Embed our calculators on your site

Free. No attribution required (but appreciated). No sign-up, no API key. Just copy-paste the iframe snippet below. Calculators auto-resize to the iframe height you set.

How it works

Pick a calculator below
Copy the iframe code
Paste it into your blog post, CMS, or HTML file
Done — works on WordPress, Ghost, Medium (with code blocks), Webflow, any static site

Compound interest calculator

Visual compound growth with contributions and inflation-adjusted results.

<iframe src="https://snowballr.io/embed/compound" width="100%" height="720" style="border:1px solid #e5e5e5;border-radius:12px;max-width:800px" loading="lazy" title="Compound interest calculator"></iframe>

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Retirement calculator

See when you can retire. Pre-filled for retirement planning.

<iframe src="https://snowballr.io/embed/retirement" width="100%" height="720" style="border:1px solid #e5e5e5;border-radius:12px;max-width:800px" loading="lazy" title="Retirement calculator"></iframe>

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Debt snowball calculator

Snowball vs avalanche debt payoff comparison.

<iframe src="https://snowballr.io/embed/debt-snowball" width="100%" height="900" style="border:1px solid #e5e5e5;border-radius:12px;max-width:800px" loading="lazy" title="Debt snowball calculator"></iframe>

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Mortgage calculator

Monthly payment, total interest, extra-payment savings.

<iframe src="https://snowballr.io/embed/mortgage" width="100%" height="560" style="border:1px solid #e5e5e5;border-radius:12px;max-width:800px" loading="lazy" title="Mortgage calculator"></iframe>

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Inflation calculator

Purchasing power over time.

<iframe src="https://snowballr.io/embed/inflation" width="100%" height="480" style="border:1px solid #e5e5e5;border-radius:12px;max-width:800px" loading="lazy" title="Inflation calculator"></iframe>

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Customization

Adjust width and height in the iframe tag to fit your layout. If you want a calculator that doesn't appear above, email hello@snowballr.io.

The embed pages are noindex — they won't compete with your content for SEO.