Real Estate

Rent vs. Buy Calculator

Compare the total financial cost of renting versus buying a home over 1 to 30 years, factoring in home appreciation, rent inflation, and equity growth.

What this calculator does

The Rent vs. Buy Calculator estimates your result instantly from the values you enter, using standard real estate formulas. Compare the total financial cost of renting versus buying a home over 1 to 30 years, factoring in home appreciation, rent inflation, and equity growth. Calculations run in your browser, so nothing you type is sent to a server, and the output is an estimate for planning rather than financial advice.

About Rent vs. Buy Calculator

The Rent vs. Buy Calculator performs an in-depth financial comparison between homeownership and renting over customized time horizons, factoring in home price appreciation, tax deductions, maintenance costs, and investment returns on saved down payment capital.

Formula & Mathematical Calculation

Net Cost of Buying = Down Payment + Cumulative Mortgage Payments + Taxes + Maintenance - Equity at Sale - Net Proceeds

Net Cost of Renting = Cumulative Rent + Renters Insurance - Investment Growth of Saved Down Payment

Calculation Example

10-Year Analysis ($350k Home vs. $1,800/mo Rent): After 10 years @ 3.5% appreciation and 3% rent growth, Buying builds $168,000 in net wealth vs. Renting.

Key Benefits

  • Compares cumulative cash flow and net worth growth over 1 to 30 years
  • Factors in property appreciation, mortgage principal paydown, and equity
  • Accounts for ongoing property taxes, HOA fees, and maintenance costs (1-2%/yr)
  • Models opportunity cost of investing down payment in index funds
  • Identifies the exact break-even year where buying beats renting

How to Use this Calculator

  1. Enter Home Purchase Details
    Input target home price, down payment, interest rate, and property taxes.
  2. Enter Rent & Investment Details
    Input monthly rent, expected rent inflation, and alternative investment return.
  3. Set Time Horizon
    Choose how many years you plan to stay in the home.
  4. Compare Wealth Outcomes
    Click Calculate to view cumulative costs and net worth comparison charts.

Assumptions & Limitations

What the calculation assumes

  • Every value you enter is treated as an exact, known amount.
  • Rates and contributions are assumed to stay constant for the whole period unless the form asks for them separately.
  • Results use standard financial formulas and ignore fees, penalties and promotional terms that are not entered above.
  • Inflation, tax changes and market volatility are not modelled unless a field for them is provided.
  • Amounts are unit-agnostic: results are returned in the same currency you enter.

What it does not cover

  • Rent vs. Buy Calculator produces estimates for education and planning, not a quote, offer or professional advice.
  • Real-world outcomes differ when fees, taxes, rounding rules or provider-specific terms apply.
  • Local regulations and tax rules vary by country and change over time; verify current rules for your jurisdiction.
  • Figures are only as accurate as the inputs you supply — check them before acting on the result.
  • For decisions with lasting financial impact, confirm the numbers with a qualified professional.

Frequently Asked Questions

In most real estate markets, the break-even period where buying becomes cheaper than renting is typically between 3 and 7 years due to upfront transaction and closing costs.

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Next step: browse the full Real Estate calculators or read the related guides for context before you decide.