🔌 Free · No Account · No Ads
Embed Our Free Sleep Calculator
Add a fully functional bedtime and wake-time calculator to your blog, website or health portal in one line of HTML. Free forever, no account, no API key, no ads shown to your users.
👁 Live Preview
📋 Embed Code
Copy and paste this into your website HTML wherever you want the widget to appear.
<iframe
src="https://sleepcalculators.site/widget.html"
width="420"
height="320"
frameborder="0"
style="border-radius:16px;box-shadow:0 4px 24px rgba(0,0,0,.12);"
title="Free Sleep Calculator"
loading="lazy"></iframe>
⚙️ Customise Size
✅ Why Embed This Widget?
🆓 Completely free — no subscription, no API key, no account required. Ever.
📵 No ads — your users will never see advertising inside the widget.
🔒 No tracking — the widget does not collect user data or install cookies on your site.
⚡ Zero setup — one line of HTML. Works on WordPress, Wix, Squarespace, Ghost, raw HTML.
📱 Mobile responsive — looks perfect on phones, tablets and desktops.
🔗 Always up to date — we maintain it. You never need to update your code.
📄
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