Free TDEE Calculator Widget for Your Website

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Paste it into any HTML block (WordPress, Squarespace, Webflow, Ghost, Wix "embed code"). The calculator is the same one on our homepage: Mifflin–St Jeor, Katch–McArdle and Cunningham, US and metric units, calorie targets and macros.

<iframe src="https://tdeecalc.app/embed/tdee/" title="TDEE calculator" loading="lazy" style="width:100%;max-width:960px;height:860px;border:0;border-radius:16px" id="tdeecalc-embed"></iframe>
<p style="font-size:14px">TDEE calculator by <a href="https://tdeecalc.app/">TDEECalc</a></p>
<script>addEventListener("message",function(e){if(e.origin==="https://tdeecalc.app"&&e.data&&e.data.type==="tdeecalc-height"){document.getElementById("tdeecalc-embed").style.height=e.data.height+"px"}})</script>

What you get

Free forever, no account. No ads, no tracking cookies, and nothing your visitors type leaves their browser.
Resizes itself to fit the calculator on desktop and phone, and follows your visitor's light or dark setting.
Accurate and transparent. Every formula is documented in our methodology and checked against the original research.

Please keep the short credit link under the calculator. It is how we keep the tool free. Questions or a custom size? See support.

Free TDEE calculator for your website

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What you get

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