Renting vs Owning Total Cost Calculator

Enter your rent, mortgage, and ownership costs to see which is cheaper.

How it is calculated

Two totals are computed over the number of years you enter. Renting = monthly rent × 12 × years. Owning = down payment + monthly mortgage × 12 × years + annual upkeep × years − equity gain. The tool subtracts the equity gain you type in (the value you expect to get back, for example from principal repaid plus any rise in the home's price); it does not estimate that figure itself, and it does not add interest on the down payment, property tax or insurance unless you include them in the mortgage or upkeep fields. The two totals are compared and the difference is shown as the cheaper option, or as equal cost if they match. Amounts are shown in US dollars. Rent, mortgage, down payment and upkeep cannot be negative, years must be above zero, and every field must be filled in, so type 0 for the equity gain if you expect none. A negative equity gain is accepted and counts as a loss in value, raising the cost of owning.

Worked example

Rent is 1,500 a month, the mortgage payment is 1,900, the down payment 40,000, upkeep 3,000 a year, over 7 years with an expected equity gain of 70,000. Renting: 1,500 × 12 × 7 = $126,000.00. Owning: 40,000 + 1,900 × 84 (159,600) + 3,000 × 7 (21,000) = 220,600, minus 70,000 equity = $150,600.00. Renting comes out cheaper by $24,600.00 over the period.

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Common mistakes

  • Setting the equity gain to zero. Without it the owning total ignores everything you get back: with the figures above it jumps to $220,600.00 and buying looks $94,600.00 worse than renting.
  • Entering the whole home price as equity gain. Only the amount you expect to recover (principal repaid plus appreciation, less selling costs) belongs there.
  • Putting only the loan instalment in the mortgage field and forgetting property tax, insurance or fees. The tool adds only upkeep, so those costs must be included in one of the two fields.
  • Mixing monthly and yearly figures: rent and mortgage are per month, upkeep is per year.
  • Treating the result as a verdict. It ignores what the down payment would have earned if invested, so a small difference may flip once you include that.

About this calculator

This calculator compares the total cost of renting against buying a home over a chosen time horizon — not just the monthly payment, but the cash flows on both sides: rent paid over the period (monthly rent × 12 × years) versus the down payment, the monthly mortgage payment over the same period, and upkeep (your annual upkeep figure × years, commonly estimated around 1% of home value per year) for owning, netted against the equity gain you expect from principal paydown and home price appreciation. You enter each of these amounts yourself; if your lender's payment does not already include property taxes and insurance, add them to the monthly mortgage figure.

This is the same total-cost-of-ownership thinking behind the classic price-to-rent ratio used by economists and real estate analysts to judge whether a market favors buying or renting. The calculator does not model the “opportunity cost” argument that a renter’s down-payment money, left invested elsewhere, also grows, so keep that in mind when reading the result — it tells you which option is cheaper over your chosen number of years on the numbers you enter, rather than just comparing sticker prices.

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Comments (1)

  • Editorial team

    The verdict hinges on the equity gain you type in, so test it both ways. With rent 1800, mortgage 1500, down payment 40000, upkeep 6000 a year and 10 years, an equity gain of 120000 makes owning cost 160,000.00 against 216,000.00 for renting; at zero equity owning costs 280,000.00. The tool ignores what the down payment could have earned elsewhere. What equity assumption do you find realistic for your market?

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