Updated · Built and checked by the PlinzoTools team, formulas tested against published sources
Compare the total cost of renting against the net cost of buying a home over a specific number of years.
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Buying a home isn't automatically cheaper than renting, even though a mortgage payment "builds equity" -- upfront costs, ongoing maintenance, and property tax all factor into the real math, offset by equity built through paydown and home appreciation. This calculator compares the total cost of renting against the net cost of buying (ownership costs minus equity gained) over however many years you actually plan to stay.
Enter your monthly rent, the home price you're considering, your down payment, mortgage rate and term, expected annual property tax and maintenance, an assumed annual home appreciation rate, and how many years you plan to stay.
Net Cost of Buying = (Down Payment + Mortgage Payments + Tax + Maintenance) − Equity Built
Equity Built = Home Value at End of Period − Remaining Loan Balance
Total Cost of Renting = Monthly Rent × 12 × Years
This is a simplified comparison: it assumes flat rent (no rent increases over time) and doesn't model the opportunity cost of investing your down payment instead of buying -- both real factors that could shift the comparison, disclosed here rather than silently ignored. Treat this as a starting estimate, not a complete financial-planning analysis.
The outcome is very sensitive to the appreciation rate you enter. Home values can rise, stay flat, or fall, and no one can predict them reliably. Run the calculator at a low value, a moderate value, and zero, and see whether buying still comes out ahead in each case. If buying wins only under optimistic appreciation, the decision is riskier. If it wins even at zero, the case for buying is stronger. Avoid using recent local price jumps as a forecast.
Because the tool compares total renting cost against net buying cost, a lower number in one column is not automatically the right choice. Buying ties up cash in a down payment that could otherwise be invested or kept for emergencies. Renting provides flexibility, which is valuable if your job or family plans could change. Use the result as one input, and compare it with your own priorities on stability, control over the property, and risk.
The tool assumes flat rent, so it tends to favor renting slightly compared with real life if rents rise. To account for this yourself, enter a somewhat higher rent that reflects an average over your stay. For instance, if you rent at $1,800 now and expect modest annual increases, you might test $1,900 or $2,000 as a stand-in for the average. This is a rough adjustment, and it does not replace a detailed projection.
Using the earlier hypothetical, try the same home at 3 years and at 10 years. In a short stay, upfront costs and interest-heavy early payments dominate, so buying often looks worse. Over a decade, principal paydown and any appreciation have longer to build equity. Seeing both results side by side is often the most useful part of this tool.
For a serious decision, consider speaking with a qualified financial advisor who can include taxes and investment alternatives.
It's a disclosed simplification -- modeling realistic rent inflation would require an assumed annual increase rate, which varies too widely by market to build in as a default without making the tool's assumptions less transparent.
Generally yes -- buying has larger upfront costs that get spread over more years, and more time for equity to build through both paydown and appreciation, so longer stays commonly tilt the comparison toward buying.
There is no reliable number. Test several, including zero, and rely on the range of outcomes rather than a single guess.
No, it does not model them separately. If you want to account for them, add an estimate to your ownership costs mentally or through the inputs.
Not necessarily. Flexibility, stability, and personal preference also matter, and the tool leaves out some financial factors.
Reference: Consumer Financial Protection Bureau