Embed Our Calculators on Your Website

Add a free, professional calculator to your blog, website, or app with a single line of code. No API key required. Mobile-friendly and lightweight.

Mortgage Calculator Widget

A complete mortgage payment calculator with home price, down payment, interest rate, and loan term inputs.

Copy this code:

<iframe src="https://toolcalcs.com/embed/mortgage/" width="100%" height="380" style="border:1px solid #e5e7eb;border-radius:8px" title="Mortgage Calculator"></iframe>

BMI Calculator Widget

A simple BMI calculator with height/weight inputs and color-coded results.

Copy this code:

<iframe src="https://toolcalcs.com/embed/bmi/" width="100%" height="340" style="border:1px solid #e5e7eb;border-radius:8px" title="BMI Calculator"></iframe>

Why Embed Our Calculators?

100% Free

No cost, no API keys, no registration. Just copy the code.

Mobile Responsive

Widgets adapt to any screen size automatically.

Lightweight

Under 5KB per widget. No external dependencies.

Privacy First

No cookies, no tracking. Calculations run in the browser.

Need a Custom Calculator?

If you need a calculator widget for a specific use case, contact us and we will build it for you.