Embed a Calculator on Your Website

Add any of our 60+ math calculators to your website, blog, or learning platform. Free to use with a small attribution link.

1. Choose a Calculator

Theme

LightDark

Width

Responsive (100%)Fixed Width

Height

Preview may differ slightly from the actual embed on your site.

Recommended. Auto-resizes to fit content. Just paste this single line anywhere in your HTML.

<script src="https://mathcalculator.org/widget.js" data-calculator="percentage-calculator" data-theme="light" async></script>

How to Embed

1
Choose
Select a calculator from the dropdown above. We offer 60+ math, science, finance, and health calculators.
2
Customise
Pick a theme (light or dark) and set the width and height to match your site layout.
3
Embed
Copy the generated code and paste it into your HTML, WordPress editor, Wix HTML block, or any other website builder.

Is it free?: Yes, all embeds are completely free. We just ask that you keep the small attribution link at the bottom of the widget.
Can I remove the branding?: A premium white-label option is coming soon. For now, the attribution link helps us keep the calculators free for everyone.
What sites can I embed on?: Any site that supports HTML embeds, including WordPress, Wix, Squarespace, Notion, Google Sites, Webflow, and custom-coded sites.