Embed code · widget · Math
Embed the Area & Perimeter Calculator on your site
Add the Area & Perimeter Calculator to any page. Copy the code below — it auto-resizes and follows your site theme.
Preview
Theme
<div class="calcro-widget" data-tool="arie-perimetru" data-locale="en" data-theme="auto">
<a href="https://calcula.ro/en/area-perimeter-calculator">Area & Perimeter Calculator — calcula·ro</a>
</div>
<script async src="https://calcula.ro/widget.js"></script>iAbout this calculator
Instantly calculate the area and perimeter of a square, rectangle, circle, triangle and parallelogram. Pick the shape and enter the dimensions.
?Frequently asked questions
Is it free?
Yes. No account and no impression limit.
Can I embed the Area & Perimeter Calculator on WordPress or another CMS?
Yes. It works anywhere you can paste HTML — WordPress, Wix, Webflow or plain HTML.
Will it slow my site down?
No. The widget lazy-loads inside an isolated iframe and only runs when it becomes visible.
Is it mobile-friendly?
Yes. It fills the container width: side-by-side on wide screens, stacked on mobile.