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15 vs 30 Year Mortgage Calculator

Compare a 15-year and a 30-year mortgage — payment, total interest and savings.

  • Free to use here · embed on the Free plan
  • 3 inputs · 6 results
  • English & Spanish

Try the 15 vs 30 Year Mortgage Calculator

Compare 15- and 30-year terms — results update as you type.

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Estimates only — not a loan offer or financial advice.

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What this calculator does

What the 15 vs 30 Year Mortgage calculator works out

The 15 vs 30 Year Mortgage Calculator is a free, embeddable calculator from CalcFunnel. Compare a 15-year and a 30-year mortgage — payment, total interest and savings.

You enter 3 inputs: loan amount, 15-Year rate (%) and 30-Year rate (%).

It returns interest saved with 15-Year, 15-Year monthly payment, 30-Year monthly payment, 15-Year total interest, 30-Year total interest and extra monthly cost of 15-Year.

Built for loan officers, brokers and homebuyers. Embedding it on your own website is included on the Free plan (free forever for up to 5 calculators on one domain), as part of the Mortgage & Home Loans category.

Results it shows

  1. 01Interest Saved with 15-Year
  2. 0215-Year Monthly Payment
  3. 0330-Year Monthly Payment
  4. 0415-Year Total Interest
  5. 0530-Year Total Interest
  6. 06Extra Monthly Cost of 15-Year

The first figure — interest saved with 15-year — is the headline result.

Inputs

The inputs it uses

Each field below comes straight from the calculator, with the same help text visitors see when they hover the info icon.

Loan Details

Loan Amount
The total amount you plan to borrow — the home price minus your down payment.

Interest Rates

15-Year Rate (%)
The annual interest rate for a 15-year mortgage. Lenders typically offer a lower rate for shorter terms.
30-Year Rate (%)
The annual interest rate for a 30-year mortgage. Rates are usually higher than 15-year loans because the lender takes on more risk.

For your website

Embed this calculator on your website

Put the 15 vs 30 Year Mortgage Calculator on your own site with your colors, copy and lead form. Every calculation can arrive in your CRM with the numbers attached.

Works on WordPress, Wix, Squarespace, Webflow, Shopify, GoHighLevel and plain HTML — paste one line into an HTML or code block. No plugin needed.

Start free How embedding works

Free plan, no card. 14-day trial on Pro & Business.

  1. Inline on any pagePaste the snippet where the calculator should appear. It fills the width of its container and resizes to fit its content.
  2. Popup buttonA button sits on your page; visitors click it and the calculator opens in a popup.
  3. Floating corner widgetPaste once — or in your site-wide footer code — to show a floating calculator bubble in the corner of every page.
  4. Open from your own link or buttonGive any existing link, button or image a class and it opens the calculator when clicked.
  5. Direct linkA full-page link to the calculator for emails, social posts, QR codes or a menu item.

FAQ

15 vs 30 Year Mortgage calculator FAQs

Still stuck? Ask the team — we reply within one business day.

Q.01What does the 15 vs 30 Year Mortgage Calculator calculate?
Compare a 15-year and a 30-year mortgage — payment, total interest and savings. It returns interest saved with 15-Year, 15-Year monthly payment, 30-Year monthly payment, 15-Year total interest, 30-Year total interest and extra monthly cost of 15-Year.
Q.02What information do I need to use the 15 vs 30 Year Mortgage Calculator?
You enter 3 inputs: loan amount, 15-Year rate (%) and 30-Year rate (%). Every input starts with a sensible default, so you can change only what you know.
Q.03What does “Loan Amount” mean in the 15 vs 30 Year Mortgage Calculator?
The total amount you plan to borrow — the home price minus your down payment.
Q.04What does “15-Year Rate (%)” mean in the 15 vs 30 Year Mortgage Calculator?
The annual interest rate for a 15-year mortgage. Lenders typically offer a lower rate for shorter terms.
Q.05Is the 15 vs 30 Year Mortgage Calculator free to use?
Yes — you can use it on this page for free, without an account. Embedding it on your own website is included on the Free plan (free forever for up to 5 calculators on one domain), as part of the Mortgage & Home Loans category. Compare plans.
Q.06Can I embed the 15 vs 30 Year Mortgage Calculator on my website?
Yes. Embed it inline, as a popup button, as a floating corner widget, from your own link or button, or share a direct link. It works on WordPress, Wix, Squarespace, Webflow, Shopify, GoHighLevel and plain HTML sites with one line of code — see embedding.
Q.07Is the 15 vs 30 Year Mortgage Calculator available in Spanish?
Yes. Labels, tooltips and result names are available in English and Spanish, and visitors can switch language in the calculator.
Q.08Can the calculator capture leads?
Yes. It can end with a lead form, a Get a Quote form, a Share panel or a button to any URL. Leads are saved with the inputs and results attached and can be forwarded to your CRM by webhook.
Q.09Are the 15 vs 30 Year Mortgage results financial advice?
No. Estimates only. Real savings depend on the rates you're actually offered for each term. Confirm both quotes with a licensed lender.

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