Add it in 30 seconds
- Copy the embed code on the right.
- Paste it into any page, post, or template where you want the calculator to appear.
- That's it — it auto-resizes to fit your layout and works on mobile.
Embed code
Paste this wherever you want the calculator. The small script makes the calculator resize itself as results expand:
<iframe src="https://officialnutribalance.app/embed/calorie-calculator/"
width="100%" height="640" loading="lazy"
style="border:1px solid #e5e7eb;border-radius:16px;max-width:640px"
title="Free TDEE & Macro Calculator by NutriBalance"></iframe>
<p style="font-size:13px;color:#6b7280">Powered by
<a href="https://officialnutribalance.app/calorie-calculator/">NutriBalance Calorie & Macro Calculator</a></p>
<script>window.addEventListener("message",function(e){if(e.data&&e.data.nbCalc&&e.data.height){var f=document.querySelector('iframe[src*="officialnutribalance.app/embed"]');if(f){f.style.height=e.data.height+"px";}}});</script>
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