Free Real Estate Calculators for Every Decision
Mortgage payments, home affordability, flip profit, cap rates, rental cash flow — instant answers, no signup required.
50+ Free Tools · No Signup · Instant Results · 2026 Data
Most Popular Tools
Mortgage Payment Calculator
Calculate your monthly principal & interest payment for any loan amount, rate, and term.
Calculate now →Home Affordability Calculator
Find the maximum home price you can afford based on income, debts, and down payment.
Calculate now →Fix & Flip Profit Calculator
Calculate net profit, ROI, and annualized return on your next fix and flip project.
Calculate now →Rent vs Buy Calculator
Compare the true long-term cost of renting vs buying a home over any time horizon.
Calculate now →Rental Cash Flow Calculator
Calculate monthly and annual cash flow for any rental property with full expense breakdown.
Calculate now →Cap Rate Calculator
Compute the capitalization rate for any investment property from gross rent and expenses.
Calculate now →Browse by Category
Mortgage Calculators
Payment, affordability, refinance, PMI, ARM vs fixed, and more. 10 tools.
10 tools →Home Buying Calculators
Affordability, down payment, closing costs, FHA, VA, USDA, rent vs buy.
10 tools →Home Selling Calculators
Net proceeds, commission, capital gains, equity, renovation ROI, break-even.
10 tools →Investment Calculators
Fix & flip, cap rate, cash-on-cash, DSCR, ARV, 70% rule, buy & hold.
10 tools →Rental Property Calculators
Cash flow, NOI, yield, vacancy, expense, STR vs LTR, landlord ROI.
10 tools →Why Use HomeCostTools?
Every real estate decision involves numbers. HomeCostTools gives you instant, accurate calculationsfor every phase of the real estate journey — from your first mortgage payment estimate to analyzing a rental property's cap rate or modeling a fix-and-flip profit.
Our calculators use 2026 market data, standard lending formulas, and real-world assumptions to deliver results you can rely on. Unlike generic one-line calculators, each tool includes a full breakdown, key insights, and tips to improve your financial outcome.
50 Tools Across 5 Categories
Whether you're calculating a biweekly mortgage savings, comparing a 15-year vs 30-year loan, estimating DSCR for a DSCR loan lender, or deciding whether to sell or rent your home — every tool you need is here, free, with no account required.
Also: Renovation Cost Estimates
Need to estimate the cost of a kitchen remodel, deck, or roof before running your renovation ROI? Our partner site FreeProjectEstimator.com has 50+ free home improvement cost calculators with detailed material and labor breakdowns.
Need renovation cost estimates? Visit FreeProjectEstimator.com →