Embed a Free Calculator on Your Site

Contractors, suppliers and bloggers can add any of our five most-used calculators to a web page with one line of iframe code. It is free, needs no account, loads only a small script and stylesheet, and sets no cookies or analytics, so nothing about your visitors or your site is collected.

Choose a calculator

Copy this code into your page’s HTML

<iframe src="https://simplehomecalc.com/embed/paint-calculator" title="Paint Calculator" width="100%" height="720" style="border:0;max-width:480px" loading="lazy"></iframe>

Live preview

This is exactly what your visitors will see. Try it: enter a few numbers and press Calculate.

Available calculators

Paint Calculator — Gallons of wall paint for any room, after doors and windows.
Concrete Calculator — Cubic yards and 80/60/40 lb bags for slabs, pads and footings.
Mulch Calculator — Cubic yards or bags of mulch for garden beds.
Flooring Calculator — Square footage and boxes of hardwood, laminate or engineered floor.
Drywall Calculator — Sheets of 4×8, 4×10 or 4×12 drywall for walls and ceiling.

How it works

Paste the code anywhere your site builder accepts custom HTML: a WordPress Custom HTML block, a Squarespace or Wix embed block, or straight into a template. The calculator is responsive, so it fits a sidebar or a full-width column and works on phones. The default height of 720 pixels leaves room for the result and the shopping list; raise or lower it to suit your layout.

The math is the same as on our full pages, and it runs entirely in your visitor’s browser. Inputs are never sent to us. The embed loads no ads, no analytics and no third-party scripts, and it does not read anything from the page that hosts it.

Terms of use

Embedding is free for commercial and personal sites. Please keep the small “Powered by simplehomecalc.com” credit link visible; it is how we keep the tools free. Don’t frame the calculators in a way that suggests we endorse your business, and remember results are planning estimates, as our disclaimer explains. Questions or a calculator you would like added? Use our contact page.