Mensuration Cycle/Period Calculator Widget For WordPress, Shopify and Other Websites

Track your menstrual health easily with our free Period Calculator widget. Designed for women’s health websites, wellness blogs, and eCommerce brands — this customizable tool helps users estimate their next period, fertile window, and ovulation date. Fully compatible with WordPress, Shopify, Wix, Squarespace, and other platforms. Copy, paste, and you’re live in seconds.

Widget preview

Period Calculator

Provide your audience with a practical, empowering tool for understanding their menstrual cycle with the Period Calculator widget. Whether you’re a health coach, femtech brand, wellness blog, or online store targeting women’s health — this widget adds real value while improving engagement and time on site.

Users input the date of their last period, average cycle length, and duration. The calculator instantly displays the next expected period, ovulation day, and fertile window, helping users better manage their health, fertility, and planning.

Key Features:

  • Accurate Period Prediction: Calculates the user’s next menstrual cycle start date, ovulation day, and fertile window based on personalized inputs.
  • User-Friendly Design: Minimal, clean UI with date pickers, dropdowns, and visual highlights — no sign-up or medical jargon needed.
  • Privacy-Focused: No data stored, no tracking — just instant, client-side calculation to protect user privacy.
  • Fully Customizable: Adjust color, language, calendar format, and labels to match your site’s brand and tone.
  • Mobile-Responsive: Works flawlessly on smartphones, tablets, and desktops with smooth transitions and input handling.
  • Embed Anywhere: Integrates easily with WordPress, Shopify, Wix, Squarespace, Blogger, or any platform that supports HTML blocks or embeds.

Perfect For:

  • Women’s health and wellness blogs
  • Femtech platforms and mobile app landing pages
  • Period product stores (pads, tampons, cups)
  • Fertility and family planning resources
  • Sexual health educators and coaches
  • Lifestyle influencers and wellness creators

Why Add a Period Calculator to Your Website?

This tool provides instant, practical value to women visiting your site — helping them track cycles, understand fertility windows, and feel empowered. It builds trust, drives return visits, and fits naturally alongside content, products, or services related to women’s health.

It can also:

  • Improve engagement and session duration
  • Be paired with lead capture (“Email your cycle report”)
  • Encourage product purchases timed with cycle phases

How to Install the Mensuration Cycle/Period Calculator Widget For WordPress, Shopify and Other Websites

Adding this powerful tool is simple. It works on WordPress, Squarespace, Wix, Shopify, and any platform allowing custom HTML.

  1. Copy the Embed Code: Click the button below to copy the complete HTML snippet.
  2. Go to Your Website Editor: Log in and edit the page where you want the widget to appear.
  3. Paste the Code: Add a "Custom HTML" or "Code" block and paste the snippet inside. Save your changes.

That's it! Your new Mensuration Cycle/Period Calculator Widget For WordPress, Shopify and Other Websites will now be live.

Frequently Asked Questions

How do I install the Mensuration Cycle/Period Calculator Widget For WordPress, Shopify and Other Websites (Block Editor)? ▼

In your WordPress page editor, click the '+' button to add a new block, search for 'Custom HTML', and select it. Paste the embed code from above into this block and save your page.

Can I use this in the WordPress Classic Editor? ▼

Yes. In the Classic Editor, switch from the 'Visual' tab to the 'Text' tab. This shows the HTML view. Paste the embed code where you want the widget to appear.

Will Mensuration Cycle/Period Calculator Widget For WordPress, Shopify and Other Websites conflict with my theme or plugins? ▼

It's highly unlikely. Our widget is built to be self-contained, which prevents conflicts with your theme's styles and other plugins' scripts.

How do I embed this widget on a Shopify page? ▼

In your Shopify page editor, click the 'Show HTML' button (it looks like '< >') in the toolbar. This will switch to the code view, where you can paste the embed code.

What is the best way to add the widget to Squarespace? ▼

On your Squarespace page, click 'Add Block' and choose the 'Code' block. Make sure it's set to 'HTML' mode, and paste our embed code into the box.

Why does the widget say 'Script Disabled' on Squarespace? ▼

This is normal. Squarespace disables scripts in the editor preview for security. Save your page and view it live—the widget will appear correctly.

Is the Mensuration Cycle/Period Calculator Widget For WordPress, Shopify and Other Websites free to use? ▼

Yes, this widget is completely free. The only requirement is keeping the small backlink attribution which allows us to continue offering these tools.

Does this widget use cookies or track my website visitors? ▼

No. The widget is designed for privacy and does not use cookies or store any personal data from your visitors. We use a simple, anonymous counter to track how many times the widget is loaded.

My embed code isn't working. What is the most common mistake? ▼

The most common issue is pasting the code into a regular 'Text' or 'Paragraph' block. You must use a 'Custom HTML', 'Code', or 'Embed' block on your specific platform for it to work correctly.