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Conquer the most significant challenge in online apparel sales—sizing uncertainty—with the Perfect Fit T-Shirt Size Calculator. This robust and intuitive widget is the definitive tool for e-commerce stores, print-on-demand businesses, and clothing brands dedicated to providing a flawless shopping experience.

Our calculator offers a refreshingly simple and accurate way for customers to find their size. Users select their region, choose their preferred units, and directly enter their chest and height measurements. There are no confusing sliders—just simple, direct input. The tool instantly cross-references these measurements with your brand’s unique sizing charts to recommend the ideal size. For ultimate transparency, a single click reveals the full sizing chart, allowing customers to see all available options and confirm their choice with absolute confidence.

Key Features:

Drastically Reduces Returns: By providing precise, reliable recommendations, you can significantly lower return rates and increase customer satisfaction.
Direct Number Inputs: A simple and error-proof input system. Users type their measurements for a fast and frustration-free experience.
Multi-Region Sizing Support: Cater to a global audience by defining unlimited sizing charts for different fits and regions (e.g., US, UK, EU, AU).
One-Click Size Chart View: Builds unmatched trust by allowing users to instantly view the complete, dynamic sizing table that corresponds to their selected region and units.
Flawless Unit Conversion: Intelligently switches between inches and centimeters, correctly converting all user inputs and size chart data on the fly.
100% Customizable Branding: Edit every label, description, color, and option to integrate the calculator seamlessly into your store’s design.
Universal E-commerce Compatibility: A single embed code works perfectly on Shopify, BigCommerce, WooCommerce, and any platform that supports custom HTML.

Integrate this powerful tool into your product pages to provide immediate clarity, eliminate sizing guesswork, and convert hesitant shoppers into confident, loyal customers.

How to Install the T-Shirt Size Calculator Widget For WordPress and Other Websites

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

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

That's it! Your new T-Shirt Size Calculator Widget For WordPress and Other Websites will now be live.

<script src="https://maxwidgets.com/wp-content/uploads/widgets/loader.js" async defer></script>
<p><a href="https://maxwidgets.com/widget/t-shirt-size-calculator-widget-for-wordpress-and-other-websites/" class="max_widget_loader" data-widget-type="tshirt-size-calculator" data-title="T-Shirt Size Calculator" data-cta-button-text="Shop Now" data-cta-button-link="https://example.com/t-shirts" data-primary-color="#28a745" data-text-color="#343a40" data-results-bg-color="#f0f9f2" data-width="responsive">T-Shirt Size Calculator</a></p>

<!-- End of MaxWidgets Embed Code -->

Frequently Asked Questions

How do I install the T-Shirt Size Calculator Widget For WordPress 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 T-Shirt Size Calculator Widget For WordPress 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 T-Shirt Size Calculator Widget For WordPress 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.