Embed any CalcHQ calculator on your blog, real estate site, or financial portal in under 60 seconds. Free forever. No API key required. No sign-up.
<iframe src="https://calchq.io/embed/mortgage" width="100%" height="600" frameborder="0" loading="lazy" title="Mortgage Calculator — CalcHQ" allow="clipboard-write" ></iframe>
Replace mortgage with any slug below.
Is it really free?
Yes. All CalcHQ calculators are free to embed with no usage limits, no API keys, and no sign-up required.
Will the embed slow down my site?
No. The iframe uses lazy loading by default, so it only loads when the user scrolls to it. CalcHQ is hosted on a global CDN.
Can I customize the colors?
Currently we support light and dark themes via the ?theme= parameter. Custom color theming is on our roadmap.
Does the embed track my visitors?
No personally identifiable information is collected. We count aggregate page views for analytics only.
What if I need a calculator that isn't listed?
Use our Suggest a Calculator page and we'll build it — often within a week.