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Rent vs Buy Calculator

Find the break-even point and compare 5, 10, 20-year costs of renting vs buying

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Break-Even Year
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Monthly cost (buying)$0
Monthly cost (renting)$0
Net worth at break-even (buy)$0
Net worth at break-even (rent)$0
Metric 5 Years 10 Years 20 Years
Total paid (buying)———
Total paid (renting)———
Net worth (buying)———
Net worth (renting)———
Buying advantage———

Net worth (buying) = home equity. Net worth (renting) = invested down payment + invested monthly savings at 6% annual return.

🏠 Buying
Principal & Interest$0
Property Tax$0
Home Insurance$0
Maintenance$0
PMI (if <20% down)$0
Total Monthly$0
Net cost (after equity)$0
🏘️ Renting
Rent$0
Renter's Insurance$15
Total Monthly$0
Monthly difference$0

Rent vs Buy: How to Calculate the True Break-Even Point

The rent vs buy decision is one of the most significant financial choices most people make in their lifetime. Yet most people make it based on emotion — the desire to own, the feeling of stability, or societal pressure — rather than hard numbers. The truth is, both renting and buying can be the smarter financial choice depending on your specific situation, local market, and time horizon.

The break-even point is the year at which the total cumulative cost of buying a home falls below the total cumulative cost of renting. Before that year, renting is cheaper. After that year, buying has built more wealth. For a $400,000 home at 6.75% with $2,000/month rent, the break-even typically falls around year 7.

To calculate it properly, you must account for all costs on both sides. Buying costs include: mortgage principal and interest, property taxes (~1.2% of value annually), homeowner's insurance (~$1,400/year), maintenance (1% of value annually = $4,000/year on a $400k home), and closing costs (typically 3% when buying, 6–8% when selling). Against these costs, you subtract the equity built through principal paydown and home appreciation.

Renting costs include: monthly rent (which typically rises 3% per year), renter's insurance (about $15/month), and the opportunity cost of the down payment — the return you'd earn if that money were invested instead of sitting in home equity.

The Price-to-Rent Ratio

A quick initial test is the price-to-rent ratio: divide the home's purchase price by the annual rent. A ratio below 15 generally favors buying; 15–20 is neutral; above 20 favors renting. A $400,000 home with $2,000/month rent ($24,000/year) gives a ratio of 16.7 — roughly neutral. In expensive cities, ratios routinely hit 30–40, meaning renting is strongly favored unless you plan a very long stay.

Hidden Costs of Homeownership vs Renting

Many first-time buyers are shocked by the true monthly cost of ownership. A mortgage payment on a $340,000 loan (after $60k down) at 6.75% for 30 years is $2,205/month. But that's only the beginning:

  • Property taxes: At 1.2% on a $400k home = $4,800/year = $400/month
  • Homeowner's insurance: $1,400/year = $117/month
  • Maintenance: 1% rule = $4,000/year = $333/month
  • PMI (if under 20% down): ~$125–200/month until 20% equity

Total monthly cost: roughly $3,055 — vs. $2,000 to rent. That's a $1,055/month premium to own, before accounting for equity building and appreciation.

Renters have often-underappreciated advantages: complete flexibility to move, zero maintenance responsibility, no exposure to declining home values, and the ability to invest rather than lock capital into an illiquid asset.

The Opportunity Cost of the Down Payment

One of the most overlooked factors in the rent vs buy analysis is what the down payment could earn if invested instead. A $60,000 down payment invested in a diversified index fund at 7% annual returns would grow to approximately $118,000 in 10 years and $232,000 in 20 years. That capital is locked in home equity when you buy — and home equity earns the home appreciation rate, not market returns.

This is not an argument against buying — home equity is real wealth. But it means the true comparison isn't "mortgage vs rent" — it's "total ownership costs minus equity built vs rent costs plus investment returns on the down payment."

When Buying Clearly Wins

Buying makes the most financial sense when:

  • Long-term stay: You plan to live there 10+ years, comfortably exceeding the break-even point
  • Appreciating market: Local prices have historically risen faster than the national average
  • Low price-to-rent ratio: Monthly ownership costs are close to or below rental costs in the area
  • Stable employment: You have job security and a consistent income to handle variable costs
  • Substantial down payment: 20%+ down avoids PMI and significantly reduces total interest paid
  • You value stability: Non-financial factors like community roots and customization have real value too

Frequently Asked Questions

How do I calculate whether renting or buying is cheaper? ▼
To compare renting vs buying, you must account for all costs on both sides. Buying costs include mortgage payments (principal + interest), property taxes, insurance, maintenance (typically 1% of home value per year), and closing costs. Renting costs include monthly rent (which increases annually), renter's insurance, and the opportunity cost of not investing your down payment. The break-even point is when cumulative buying costs fall below cumulative renting costs — typically 5–10 years depending on the market.
What is the price-to-rent ratio and how do I use it? ▼
The price-to-rent ratio divides the home's purchase price by annual rent. A ratio below 15 generally favors buying; 15–20 is neutral; above 20 favors renting. For example, a $400,000 home with $2,000/month rent = $24,000/year rent gives a ratio of 16.7, which is in the neutral zone. In expensive cities like San Francisco or New York, ratios often exceed 30, strongly favoring renting.
How many years do I need to stay to make buying worth it? ▼
The break-even point — where buying becomes cheaper than renting — typically ranges from 4 to 10 years depending on your local market, down payment size, interest rate, and rent growth. In most US markets with typical assumptions (6.75% mortgage, 3% rent growth, 4% appreciation), the break-even falls around year 6–8. If you plan to stay fewer than 5 years, renting is almost always the better financial choice after accounting for closing costs.
Does buying a home always build more wealth than renting? ▼
Not necessarily. Home equity builds wealth, but so does investing the down payment. A $60,000 down payment invested at 7% annual returns grows to $118,000 in 10 years. Homeowners also face ongoing costs (maintenance, taxes, insurance) that renters avoid. Studies show that long-term renters who invest consistently can build comparable or greater wealth than homeowners — the key variable is whether the renter actually invests the difference.
What are the hidden costs of homeownership? ▼
Beyond the mortgage payment, homeowners face: (1) Property taxes — typically 0.5%–2.5% of home value annually. (2) Homeowner's insurance — roughly $1,200–$2,000/year. (3) Maintenance — the 1% rule suggests budgeting 1% of home value per year ($4,000 on a $400k home). (4) HOA fees if applicable — can be $200–$800/month. (5) PMI if down payment is below 20% — adds 0.5–1% of loan amount annually. (6) Closing costs when buying (3–5%) and selling (6–8% in agent commissions and fees).
How does home appreciation affect the rent vs buy decision? ▼
Home appreciation is one of the most powerful factors favoring buying over time. At 4% annual appreciation, a $400,000 home is worth $592,000 after 10 years — a $192,000 gain. However, appreciation is not guaranteed and varies enormously by location. During the 2008 financial crisis, many markets fell 30–50%. For planning, use conservative estimates: 2–4% annual appreciation. Higher appreciation significantly shortens the break-even period.
What is the 5% rule for renting vs buying? ▼
The 5% rule states that the annual unrecoverable cost of owning a home is roughly 5% of the home's value: 1% property tax + 1% maintenance/insurance + 3% opportunity cost of down payment and equity. If your annual rent is less than 5% of the home's purchase price, renting is likely better financially. Example: a $400,000 home → 5% = $20,000/year → $1,667/month. If rent is under $1,667, renting wins on cost alone.
Should I buy a home in a high cost-of-living city? ▼
In high cost-of-living cities (New York, San Francisco, Los Angeles), price-to-rent ratios are often 25–40x, making renting considerably cheaper on a monthly basis. However, these markets have also seen the strongest long-term appreciation. The decision depends on: your expected tenure (shorter = rent), your down payment size, local rent growth rates, and personal factors like stability and lifestyle. Many financial advisors in HCOL cities recommend renting and investing the difference unless you have a strong reason to stay 10+ years.
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