Embed our calculators on your website

Add any Calc Angel calculator to your own site with a simple copy-paste embed — free for registered domains. The maths runs on our servers, so your page stays fast and always up to date.

Register your domain

Tell us your website's domain, your email and which calculators you want.

Confirm by email

Click the confirmation link we send you. No confirmation, no changes — ever.

Copy the embed code

Paste one line of HTML wherever you want the calculator to appear.

Register a domain

Just the domain — no https:// or paths.
We'll send the confirmation link here.
Your embed codes
This is exactly what you'll paste into your pages. The codes below go live on your domain as soon as you confirm the registration email.

What is Two plus seven?

Type the number

Unlink a domain

Registered by mistake, or no longer want the embeds? Enter the domain and the email it was registered with — we'll email you a confirmation link before anything is removed.

What the embed looks like

This is a live working example of the Profit Margin Calculator embedded exactly as it will appear on your website — try it. One line of HTML, responsive, no JavaScript required on your side, and it always links back to Calc Angel:

And this is the single line of HTML that produced it:

<iframe src="https://calcangel.com/widget.php?calc=profit-margin" width="100%" height="580" style="border:0;border-radius:12px;" title="Profit Margin Calculator"></iframe>