Rent vs. Buy Calculator
Help clients decide if buying makes financial sense over renting.
Buying
Renting
General
Fill in the details and click Compare.
What the rent vs buy calculator compares
The calculator sets the full cost of buying against the full cost of renting over the same period. On the buying side that means the mortgage payment plus the costs that come with ownership — taxes, insurance, HOA dues where they apply, maintenance and the other recurring costs you enter. On the renting side it is the rent plus whatever else that tenancy actually costs.
Comparing a mortgage payment to a rent figure is the mistake almost every buyer makes, and it flatters buying in some markets and renting in others depending on which costs get quietly left out. Putting both columns on the same basis is the entire point of the exercise.
The costs each side of the comparison hides
Owning carries costs a renter never sees. Property taxes and insurance are ongoing. Maintenance is real even when it is irregular — a roof, a boiler and a water heater all have finite lives and they do not care about your budgeting. HOA dues, where they apply, are a fixed monthly obligation. And the transaction itself costs money at both ends, which is why the length of time someone expects to stay matters so much.
Renting has its own quiet costs. Rent tends to rise over time while a fixed-rate mortgage payment does not, so a comparison that holds rent flat for ten years is not comparing like with like. Against that, a renter is not exposed to a major repair, keeps their deposit liquid, and can move without a sale.
Why the time horizon decides the answer
The single variable that most often flips the result is how long the person expects to stay. Buying carries substantial one-off costs at purchase and again at sale, and those are spread across the holding period. Over a short horizon they dominate and renting frequently wins. Over a long one they are diluted and the equity and the fixed payment usually win out.
That makes the honest first question not 'can you afford to buy' but 'how long do you expect to be there'. A client two years from a likely job relocation and a client settling somewhere for a decade are asking different questions, and the same calculator returns different answers for them — which is exactly what it should do.
Using it honestly with clients
This one is worth handling carefully, because the agent running the calculation is paid when the client buys. A tool that always concludes 'buy' is worthless as advice and buyers can tell. Enter realistic maintenance figures, do not hold rent artificially flat, and use a time horizon the client actually recognises rather than the one that produces the answer you would prefer.
The payoff for that discipline is real. A buyer told honestly that renting is the better call for the next two years usually comes back in two years, and refers people in the meantime. A buyer pushed into a purchase by a flattering spreadsheet does neither. The calculator is most valuable as a way of demonstrating that you will tell them the truth.
Every tool on Agent Copilot AI is included in one $29-per-month plan with unlimited use, rather than being billed per image or per document. There is a 7-day free trial and no credit card is required to start, so you can run a real listing through it before deciding.
Frequently Asked Questions
What does the buying side include?
The mortgage payment plus the ongoing costs of ownership — property taxes, insurance, HOA dues where they apply, maintenance, and the other recurring costs you enter.
Why does the time horizon matter so much?
Buying carries large one-off costs at purchase and again at sale. Over a short holding period those dominate and renting often wins; over a long one they are diluted and ownership usually wins.
Should rent be held flat in the comparison?
No. Rent generally rises over time while a fixed-rate mortgage payment does not. Holding rent flat across a long comparison quietly biases the result toward renting looking cheaper than it is.
What is the most common mistake?
Comparing a mortgage payment directly to a rent figure. That leaves out taxes, insurance, maintenance and HOA dues on one side and transaction costs on both, so the two columns are not on the same basis.
How should agents use this with clients?
Honestly. Use realistic maintenance figures and a time horizon the client recognises. A buyer correctly told that renting suits them for now tends to return later and to refer people meanwhile.
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