Free widget
Embed the paint calculator on your site
Painting contractors, paint stores and home blogs: give your visitors a working calculator in one line of HTML. It matches your page width and includes optional, nofollow attribution.
Preview
Embed code
<iframe src="https://covercalc.com/widget" width="100%" height="520" style="border:0;border-radius:12px" title="Paint calculator by CoverCalc" loading="lazy"></iframe>
Options
Set defaults with URL parameters: /widget?room=kitchen&tier=premium. Full list on the developers page. Contractors and paint stores that want their own colors, pricing, quote form, or reporting can contact CoverCalc about a branded version.
Last updated 2026-09-03. Method: how we calculate.