Rent vs Buy Calculator (Breakeven & Opportunity Cost)
Compare renting against buying over your horizon: mortgage P&I, tax, insurance, maintenance, equity at sale, opportunity cost, and the exact year buying pulls ahead.
Rent vs Buy — interactive calculator, computed instantly in your browser.
Rent vs Buy: The Breakeven Math Behind the Biggest Financial Decision
rent cumulative vs (upfront + monthly ownership − equity back at sale)
Early years renting wins (fees + moving costs); equity growth eventually overtakes the head start
Nobody wins a rent-versus-buy argument with a rule of thumb. This calculator builds both columns year by year — cumulative rent against the net cost of owning (everything paid in, minus what returns when the home is sold) — and reports the exact year buying pulls ahead, plus what your down payment could have earned if you had invested it instead.
1. The Real Monthly Cost of Owning
- Principal and interest come from the standard amortization formula on the amount financed
- Property tax, insurance, maintenance, and HOA dues ride along every month whether the house appreciates or not
- Closing costs at purchase and agent costs at sale bookend the position — both are percentages of price
- Check the payment against the 🏦 Mortgage Calculator for the full amortization schedule
2. What Renting Actually Costs
- Rent rarely stays still — the calculator compounds an annual increase, the default 3% mirrors long-run averages
- But renting returns a deposit instead of equity: zero maintenance risk, zero closing costs, full mobility
- The renter's hidden asset is the down payment staying invested, which the opportunity-cost card quantifies
- Keep the rent line honest against income with the 🧾 Rent Affordability Calculator
3. Equity, Appreciation, and the Exit
- Net buy cost = everything paid in − (sale value − remaining mortgage − selling costs)
- Appreciation compounds on the full home value while the mortgage shrinks on schedule — leverage works both ways
- Selling costs (default 6%) mean a home must appreciate just to break even on the exit
- Remaining-loan payoff comes from the same formula as the 📅 Amortization Schedule Calculator
4. How to Read the Breakeven
Buying front-loads its costs — fees, moving, the down payment — so renting wins early in nearly every scenario. The breakeven year is where accumulated equity growth finally erases that head start; if your expected time in the home falls before it, renting (or buying later) is the mathematically cheaper move. Confirm the budget side with the 🏠 Home Affordability Calculator before letting a spreadsheet make an emotional decision for you.
🔗 Housing Decision Toolkit
Renting keeps a down payment liquid; buying builds equity on a leveraged asset — the trade-off deserves real numbers, not rules of thumb. Check your ceiling with the 🏠 Home Affordability Calculator and more decision tools on the 💰 Financial Hub.
Already renting? The 🧾 Rent Affordability Calculator checks the 30% rule on your income side of this decision.
Frequently Asked Questions (Rent vs Buy)
Typically five to eight years in a normal market, because closing costs and the price move needed to recoup them take time. The calculator prints the exact year for your numbers — shorter with fast appreciation or rising rent, longer with high fees or flat home prices.
Yes — the opportunity-cost card compounds your down payment and closing costs at the investment return you set, showing what that cash could have earned in markets instead of sitting in wall equity.
Everything paid toward the home over the horizon — upfront, monthly payments, taxes, insurance and maintenance — minus what comes back after you sell and repay the remaining mortgage and selling costs.
Because buying pays agent fees, closing costs, and moving expenses almost immediately, while equity growth is gradual. Short time horizons rarely absorb those one-time costs — which is exactly what the year-by-year table shows.