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Savings & CDs · Certificates of Deposit

Compare CD Rates Calculator

See how even a small difference in CD interest rates adds up over the full term.

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

Try the Compare CD Rates Calculator

See what a higher CD rate is worth — 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 Compare CD Rates calculator works out

The Compare CD Rates Calculator is a free, embeddable calculator from CalcFunnel. See how even a small difference in CD interest rates adds up over the full term.

You enter 5 inputs: deposit amount, term (years), compounding, rate A (%) and rate B (%).

It returns extra earnings (Higher rate), balance at rate A, balance at rate B, interest at rate A and interest at rate B.

Built for banks, credit unions and advisors. Embedding it on your own website needs the Pro plan (from $150/month, with a 14-day free trial), which unlocks the Savings & CDs category.

Results it shows

  1. 01Extra Earnings (Higher Rate)
  2. 02Balance at Rate A
  3. 03Balance at Rate B
  4. 04Interest at Rate A
  5. 05Interest at Rate B

The first figure — extra earnings (higher 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.

Deposit

Deposit Amount
The amount deposited, the same for both rates.
Term (years)
How long the CD is held, in years.
Compounding
How often interest compounds, the same for both rates.Options: Daily · Monthly · Quarterly · Annually

Compare Two Rates

Rate A (%)
The first CD rate.
Rate B (%)
The second CD rate to compare against the first.

For your website

Embed this calculator on your website

Put the Compare CD Rates 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

Compare CD Rates calculator FAQs

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

Q.01What does the Compare CD Rates Calculator calculate?
See how even a small difference in CD interest rates adds up over the full term. It returns extra earnings (Higher rate), balance at rate A, balance at rate B, interest at rate A and interest at rate B.
Q.02What information do I need to use the Compare CD Rates Calculator?
You enter 5 inputs: deposit amount, term (years), compounding, rate A (%) and rate B (%). Every input starts with a sensible default, so you can change only what you know.
Q.03What does “Deposit Amount” mean in the Compare CD Rates Calculator?
The amount deposited, the same for both rates.
Q.04What does “Term (years)” mean in the Compare CD Rates Calculator?
How long the CD is held, in years.
Q.05Is the Compare CD Rates Calculator free to use?
Yes — you can use it on this page for free, without an account. Embedding it on your own website needs the Pro plan (from $150/month, with a 14-day free trial), which unlocks the Savings & CDs category. Compare plans.
Q.06Can I embed the Compare CD Rates 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 Compare CD Rates 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 Compare CD Rates results financial advice?
No. Estimates only. Both options assume the rate holds for the term with interest left in the CD; tax and early-withdrawal penalties are not included.

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Your website does the math. You get the lead.

The Compare CD Rates 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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