent Estimator Calculator
Estimate market rent for any property type and size based on local comparables and market conditions.
Rent vs Sell Calculator
Compare the financial outcome of keeping a property as a rental versus selling it outright today.
Vacancy Rate Calculator
Model how different vacancy rate assumptions impact your NOI, cash flow, and annual returns.
Tenant Turnover Cost Calculator
Quantify lost rent, make-ready costs, leasing fees, and advertising to know the true cost of vacancy.
Property Management Fee Calculator
Calculate the total annual cost of professional management and its impact on cash flow and cap rate.
Operating Expense Ratio Calculator
Measure what percentage of gross income goes to operating expenses to benchmark property efficiency.
Rental Appreciation Calculator
Project how rent and property value compound over time under different growth rate assumptions.
Landlord Profit Calculator
Calculate net landlord profit after all operating expenses, debt service, vacancy, and management fees.
Rent Increase Calculator
Model the cash flow and NOI impact of raising rents and determine defensible increase amounts.
Multifamily Investment Calculator
Underwrite small-to-large apartment buildings with unit-by-unit rent rolls, expenses, and returns.
Mortgage Calculators
15 calculatorsMortgage Payment Calculator
Break down your monthly P&I, taxes, insurance, and see the full amortization schedule.
FHA Mortgage Calculator
Calculate FHA loan payments including the upfront MIP and annual mortgage insurance premium.
VA Mortgage Calculator
Estimate VA loan payments with the funding fee, no PMI, and 0% down payment options.
USDA Mortgage Calculator
Calculate USDA Rural Development loan payments including the guarantee fee and annual fee.
Conventional Mortgage Calculator
Model conventional loan payments with various down payment amounts and PMI thresholds.
Jumbo Loan Calculator
Calculate jumbo loan payments for properties above conforming loan limits with current rates.
Adjustable Rate Mortgage (ARM) Calculator
Model how ARM payments change at each adjustment cap over the life of the loan.
Mortgage Refinance Calculator
Compare current vs new loan terms to find monthly savings and break-even timeline.
Mortgage Payoff Calculator
See how extra principal payments accelerate payoff and reduce total interest paid.
Biweekly Mortgage Calculator
Calculate how biweekly payments effectively add one extra payment per year to cut years off your loan.
Interest-Only Mortgage Calculator
Compare interest-only vs fully amortizing payments during the interest-only period.
Loan-to-Value (LTV) Calculator
Determine LTV ratio, required down payment, and whether PMI applies at your target price.
Debt-to-Income (DTI) Calculator
Check whether your gross income-to-debt ratio meets conventional, FHA, and VA lender guidelines.
PITI Calculator
Calculate total monthly housing payment including Principal, Interest, Taxes, and Insurance.
Amortization Calculator
Generate a full amortization schedule showing the principal and interest split for every payment.
Homebuyer Calculators
10 calculatorsHome Affordability Calculator
Find the maximum purchase price you can qualify for based on income, debts, and down payment.
Down Payment Calculator
Calculate required down payment amounts for different loan programs and how to reach your goal.
Closing Cost Calculator
Estimate total closing costs for buyers and sellers including lender, title, and government fees.
Seller Concession Calculator
Determine how much a seller can contribute toward closing costs under each loan program.
Mortgage Insurance (PMI) Calculator
Calculate monthly PMI cost and when it can be removed based on equity build-up.
FHA Mortgage Insurance Premium Calculator
Calculate upfront and annual FHA MIP amounts and their impact on total monthly payment.
Rent vs Buy Calculator
Compare the true 5-10 year cost of renting versus buying, including opportunity cost of down payment.
First-Time Homebuyer Calculator
Walk first-time buyers through all costs, loan options, and assistance programs available to them.
Home Equity Calculator
Calculate available home equity, LTV, and potential HELOC or cash-out refinance amounts.
Pre-Approval Calculator
Estimate how much a lender will likely pre-approve based on income, credit, and existing debts.
Fix & Flip Calculators
6 calculatorsFlip Profit Calculator
Calculate net flip profit after all acquisition, rehab, holding, financing, and selling costs.
Rehab Budget Calculator
Build a room-by-room scope-of-work budget with itemized labor and material cost estimates.
Holding Cost Calculator
Total every cost incurred while you own a property before resale — loan interest, taxes, utilities.
Hard Money Loan Calculator
Calculate interest-only payments, points, and total cost on a bridge or hard money loan.
After Repair Value (ARV) Calculator
Estimate post-renovation market value using recent comparable sales and adjustment factors.
Wholesale Fee Calculator
Calculate your assignment fee as the spread between contract price and end-buyer purchase price.
Commercial Real Estate Calculators
6 calculatorsCommercial Cap Rate Calculator
Calculate cap rate for office, retail, industrial, or mixed-use properties to compare investment value.
Commercial DSCR Calculator
Check whether commercial NOI meets the 1.25x debt service coverage ratio required by most lenders.
Commercial Loan Calculator
Calculate commercial mortgage payments, amortization, and balloon payment on investor loans.
NOI (Net Operating Income) Calculator
Calculate net operating income — gross income minus operating expenses before debt service.
Commercial Property Value Calculator
Value commercial property using the income approach by dividing stabilized NOI by market cap rate.
Multifamily Valuation Calculator
Determine apartment building value using GRM, cap rate income approach, and per-unit comparables.
Wealth Building & Financial Calculators
5 calculatorsNet Worth Calculator
Track total assets minus liabilities to measure real estate contribution to overall net worth.
Compound Interest Calculator
Model how equity, cash flow, and reinvested returns compound into long-term wealth.
Retirement Wealth Calculator
Project retirement income from real estate holdings and determine portfolio size needed for financial independence.
Real Estate Portfolio Growth Calculator
Model how acquiring properties systematically over time builds equity and passive income.
Financial Freedom Calculator
Calculate when passive real estate income will fully replace your living expenses.
Everything included with membership
REI Vault Pro is built for investors who run deals seriously. Every calculator is included with your membership — along with AI-powered analysis, live mortgage rates, deal scoring, and more.
- All 67 calculators — unlimited usage
- Live FRED mortgage rate pre-fill on interest rate fields
- AI-powered plain-English insights on every result
- Auto-save deals to the cloud
- AI Deal Analyzer, DSCR underwriting, Multifamily tools
- Investor CRM + deal pipeline
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