Using Free Online Mortgage Calculators

man showing couple calculations

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Basic loan payment calculators are just one of the endless types of free online calculators that can help you analyze a real estate transaction. You'll find calculators that help you determine your debt-to-income ratio, loan cost and comparison calculators, tax and investment calculators, and more.

Loan Qualification Calculators's Credit Grade Calculator gives you a preview of how lenders might view your credit. Loanpage's Qualification Calculator helps you determine your loan to value ratio.

Loan Payment Calculators

Online loan payment calculators offer you the ability to analyze slightly different twists to the payment scenario. They help you determine what combination of elements must come together in order for you to get the best home loan.'s mortgage payment calculator is fast and easy to use. Just plug in your loan amount, length of the loan, and interest rate to calculate a monthly payment.

You can view an amortization schedule that allows you to see how much of each payment is applied to principal and interest. Scroll down to find another calculator that shows you the results of pre-paying your loan. offers a What's Missing calculator. For instance, if you know the payment, term, and loan amount it calculates the interest rate. If you know the loan amount, the term, and the interest rate, it calculates the payment.

Loan Comparison Calculators

Loan comparison calculators allow you to compare many aspects of two or more different home loans. offers a calculator that allows you to take a side-by-side look at 30 and 15-year mortgages. The Mortgage Professor's ARM vs. Fixed Mortgage calculator helps you decide which of those two types of loans is best for your needs.

Refinance & Home Equity Calculators

This Debt Consolidation Calculator helps you to determine whether or not you should consolidate your debt with a home equity loan or second mortgage. It also calculates how many months it will take to break even on the closing costs.

More Calculators

Other useful categories of mortgage calculators:

  • Payoff Calculators show you how extra payments will impact your loan.
  • Taxes & Investments Calculators help you determine capital gains owed for a sale, analyze cash flow and net worth on investment property purchases, or simply find out how much you save in taxes when you own a home.
  • PMI & Points-Related Calculators help you determine if it's best to save for a larger downpayment before you buy a home, or go with less down and purchase private mortgage insurance (PMI). You'll also find calculators associated with buying points to lower your interest rate.
  • There are thousands and thousands of calculators online to help you with a home sale or purchase. Take a little time to explore them.