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Mortgage & Home Loans · Payoff & Refinance

Mortgage Recast Calculator

See your new lower payment after applying a lump sum and recasting the loan.

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

Try the Mortgage Recast Calculator

See the effect of a recast — 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 Mortgage Recast calculator works out

The Mortgage Recast Calculator is a free, embeddable calculator from CalcFunnel. See your new lower payment after applying a lump sum and recasting the loan.

You enter 4 inputs: current loan balance, interest rate (%), years remaining and lump sum payment.

It returns new monthly payment, current payment, monthly saving, lump sum applied, new balance and interest saved.

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. 01New Monthly Payment
  2. 02Current Payment
  3. 03Monthly Saving
  4. 04Lump Sum Applied
  5. 05New Balance
  6. 06Interest Saved

The first figure — new monthly payment — 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.

Current Loan Details

Current Loan Balance
The outstanding principal balance remaining on your current mortgage.
Interest Rate (%)
The annual interest rate on your existing mortgage.
Years Remaining
The number of years left until your mortgage is fully paid off.

Recast Options

Lump Sum Payment
The one-time payment you will apply to reduce the principal before the lender recalculates your payment.

For your website

Embed this calculator on your website

Put the Mortgage Recast 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

Mortgage Recast calculator FAQs

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

Q.01What does the Mortgage Recast Calculator calculate?
See your new lower payment after applying a lump sum and recasting the loan. It returns new monthly payment, current payment, monthly saving, lump sum applied, new balance and interest saved.
Q.02What information do I need to use the Mortgage Recast Calculator?
You enter 4 inputs: current loan balance, interest rate (%), years remaining and lump sum payment. Every input starts with a sensible default, so you can change only what you know.
Q.03What does “Current Loan Balance” mean in the Mortgage Recast Calculator?
The outstanding principal balance remaining on your current mortgage.
Q.04What does “Interest Rate (%)” mean in the Mortgage Recast Calculator?
The annual interest rate on your existing mortgage.
Q.05Is the Mortgage Recast 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 Mortgage Recast 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 Mortgage Recast 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 Mortgage Recast results financial advice?
No. Estimates only. Not all loans allow recasting, and lenders may charge a fee and set a minimum lump sum. Confirm your loan's recast policy with your servicer.

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Your website does the math. You get the lead.

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

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