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Multi-step guided tools for major financial transitions

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About

Free Embeddable Financial Calculators

Add a calculator widget to your website or blog with a single line of code. Mobile-responsive, accessible, and always free.

How It Works

Embedding a calculator on your website takes three simple steps. No registration, API key, or payment required.

Choose a Widget

Pick from mortgage payment, tip, compound interest, or savings calculator.

Copy the Embed Code

One script tag. Paste it into any HTML page, blog post, or CMS.

Customize (Optional)

Set your brand color and logo via data attributes on the script tag.

Available Widgets

Live previews of each widget. Try them below, then copy the embed code to add them to your site.

Mortgage Payment Calculator

Monthly mortgage payment breakdown with taxes, insurance, PMI, and HOA. Includes amortization summary.

Embed Code 
<script src="https://www.digitalcalculator.info/widgets/embed.js"
  data-widget="mortgage-payment">
</script>

Tip Calculator

Quick tip calculation with preset percentages, bill splitting, and convenient cash rounding amounts.

Embed Code 
<script src="https://www.digitalcalculator.info/widgets/embed.js"
  data-widget="tip-calculator">
</script>

Compound Interest Calculator

Investment growth projections with compound interest, regular contributions, and an interactive growth chart.

Embed Code 
<script src="https://www.digitalcalculator.info/widgets/embed.js"
  data-widget="compound-interest">
</script>

Savings Calculator

Projected savings growth with monthly contributions, interest compounding, and a visual growth chart.

Embed Code 
<script src="https://www.digitalcalculator.info/widgets/embed.js"
  data-widget="savings">
</script>

Customization Options

You can customize the appearance of any widget using data attributes on the script tag. All customization is optional.

<script src="https://www.digitalcalculator.info/widgets/embed.js"
  data-widget="mortgage-payment"
  data-primary-color="#2E5090"
  data-logo="https://yoursite.com/logo.png">
</script>
  • data-widget (required) -- The widget to embed: mortgage-payment, tip-calculator, compound-interest, or savings
  • data-primary-color (optional) -- Hex color to match your brand (e.g., #2E5090)
  • data-logo (optional) -- URL to your logo image for display within the widget

Why Use Our Widgets

Always Free

No sign-up, no API key, no usage limits. Embed as many widgets on as many pages as you like.

No Ads

Clean, distraction-free calculators. No pop-ups, banners, or third-party tracking inside the widget.

WCAG Accessible

Full keyboard navigation, screen reader support, and WCAG 2.1 AA compliant contrast ratios.

Mobile-Responsive

Widgets auto-resize to fit any container width. Works on desktop, tablet, and mobile.

Lightweight

The embed script is only 2KB. Widgets load in an iframe so they will not affect your page performance.

Custom Branding

Set your brand color and logo via data attributes. Widgets blend into your site design.

Attribution

Our widgets are free to use. We ask that you keep the small "Powered by DigitalCalculator.info" link that appears at the bottom of each widget. This helps us continue offering free tools and lets your visitors find more calculators if they need them.

Powered by DigitalCalculator.info

The attribution is built into each widget automatically. No extra code is needed on your part.

Questions or Custom Requests

Need a widget for a different calculator, or want to discuss custom branding or integrations? We are happy to help.

Email: admin@markcolabs.com