What Is the Rent vs Buy Comparison Calculator?

The Rent vs Buy Comparison Calculator helps you compare the true cost of renting versus buying so you can make an informed decision. Instead of guessing or spending hours on manual calculations, get accurate results in seconds. Enter your details above and let the calculator do the work.

Why This Calculation Matters

Housing decisions involve large sums of money over long time horizons. A difference of even half a percentage point or a few thousand dollars in your assumptions can mean tens of thousands over the life of a mortgage. Getting the math right before you commit is one of the highest-value uses of five minutes you will ever find.

Rent vs Buy Comparison Calculator

10-Year Buy Cost
10-Year Rent Cost
Equity Built (Buying)
Investment Growth (Renting)
Net Cost of Buying
Net Cost of Renting
Monthly Mortgage Payment
Better Option

How It Works

This rent vs buy comparison calculator uses established formulas to provide accurate results.

The basic rule:

  • Monthly Mortgage = Loan * [r(1+r)^n] / [(1+r)^n - 1] where r = monthly rate, n = total payments
  • Total Buy Cost = Sum of all monthly payments (mortgage + tax + insurance + maintenance) + down payment
  • Equity Built = Appreciated Home Value - Remaining Loan Balance
  • Net Buy Cost = Total Buy Cost - Equity Built

Results are estimates. Consult a professional for critical decisions.

Frequently Asked Questions

What costs does this calculator include for buying?

It includes your mortgage payment (principal + interest), property taxes (estimated at 1.2% of home value), homeowner's insurance (0.5%), maintenance (1%), down payment, and factors in home appreciation to calculate equity built over 10 years.

How does the rent investment comparison work?

When renting is cheaper than the total monthly cost of owning, the calculator assumes you invest the difference plus a proportional share of what would have been your down payment. Those savings grow at your specified investment return rate, compounding monthly.

Does this account for rent increases?

Yes, the calculator assumes a 3% annual rent increase, which is close to the national average. Your actual rent increases may vary depending on your lease terms and local market conditions.

What mortgage term does this use?

The calculator uses a standard 30-year fixed-rate mortgage. The 10-year comparison shows your costs and equity built during that period, with the remaining mortgage balance factored into the equity calculation.