Can you afford to buy — or is renting smarter?
- Updated May 2026-
This free home affordability calculator helps you compare the true cost of buying vs. renting — including mortgage payments, property taxes, HOA fees, insurance, maintenance, and more — so you can make the biggest financial decision of your life with your eyes wide open.
Get Started →Hey there! If you're reading this, give yourself a pat on the back — you deserve it! You care enough about your future that you're willing to do a little research into what is likely the biggest financial decision of your life.
Don't worry — I did my best to make this as user-friendly as possible, especially for those who consider themselves allergic to math.
Here's how it works:
Before you dive in, I'd highly recommend the dropdowns below — there's some important context that'll help you get the most out of this tool.
When you're ready, hit "Get Started" and let's crunch some numbers!
Not interested in comparing against renting? Our Home Affordability Calculator → focuses on the buying analysis.
Quick disclaimer: I'm no professional finance coach — just a regular person who wanted to make informed financial decisions and is also kind of a nerd. 🤓 Take this for what it is: a tool to help you think, not professional financial advice.
Common Questions
This calculator assumes that if you rent instead of buy, you put the money you save each month into savings or investments. For example, if buying would cost $2,000/month and renting costs $1,500/month, it assumes you'd invest that $500 difference. At the end of your chosen timeframe, it compares what you'd have spent and built in each scenario — home equity on the buying side, savings growth on the renting side — so you can see which option actually leaves you in a better financial position. If you wouldn't save the full difference, or already have savings you'd invest instead of a down payment, you can adjust those inputs in the Renting & Saving section.
An excellent guideline is that your total monthly housing costs — including mortgage, taxes, insurance, and HOA — should not exceed 30% of your monthly take-home pay. However, this is a starting point, not a rule. The right answer depends on your other expenses, savings goals, job stability, and local cost of living. A more personalized approach is to add your projected housing costs to your current lifestyle spending and calculate the income needed to comfortably cover both.
The minimum down payment depends on your loan type: conventional loans can go as low as 3%, FHA loans require 3.5%, and VA and USDA loans may require no down payment for eligible buyers. However, putting down less than 20% typically triggers PMI, which adds $60–$200 or more per month depending on the loan size. A 20% down payment eliminates PMI and results in a lower monthly payment, but it requires significantly more upfront cash.
And the down payment is just one piece of what you'll need at closing — you'll also need to budget for purchase closing costs (typically 2–5% of the loan amount), moving and furnishing expenses, and two months of mortgage payments held in reserve. This calculator accounts for all four buckets in the Total Upfront Cost row of your results.
Beyond the mortgage payment, homeowners typically pay property taxes (often 1–3% of home value per year), homeowner's insurance, HOA fees, private mortgage insurance (PMI) if the down payment is under 20%, and 1–2% of the home's value annually in maintenance and repairs. Selling a home also costs roughly 6–8% of the sale price in agent commissions and closing costs. These costs are frequently underestimated and can add hundreds of dollars per month to the true cost of owning a home.
PMI stands for Private Mortgage Insurance. It's a monthly fee lenders require when your down payment is less than 20% of the home's purchase price. PMI protects the lender — not you — in case you default on the loan. Depending on your loan size and down payment, PMI typically costs $60–$200 per month. It's not permanent: once you've built 20% equity in your home (through payments and/or appreciation), you can request cancellation. It's automatically removed by federal law when your equity reaches 22%.
A mortgage payment in its most basic form consists of two components: Principal (the portion that reduces your loan balance) and Interest (the lender's fee for borrowing). Many lenders also collect property taxes and homeowner's insurance monthly through an escrow account — bundling all four into one payment, sometimes called PITI. HOA fees, while not part of the mortgage itself, are an additional fixed monthly cost for homes in managed communities. This calculator displays principal and interest as your mortgage payment, with taxes, insurance, HOA, and other costs broken out separately so you can see the full picture.
Closing costs are fees paid at the time of purchase, separate from your down payment. They typically include loan origination fees, title insurance, appraisal fees, attorney fees, prepaid interest, and government recording fees. For buyers, closing costs generally run 2–5% of the loan amount. On a $300,000 home with 20% down, that's roughly $4,800–$12,000 in addition to your $60,000 down payment. Your lender is required to provide a Loan Estimate within three business days of your application so you can see the specific numbers before committing.
Renting is often the smarter financial choice when home prices are high relative to rents (a price-to-rent ratio above 15), when you plan to move within 3–5 years, when buying would stretch your budget uncomfortably thin, or when the money you'd put toward a down payment could earn a better return invested elsewhere. Renting also offers flexibility that homeownership doesn't — no maintenance costs, no repair surprises, and the ability to relocate without selling. If you rent and consistently invest the difference in cost compared to owning, you may come out ahead financially compared to buying.
Yes — if your monthly rent is lower than what it would cost to own the equivalent home, consistently investing that difference can build significant wealth over time. Putting the savings into a high-yield savings account, money market account, or index fund means you're still building your financial future even without owning property. Depending on market conditions and your investment returns, you may accumulate more in savings than a homeowner builds in equity over the same period. The key word is "consistently" — this strategy only works if the savings habit is maintained.
Compared to other long-term investments, a primary residence is actually a pretty poor performer. Home values historically grow at roughly the rate of inflation — meaning your home isn't really gaining purchasing power over time, it's mostly keeping pace. That said, homeownership does build equity — a form of forced savings that many people wouldn't otherwise maintain — and that's genuinely valuable. And it's not worth locking yourself into a mortgage you can't afford just to open what is effectively a savings account. The honest framing is: a primary home is a savings vehicle with some lifestyle benefits, not an investment. Go in with that expectation and you won't be disappointed.
Resources & Feedback
Buying vs. Renting
Long-term renting
This calculator is a free, open resource. If you have feedback, a bug to report, an idea for improvement, or want to share how this page has helped you, the best way to share it is via GitHub Discussions — that way others can see, vote on, and build on your ideas too.
Not a GitHub user? You can also submit feedback via this Google Form.
Step 1
Property Info
Tell us about the home you're considering buying.
Evaluating buying only? The Home Affordability Calculator → skips the rent comparison entirely.
The Home
Advanced Settings
These settings provide additional customization for users who have specific scenarios or edge cases that need to be considered. You're welcome to adjust them, but most users won't need to.
Other Upfront Costs
Total Upfront Cost
Step 2
Ongoing Costs
The recurring costs of owning this home, month to month.
Housing Costs
Utilities
Not sure what to expect? These will vary by location, home size, and season. Your current utility bills are a reasonable starting point.Step 3
Renting & Saving
Tell us about your rental situation and what you'd do with the money you save by renting.
Renting Costs
Utilities and Other Fees
Not sure what to expect? Your current utility bills are a reasonable starting point.Savings Parameters
Other Parameters
Step 4
Your Financial Picture
These inputs help personalize the recommended income estimates in your results. They're optional — but filling them in gives you a much more useful picture.
Effective Income Tax Rate
This is your effective income tax rate — the actual percentage of your income paid in taxes, not your tax bracket. If the property you're evaluating would require an income that would push you into a higher tax bracket, consider using that projected rate instead of your current one.Current Yearly Lifestyle Spending
Everything you spend money on after housing costs — food, transportation, entertainment, subscriptions, and everything else.The easiest way to calculate this: take your most recent pay stub and multiply your gross pay by the number of pay periods in a year (26 for bi-weekly, 24 for bi-monthly) to get your annual gross income. Multiply your total deducted taxes by the number of pay periods to get your annual tax deduction. Multiply your current monthly housing expenses by 12 to get your yearly housing costs. Then subtract your annual taxes and yearly housing costs from your annual gross pay. The result is your current annual lifestyle spending.
Note: If you're in the Renting & Saving scenario, you don't need to subtract your savings contributions from your lifestyle spending amount — the calculator accounts for those automatically.
Results
Your Results
Here's what the numbers say. Fill in the sections above and hit Calculate to see your results.