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15 vs. 30-Year Mortgage Calculator

Enter the two loans

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The amount you borrow, after your down payment.

Shorter loan

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Longer loan

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Shorter loans usually carry a lower rate. Use the rates you have been quoted for each term.

Side by side

Shorter loan payment

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Longer loan payment

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Interest saved with the shorter loan

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Extra cost per month

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ShorterLongerDifference

Equity built year by year

Equity here is the loan principal you have paid off. It leaves out your down payment and any change in the home's value.

YearShorter: balanceShorter: equityLonger: balanceLonger: equityEquity gap

Results are estimates for educational purposes and are not financial, tax or legal advice.

Compare two mortgage terms for the same loan amount. See how much more the shorter loan costs each month, how much interest it saves and how fast it builds equity. Try the free amortization calculator to run your own numbers — everything is calculated in your browser and nothing you enter is stored or sent anywhere.