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Loans & Amortization · Loan Basics

Composition of a Loan Payment Calculator

See how each loan payment splits between principal and interest, and how that shifts over the life of the loan.

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

Try the Composition of a Loan Payment Calculator

See where each payment goes — 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 Composition of a Loan Payment calculator works out

The Composition of a Loan Payment Calculator is a free, embeddable calculator from CalcFunnel. See how each loan payment splits between principal and interest, and how that shifts over the life of the loan.

You enter 3 inputs: loan amount, interest rate (%) and loan term (years).

It returns monthly payment, first payment — interest, first payment — principal and total interest.

Built for lenders, credit unions and borrowers. 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 Loans & Amortization category.

Results it shows

  1. 01Monthly Payment
  2. 02First Payment — Interest
  3. 03First Payment — Principal
  4. 04Total Interest

The first figure — 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.

Loan Amount
The amount borrowed.
Interest Rate (%)
The annual interest rate.
Loan Term (years)
The repayment period in years.

For your website

Embed this calculator on your website

Put the Composition of a Loan Payment 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

Composition of a Loan Payment calculator FAQs

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

Q.01What does the Composition of a Loan Payment Calculator calculate?
See how each loan payment splits between principal and interest, and how that shifts over the life of the loan. It returns monthly payment, first payment — interest, first payment — principal and total interest.
Q.02What information do I need to use the Composition of a Loan Payment Calculator?
You enter 3 inputs: loan amount, interest rate (%) and loan term (years). Every input starts with a sensible default, so you can change only what you know.
Q.03What does “Loan Amount” mean in the Composition of a Loan Payment Calculator?
The amount borrowed.
Q.04What does “Interest Rate (%)” mean in the Composition of a Loan Payment Calculator?
The annual interest rate.
Q.05Is the Composition of a Loan Payment 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 Loans & Amortization category. Compare plans.
Q.06Can I embed the Composition of a Loan Payment 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 Composition of a Loan Payment 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 Composition of a Loan Payment results financial advice?
No. Estimates only. Assumes a fixed rate and equal monthly payments; your loan's fees, rounding and rate changes may differ.

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  • 14-day trial on Pro & Business
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