Embed the Sales Tax Calculator on your site

Live preview

This is exactly what visitors will see. The calc updates in their browser, calculations stay client-side, no data is sent anywhere.

Copy this snippet

Paste anywhere in your page's HTML where you want the calculator to appear:

<iframe src="https://calc.one/embed/sales-tax-calculator/iframe"
        title="Sales Tax Calculator, calc.one"
        style="width:100%; min-height:560px; border:0;"
        loading="lazy"></iframe>
<script src="https://calc.one/embed-resizer.js" async></script>

How it works

1. The <iframe> loads the sales tax calculator from calc.one/embed/sales-tax-calculator/iframe. Calculations run in the visitor's browser; we don't see any inputs.
2. The <script> tag loads our resizer, which listens for height messages from the iframe and adjusts its size so there's no scrollbar inside the embed.
3. Both files are cached on Cloudflare's edge, served from 320+ data centers. Total embed weight is under 30 KB gzipped.

Who this is for

E-commerce sites, retail blogs, accounting resources.

Terms

• Free, no signup. Embed as many times as you want, on as many sites as you want.
• Attribution required. The "Powered by calc.one" link inside the iframe must remain visible, it's a single line at the bottom and links back to the calculator.
• No warranty. The calculator is provided as-is for educational use. See our terms of service for full details. For any decisions involving real money, real health outcomes, or other YMYL contexts, the visitor should verify the result with a qualified professional.
• No tracking on the embed itself. The iframe doesn't load Google Analytics or any tracking. Your site's analytics still see page views as normal.

Need a different calculator?

We currently offer embeds for 10 calculators, see the full embed catalog. If you want something we don't embed yet, let us know.