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Personal Finance/Rent vs Buy Calculator

Rent vs Buy Calculator

Compare the true cost of renting and buying — including closing costs, maintenance, equity, and what your down payment could earn instead.

RENT VS BUYBreak-even yearTrue net costEquity buildupInvestment gap
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The CalculatorPage 1
The home
20% · $90,000 down
Renting instead
Assumptions
Years before selling or moving out.
Year 13break-even year
Renting wins: renting is $19,286 cheaper over 10 years at these assumptions.
Monthly cost — buy$3,213
Monthly cost — rent$2,315
Upfront cash (down + closing)$103,500
Mortgage loan$360,000 · $2,275/mo P&I
Home value in 10 yrs$604,762
Mortgage balance in 10 yrs$305,194
Net sale proceeds$263,283
Renter’s invested portfolio$282,569
Buy net cost$225,771
Rent net cost$206,485
Break-evenYear 13
Key assumption: the renter invests the down payment, closing costs, and any month where renting costs less than owning. Remove that assumption and buying looks better. This model is a scenario, not a prediction.
🔒 Private: your income, rent, and home numbers stay in this browser. Nothing is uploaded.
Data Source & Legal Disclaimer
Effective: 2026-01-01Last updated: 2026-10-22Update: Annual
Sources: CFPB — Buying a house · IRS — Home mortgage interest deduction

A long-term planning model, not a prediction. It assumes constant property taxes, insurance, HOA, and maintenance; annual rent and home-price growth; and a steady investment return. It excludes mortgage-interest and property-tax deductions, capital-gains exclusions, transaction timing, and local market differences. Actual results vary.

See all data sources & update policy →
How it worksPage 2

The numbers behind the verdict

At these assumptions, buying pulls ahead of renting in year 13. Over 10 years, renting is $19,286 cheaper.

Where buying overtakes renting
0102030yrRenting cheaperBuying cheaperYour horizon: 10 yearsBreak-even · year 13Buy$225,771Rent$206,485Net cost at year 10. Both bars share the same scale; negative values are shown at the axis.

Net cost subtracts the sale proceeds (owner) and investment gains (renter) from what each path spends. Bars show net cost at your 10-year horizon — shorter is better.

Net cost over time
Lower is better. Net cost subtracts the sale proceeds (for owners) and investment gains on the down payment and monthly savings (for renters) from what each path spends. The crossing point is the break-even year.
$0$100k$200k$300kYear 1Year 2Year 3Year 4Year 5Year 6Year 7Year 8Year 9Year 10
Drag to zoom · scroll to zoom · click to reset
Where the monthly payment goes
First full month of ownership. Principal builds equity; the other lines are money you do not get back. PMI appears only when the down payment is under 20%.
Total
$3,213
Year-by-year comparison
Break-even: year 13
YearHome valueMortgageNet sale proceedsBuy net costRent net costCheaper
1$463,500$355,976$79,714$62,342$21,277Rent
2$477,405$351,683$97,078$83,533$42,367Rent
3$491,727$347,102$115,121$104,045$63,286Rent
4$506,479$342,214$133,876$123,846$84,049Rent
5$521,673$337,000$153,373$142,903$104,674Rent
6$537,324$331,435$173,649$161,183$125,180Rent
7$553,443$325,498$194,738$178,649$145,589Rent
8$570,047$319,164$216,680$195,263$165,925Rent
9$587,148$312,405$239,514$210,984$186,214Rent
10$604,762$305,194$263,283$225,771$206,485Rent
The math behind the comparison
monthly mortgage = P × r(1 + r)n ÷ ((1 + r)n − 1)
buy net cost = down payment + closing costs + ownership payments − net sale proceeds − investment gains
rent net cost = rent + renter insurance − investment gains on the down payment and monthly savings

Both paths start with the same cash. The renter invests the down payment and closing costs that the buyer spends, plus any month where renting is cheaper than owning. That is why the renter's line can stay below the buyer's for years even while rent rises.

A worked example

A $450,000 home with 20% down at 6.5% over 30 years. Rent starts at $2,300 a month, grows 3% a year, and the buyer stays 10 years. Home prices grow 3% a year; investments earn 6%.

  1. Upfront cash:$90,000 down payment + 3% closing costs ($13,500) = $103,500.
  2. Monthly cost of owning:Principal and interest $2,275 + property tax $413 + insurance $150 + maintenance $375 = about $3,213. Renting costs $2,315 including renter insurance.
  3. The renter’s hidden asset:The renter invests the $103,500 and the roughly $898 monthly difference. At 6%, that portfolio grows to about $283,000 over 10 years — gains of roughly $112,000 offset the rent.
  4. The seller’s proceeds:After 10 years the home is worth about $605,000. Selling costs take 6%, the mortgage balance is about $305,000, leaving roughly $263,000 of net proceeds.
  5. The verdict:Netting everything out, owning costs about $226,000 over 10 years and renting about $206,000 — renting wins by roughly $19,000. The lines cross in year 13 in this sample, after which the owner pulls ahead.
What the model includes — and what it leaves out7
ItemTreatmentWhy it matters
Closing costsIncluded (default 3% buying, 6% selling)They are sunk immediately and must be recovered before buying breaks even.
MaintenanceIncluded (default 1% of price per year)Owners pay for repairs that renters never see as a separate line.
PMIIncluded while the down payment is under 20%The insurance protects the lender, not you, and can add hundreds per month.
Mortgage interest deductionExcludedThe standard deduction and the SALT cap mean many owners get little or no benefit.
Investment returnApplied to the renter’s down payment and monthly savingsThis opportunity cost is the single biggest reason renting can win for short stays.
InflationRent and home values grow; other costs held flatA simplifying assumption. Insurance, taxes, and maintenance usually rise too.
Local marketOne national-style set of assumptionsSupply, taxes, and appreciation vary enormously by metro — treat the output as a scenario.

Change one assumption at a time and watch the break-even year move. The verdict is only as good as the inputs, especially appreciation, investment return, and how long you stay.

FAQ & detailsPage 3

About this tool

What is this tool?

Compare renting and buying with closing costs, maintenance, PMI, equity, and investment returns. See your break-even year and net cost over time. Free.

Break-even yearTrue net costEquity buildupInvestment gap

What the Rent vs Buy Calculator Compares

Most rent-versus-buy debates compare a mortgage payment with a rent check and stop there. This calculator compares the full cash picture over a chosen horizon. On the buying side it includes the down payment, closing costs, principal and interest, property tax, homeowners insurance, HOA dues, maintenance, PMI when the down payment is under 20%, home appreciation, and selling costs at the end. On the renting side it includes rent that grows each year, renter insurance, and — crucially — the investment return on the cash a buyer would have spent. The result is a break-even year, a net cost for each path, and a chart showing how the gap changes over time. The default scenario models a $450,000 home with 20% down at 6.5%, rent of $2,300 growing 3% a year, and a 10-year stay.

How the Simulation Works

Each month the mortgage amortizes on a 30-, 20-, or 15-year schedule, with PMI charged until the balance drops below 80% of the purchase price. Property tax, insurance, HOA, and maintenance are added to the ownership cost; rent grows annually at the rate you choose. Both paths start with the same cash: the buyer spends the down payment and closing costs, while the renter invests that same amount at the assumed return. In any month where owning costs more than renting, the renter invests the difference; in months where renting costs more, the buyer invests the difference. At the end of each year the model sells the home, pays the remaining mortgage and selling costs, and subtracts those proceeds from what the buyer spent. The renter’s net cost subtracts only the investment gains, not the contributions, so both figures measure consumption rather than savings.

Why the Break-Even Year Moves

Buying has large upfront and exit costs: closing costs at purchase and agent fees at sale can easily total 9% of the price. Those costs have to be recovered through appreciation and principal payments before owning pulls ahead. A short stay therefore favors renting almost regardless of the market; a long stay gives the owner time to amortize the transaction costs and build equity. Appreciation is the second lever: at 3% a year a home roughly doubles in 24 years, but at 1% it barely keeps pace with inflation. The investment return matters just as much on the renter side, because the down payment is a large sum that could be compounding elsewhere. A 10-year horizon with high investment returns and modest appreciation is the scenario where renting most often wins; a 20-year horizon with normal appreciation usually flips the result.

Hidden Costs on Both Sides

Owners routinely underestimate maintenance — roofs, HVAC, water heaters, and appliances arrive on their own schedule — and transaction costs at both ends of the purchase. Renters face annual increases that compound, less control over their living situation, and no equity, but they avoid repair bills and can move for a job without a six-figure asset to sell. The honest way to use this tool is as a scenario engine: run the base case, then stress-test it. Try appreciation at 1% instead of 3%, investment returns at 4% instead of 6%, and a horizon of 5 versus 15 years. If buying still wins across most reasonable assumptions and you plan to stay, the decision is robust. If the verdict flips on small changes, the decision is close enough that lifestyle and flexibility should decide. This is educational modeling, not financial advice; consult a lender and a tax professional for your specific situation.

Frequently Asked Questions

How is the break-even year calculated?

The model simulates both paths year by year and compares their net costs. For the buyer, net cost is the down payment plus closing costs plus every ownership payment, minus net sale proceeds after selling costs and the mortgage payoff. For the renter, net cost is rent plus renter insurance, minus the investment gains on the cash that would have gone into the house. The first year the buyer’s net cost falls below the renter’s is the break-even year.

Does this include the mortgage interest tax deduction?

No. The model deliberately excludes it. Since the 2018 standard deduction increase and the $10,000 SALT cap, many homeowners receive little or no marginal benefit from itemizing mortgage interest and property taxes. The benefit depends on your filing status, other deductions, and state taxes. If you know your marginal benefit, treat it as a reduction in the monthly ownership cost and compare again.

Is renting just throwing money away?

No. Rent buys shelter, flexibility, and freedom from maintenance and transaction costs. The renter in this model also invests the down payment, closing costs, and any monthly savings, which is real wealth that does not appear in a rent check. Buying builds equity, but the first years are dominated by interest, closing costs, and maintenance. Which path wins depends mainly on how long you stay and what returns you assume.

What assumptions matter most?

The horizon, home appreciation, and investment return drive most of the result. A longer stay gives the buyer more time to amortize closing and selling costs; higher appreciation favors buying; higher investment returns favor renting. Small changes compound: a one-point difference in either growth rate can move break-even by years. Change one input at a time and watch the crossing point rather than trusting a single verdict.

How much should I put down?

A larger down payment lowers the loan, the monthly payment, and PMI, but it also ties up cash that could earn a return elsewhere. This calculator applies PMI automatically when the down payment is under 20% and removes it once the amortized balance falls below 80% of the purchase price. Compare 5%, 10%, and 20% scenarios; the best answer depends on your emergency fund, job stability, and local market.

Does the calculator account for maintenance and repairs?

Yes. It includes an annual maintenance allowance, defaulting to 1% of the home price, plus property tax, homeowners insurance, HOA dues, and PMI when applicable. These are silently large: on a $450,000 home, 1% maintenance is $4,500 a year, or $375 a month. Renters avoid these direct costs, though landlords recover them through rent over time.

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