Rent vs. Buy Calculator
Compare the true total cost of renting versus buying a home over any time horizon. This calculator accounts for mortgage payments, property taxes, insurance, maintenance, home appreciation, tax benefits, closing costs, rent increases, and the opportunity cost of your down payment.
| Year | Buy: Monthly | Rent: Monthly | Home Value | Equity | Renter Portfolio | Buy Net Wealth | Rent Net Wealth |
|---|
| Metric | Buying | Renting |
|---|
How to Use This Calculator
Start with the basics: home price, down payment, mortgage rate, and loan term. Then set your monthly rent. That’s enough for a quick comparison — the calculator fills in reasonable defaults for everything else.
For a more precise analysis, expand the Buying Costs section and adjust property taxes, homeowner’s insurance, HOA fees, maintenance, closing costs, home appreciation, and your marginal tax rate (for the mortgage interest deduction).
On the renting side, set the annual rent increase (typically 2–5%) and renter’s insurance. The investment return rate models what a renter could earn by investing the down payment and any monthly savings into the stock market.
The time horizon is critical. Buying almost always wins over long periods (10+ years) because you build equity while rent only goes up. Renting often wins over short periods (1–4 years) because of the upfront costs of buying. The breakeven point tells you exactly where the crossover happens.
How the Rent vs. Buy Calculation Works
This isn’t a simple mortgage payment comparison. The calculator builds a year-by-year model that tracks the true net wealth position for each scenario:
The key insight: a renter isn’t just “throwing money away.” If they invest the down payment and the monthly difference between buying and renting costs, that investment grows over time. This opportunity cost of the down payment is the most overlooked factor in the rent vs. buy decision.
The 5-Year Rule and Breakeven Analysis
The common rule of thumb says “buy if you’ll stay at least 5 years.” This calculator lets you see exactly where your breakeven point falls given your specific numbers.
| Time Horizon | Typical Winner | Why |
|---|---|---|
| 1–3 years | Renting | Closing costs and transaction fees eat into any equity built; down payment earns better returns invested |
| 3–5 years | Depends on numbers | Breakeven zone — sensitive to appreciation rate, rent increases, and mortgage rate |
| 5–10 years | Usually buying | Enough time for appreciation and equity to overcome transaction costs |
| 10+ years | Almost always buying | Mortgage gets paid down, rent keeps rising, home appreciation compounds significantly |
Try changing the home appreciation rate from 3% to 1%, or the investment return from 7% to 10%. Small changes in these assumptions can shift the breakeven by 3–5 years. This is why the “always buy” or “always rent” advice is too simplistic — the answer is always “it depends on your numbers.”
Hidden Costs That Change the Answer
Most rent-vs-buy comparisons only look at the mortgage payment versus rent. Here’s what they miss:
| Hidden Cost | Typical Amount | Favors |
|---|---|---|
| Closing costs (buy) | 2–5% of home price | Renting (buyers pay upfront) |
| Closing costs (sell) | 5–8% (agent fees + transfer taxes) | Renting (sellers pay at exit) |
| Maintenance & repairs | 1–2% of home value per year | Renting (landlord pays) |
| Opportunity cost of down payment | Varies (7% return = $5,600/yr on $80K) | Renting (down payment could be invested) |
| Mortgage interest deduction | Saves 22–37% of interest paid (if itemizing) | Buying (tax benefit) |
| Home appreciation | ~3% national avg, varies widely by market | Buying (wealth creation) |
| Rent increases | 2–5% per year | Buying (mortgage is fixed) |
| PMI (if <20% down) | 0.5–1% of loan per year | Renting (extra buyer cost) |
The default 3% appreciation assumes normal conditions. Markets can stay flat for a decade (see 2006–2016 in many metros) or decline. If you set appreciation to 0%, the breakeven point extends dramatically. Always test pessimistic scenarios — not just the base case. See the full rent vs. buy analysis guide for historical data.
How Much House Can You Actually Afford?
Before deciding to buy, make sure the numbers work for your budget. The standard debt-to-income ratio guideline says your total monthly housing cost (PITI + HOA) shouldn’t exceed 28% of gross monthly income. Total debt payments shouldn’t exceed 36%.
Use the mortgage calculator to see your exact monthly PITI payment and the affordability guide to determine your budget. For the full range of mortgage options, see the mortgage types explained guide and compare fixed vs. adjustable rates.
Related Tools
| Calculator | What It Does | Use With Rent vs. Buy When… |
|---|---|---|
| Mortgage Calculator | Full PITI breakdown with amortization schedule | Getting the exact monthly payment for your buying scenario |
| Loan Amortization Calculator | Period-by-period principal and interest breakdown | Understanding how much of each payment builds equity |
| Compound Interest Calculator | Projects investment growth over time | Modeling what the renter’s invested down payment could grow to |
| Inflation Calculator | Shows purchasing power erosion over time | Understanding how rent increases erode renter’s advantage |
| Savings Goal Calculator | Plans monthly savings for a target amount | Building a down payment savings plan |
FAQ
Is it cheaper to rent or buy?
It depends on your specific numbers and time horizon. Buying typically wins over long periods (7+ years) because you build equity, your mortgage payment is fixed while rent rises, and home appreciation creates wealth. Renting wins short-term because you avoid massive transaction costs (closing costs alone can be 3–8% of the home price) and can invest the down payment elsewhere.
What is the opportunity cost of a down payment?
It’s the return you give up by putting money into a house instead of investing it. An $80,000 down payment invested at 7% would grow to about $157,000 in 10 years. That’s the renter’s hidden advantage — their capital stays liquid and compounds in the market. The buy side counters with home appreciation, but it’s leveraged (you get appreciation on the full home value, not just the down payment).
How does the mortgage interest deduction affect the comparison?
The mortgage interest deduction lets homeowners who itemize deductions reduce their taxable income by the amount of mortgage interest paid. At a 24% marginal rate with $20,000 in annual interest, that’s $4,800 in tax savings. However, the 2017 Tax Cuts and Jobs Act raised the standard deduction, so fewer homeowners actually benefit from itemizing. This calculator factors it in, but the real-world benefit is smaller than most people assume.
Should I buy if I plan to stay less than 5 years?
Usually no. With 3% buying closing costs and 6% selling costs, you’re starting 9% in the hole. At 3% annual appreciation, it takes about 3 years just to break even on transaction costs — and that’s before accounting for the opportunity cost of your down payment. Run your specific numbers here, but short stays strongly favor renting.
What home appreciation rate should I use?
The national long-term average is about 3–4% annually, roughly tracking inflation. But location matters enormously — some metros have seen 8–10% annually while others have been flat. Use your local market data. For a conservative analysis, use 2–3%. For a realistic but slightly optimistic view, 3–4%.
Does this calculator include PMI?
The model assumes you put 20% or more down, avoiding PMI. If your down payment is less than 20%, you’d need to add roughly 0.5–1% of the loan amount annually to the buying costs. Use the mortgage calculator for automatic PMI calculations.
What investment return should renters assume?
A diversified stock portfolio has historically returned about 7% annually after inflation, or about 10% nominal. Use 7% for a reasonable long-term assumption. If you’d keep the money in a high-yield savings account (4–5%), use that instead. Higher assumed returns favor renting; lower returns favor buying.
How do rent increases change the calculation?
Rent increases are one of buying’s biggest advantages. A fixed-rate mortgage payment never changes, but rent at 3% annual growth doubles in 24 years. Over a 10-year horizon, your rent payment in year 10 is 34% higher than year 1. This erodes renting’s cost advantage over time and is a major reason buying wins in longer analyses.
Key Takeaways
- Time horizon is the biggest factor. Buying almost always wins over 10+ years. Renting usually wins under 3 years. The 3–7 year range is where the answer depends heavily on your specific inputs.
- The opportunity cost of the down payment is the most overlooked variable. An $80K down payment invested at 7% grows to $157K in 10 years — that’s real money a renter keeps working in the market.
- Transaction costs crush short holds. Between buying closing costs (3%) and selling costs (6%), you start 9% behind. Home appreciation needs years just to dig out of that hole.
- Rent increases are buying’s best friend. A fixed mortgage payment looks increasingly cheap as rent rises 3–5% annually. Over a decade, this compounding difference is substantial.
- Test pessimistic scenarios. The default 3% appreciation and 7% investment return are reasonable averages — but markets don’t deliver averages. Try 0% appreciation and 10% investment return to see how the breakeven shifts.
- Use the mortgage calculator for exact payment details and the affordability guide to confirm the purchase is within your budget before deciding to buy.