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Mortgage & Home Loans · Alternative & Specialty

Blended Rate Mortgage Calculator

Find the effective blended interest rate and combined payment across a first and second mortgage.

  • Free to use here · embed on the Free plan
  • 5 inputs · 5 results
  • English & Spanish

Try the Blended Rate Mortgage Calculator

See your blended rate and combined payment — results update as you type.

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Estimates only — not a loan offer or financial advice.

Put this calculator on your website

What this calculator does

What the Blended Rate Mortgage calculator works out

The Blended Rate Mortgage Calculator is a free, embeddable calculator from CalcFunnel. Find the effective blended interest rate and combined payment across a first and second mortgage.

You enter 5 inputs: first mortgage balance, first mortgage rate (%), second mortgage balance, second mortgage rate (%) and term for payment (years).

It returns blended interest rate, total balance, combined monthly payment, first mortgage payment and second mortgage payment.

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. 01Blended Interest Rate
  2. 02Total Balance
  3. 03Combined Monthly Payment
  4. 04First Mortgage Payment
  5. 05Second Mortgage Payment

The first figure — blended interest rate — 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.

First Mortgage

First Mortgage Balance
The outstanding balance on your primary mortgage.
First Mortgage Rate (%)
The interest rate on your primary mortgage.

Second Mortgage

Second Mortgage Balance
The outstanding balance on your second mortgage or home equity loan.
Second Mortgage Rate (%)
The interest rate on your second mortgage, usually higher than the first.
Term for Payment (years)
The amortization term used to estimate the monthly payment on each loan.

For your website

Embed this calculator on your website

Put the Blended Rate 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

Blended Rate Mortgage calculator FAQs

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

Q.01What does the Blended Rate Mortgage Calculator calculate?
Find the effective blended interest rate and combined payment across a first and second mortgage. It returns blended interest rate, total balance, combined monthly payment, first mortgage payment and second mortgage payment.
Q.02What information do I need to use the Blended Rate Mortgage Calculator?
You enter 5 inputs: first mortgage balance, first mortgage rate (%), second mortgage balance, second mortgage rate (%) and term for payment (years). Every input starts with a sensible default, so you can change only what you know.
Q.03What does “First Mortgage Balance” mean in the Blended Rate Mortgage Calculator?
The outstanding balance on your primary mortgage.
Q.04What does “First Mortgage Rate (%)” mean in the Blended Rate Mortgage Calculator?
The interest rate on your primary mortgage.
Q.05Is the Blended Rate 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 Blended Rate 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 Blended Rate 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 Blended Rate Mortgage results financial advice?
No. Estimates only. The blended rate is the balance-weighted average of your two loans and is for comparison purposes. Confirm actual terms with your lender(s).

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Your website does the math. You get the lead.

The Blended Rate Mortgage Calculator is one of 188 calculators you can brand and embed with one line of code.

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  • 14-day trial on Pro & Business
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