Mortgage Vs Rent Break Even Calculator
Quickly compute mortgage vs rent break even with accurate formulas. See amortization schedules, growth projections, and side-by-side comparisons.
Reviewed for accuracy by Sahil, Senior Finance & Tax Editor
Mortgage Vs Rent Break Even Calculator
Calculator
Adjust values & calculateEnter your values below. Every result is computed in your browser — no data is sent to any server.
Formula: Break-Even Year: when Net Buy Cost < Net Rent Cost
Additional inputs: Closing Costs (%), Monthly Rent ($), Rent Increase (%/yr), Investment Return (%).
Worked example — Break-even typically occurs around year 5-6 when equity growth and appreciation outpace rent savings and investment returns
Formula
Break-Even Year: when Net Buy Cost < Net Rent Cost
Net Buy Cost = Cumulative ownership costs - equity - appreciation. Net Rent Cost = Cumulative rent paid - investment returns on down payment. The break-even year is when buying becomes cheaper than renting on a net wealth basis.
Worked Examples
Example 1: Typical Suburban Home Purchase
Problem:Compare buying a $350,000 home (20% down, 6.5% rate, 30yr) vs renting at $1,800/month (3% annual increases). Investment return on savings: 7%.
Solution:Down payment: $70,000 | Loan: $280,000 Monthly P&I: $1,770 | Property tax: $350/mo | Insurance: $125/mo Total monthly buy cost: ~$2,245 vs $1,800 rent Year 1: Buy costs more by ~$5,340/yr Home appreciates 3.5%/yr, rent increases 3%/yr Equity builds as principal is paid down Break-even occurs when cumulative net buy cost < net rent cost
Result:Break-even typically occurs around year 5-6 when equity growth and appreciation outpace rent savings and investment returns
Example 2: High-Cost City Comparison
Problem:Compare buying a $750,000 condo (10% down, 7% rate, 30yr) vs renting at $3,200/month. Include $400/mo HOA. Investment return: 8%.
Solution:Down payment: $75,000 | Loan: $675,000 | Closing: $22,500 Monthly P&I: $4,491 | Tax: $750 | Insurance: $167 | HOA: $400 Total monthly buy: ~$5,808 vs $3,200 rent Monthly gap: $2,608/mo ($31,296/yr) DP + closing invested at 8%: grows to ~$143,000 in 10yr Higher price means longer break-even period
Result:Break-even may extend to 8-12 years in high-cost markets due to large monthly payment gap
Frequently Asked Questions
How do you determine the break-even point between buying and renting?
The break-even point is the number of years at which the total cost of owning a home (including mortgage payments, property taxes, insurance, maintenance, and closing costs, minus equity built and appreciation) equals the total cost of renting (including rent payments minus the investment returns you would have earned on the down payment and closing costs). Before the break-even point, renting is typically cheaper because buying has large upfront costs like down payment, closing costs, and higher initial monthly costs compared to rent. After the break-even point, buying becomes more advantageous because you are building equity, benefiting from home appreciation, and your mortgage payment is fixed while rent increases annually. The typical break-even period ranges from 3 to 7 years depending on local market conditions.
What costs are involved in buying a home that renters avoid?
Homebuyers face several costs that renters do not. The down payment (typically 3 to 20 percent of the home price) represents a large upfront cash requirement. Closing costs add another 2 to 5 percent and include loan origination fees, appraisal, title insurance, attorney fees, and recording fees. Ongoing ownership costs include property taxes (typically 0.5 to 2.5 percent of home value annually), homeowner's insurance, private mortgage insurance if the down payment is below 20 percent, HOA fees for condos and planned communities, and maintenance and repairs averaging 1 to 2 percent of home value per year. Additionally, selling a home costs 5 to 6 percent in real estate commissions and transfer taxes. These costs mean short-term homeownership often costs more than renting, making the expected duration of stay a critical factor in the buy versus rent decision.
How does home appreciation affect the buy vs rent calculation?
Home appreciation is one of the most significant variables in the buy versus rent analysis because it directly affects equity growth and is leveraged by mortgage debt. If you buy a $350,000 home with 20 percent down ($70,000), and the home appreciates 3.5 percent to $362,250 in year one, you gained $12,250 on a $70,000 investment, a 17.5 percent return on equity due to leverage. Historical US home prices have appreciated approximately 3 to 4 percent annually on average, though this varies dramatically by region and time period. Some markets have seen double-digit annual appreciation while others have experienced declines. Conservative analysis should use 2 to 3 percent appreciation, while optimistic scenarios might use 4 to 5 percent. The key insight is that appreciation multiplied by leverage makes buying increasingly advantageous over longer time horizons.
What is the opportunity cost of a down payment?
The opportunity cost of a down payment represents the investment returns you forgo by putting money into a home rather than investing it in stocks, bonds, or other assets. A $70,000 down payment invested in a diversified stock portfolio averaging 7 percent annual returns would grow to approximately $137,000 in 10 years and $271,000 in 20 years. This must be compared against the equity and appreciation gains from homeownership. The opportunity cost calculation is crucial because it represents real wealth that a renter could accumulate. However, the comparison is imperfect because the down payment also acts as leveraged exposure to real estate appreciation, which can outperform stock market returns in strong housing markets. The tax advantages of homeownership, including mortgage interest and property tax deductions, further complicate the comparison.
How does rent growth rate impact the long-term comparison?
Rent growth rate is a powerful factor that increasingly favors buying over time. While mortgage payments remain fixed for the life of a fixed-rate loan, rents typically increase 2 to 5 percent annually due to inflation, market demand, and rising property values. At 3 percent annual rent increase, a $1,800 monthly rent becomes $2,420 in 10 years and $3,254 in 20 years. Meanwhile, a fixed mortgage payment stays constant in nominal terms and actually decreases in real (inflation-adjusted) terms. After 10 to 15 years, the monthly cost advantage of buying over renting can become substantial. In high-growth markets like major metropolitan areas, rent increases can exceed 5 percent annually, dramatically shortening the break-even period. Conversely, in markets with flat or declining rents, renting can remain cheaper for much longer periods.
How much rent can I actually afford?
The traditional benchmark is the 30% rule — rent at or below 30% of gross monthly income — and most landlords screen on a related test, requiring gross annual income of roughly 40 times the monthly rent. Both are blunt instruments: 30% of gross can be crushing on a modest income in a high-tax state and comfortable on a high income, because what actually constrains you is what is left after tax and after fixed obligations. A more honest affordability check works from net pay: subtract debt payments, insurance, childcare, and a real savings contribution, and treat the remainder as the ceiling on rent plus utilities. Budget for the full cost of occupancy, not the headline rent — renters insurance, utilities not included in the lease, parking, and pet rent commonly add 10-20%.
Should I include roommates or a partner in a rent affordability calculation?
Include them only in the way the lease does. On a joint lease every tenant is typically jointly and severally liable, meaning each person can be pursued for the entire rent if the others stop paying — so the safe affordability test is whether your own share still fits your budget with margin, not whether the combined income clears the threshold. Where incomes differ substantially, splitting rent proportionally to income rather than evenly keeps the burden similar for both people. If a roommate's departure would push your share above the ceiling your own income supports, either negotiate a replacement clause into the lease or pick a cheaper unit.
What credit score do I need for the best mortgage rates?
A FICO score of 760 or higher typically qualifies you for the lowest advertised mortgage rates. Dropping from 760 to 700 can cost you 0.25-0.50% more in interest — on a $400,000 30-year loan, that difference costs roughly $60-$120 more per month and over $25,000 in extra interest. Scores between 620-699 still qualify for conventional loans but at noticeably higher rates. Scores below 580 generally require FHA loans, which accept down payments as low as 3.5% but mandate mortgage insurance for the life of the loan. Before applying, pay down revolving balances to below 30% of credit limits — this alone can boost your score 20-40 points.
What is the difference between fixed-rate and adjustable-rate mortgages?
A fixed-rate mortgage locks your interest rate for the entire loan term — 15, 20, or 30 years — so your principal and interest payment never changes. This predictability is valuable in rising-rate environments. An adjustable-rate mortgage (ARM) begins with a lower fixed rate for an introductory period (commonly 5, 7, or 10 years), then resets annually based on an index like SOFR plus a margin. A 5/1 ARM might start at 5.5% versus a 30-year fixed at 6.5%, saving roughly $220/month on a $400,000 loan. ARMs are advantageous if you plan to sell or refinance before the first adjustment, but carry payment uncertainty afterward if rates have risen significantly.
How do mortgage points work?
Mortgage discount points are prepaid interest you pay at closing to permanently reduce your loan's interest rate. One point costs 1% of the loan amount — on a $350,000 mortgage, one point costs $3,500 — and typically lowers your rate by 0.20-0.25%. To determine whether buying points makes sense, calculate your break-even period: divide the upfront cost by your monthly savings. For example, $3,500 paid to save $55/month breaks even in about 64 months (5.3 years). If you plan to stay in the home beyond that point, buying points saves money. If you may sell or refinance sooner, keep the cash. Points are tax-deductible in the year of purchase for a primary residence.
References
Background & Theory
History
Reviewed for accuracy by Sahil, Senior Finance & Tax Editor · Editorial policy
Related Calculators
🧮Refinance Break-Even Calculator
Find the break-even month when monthly refinancing savings recoup your closing costs.
🧮Mortgage Affordability Calculator
Calculate the maximum mortgage and home price you can afford based on income, debts, interest rate, and the 28/36 DTI lending rule.
🧮Mortgage Refinance Savings Calculator
Compare your current mortgage against a new loan side by side: payment difference, total interest savings, and amortization comparison.
🧮Home Affordability Calculator
Calculate home affordability with inputs, formulas, and instant results.
🧮Rent Affordability Calculator
Determine how much rent you can afford based on the 30% rule and your income.
🧮Home Equity Loan Calculator
Calculate monthly payments and borrowing limits for home equity loans.