Broadcast includes a feature to display a custom size chart for any product you sell or a single size chart for all products when using the default product template:
Broadcast uses product metafields to display a custom size chart on each product page. This allows you to create multiple size charts and assign them to different products in your store.
To begin, create as many size chart pages as needed in your Shopify Admin Page editor. If you have an image already created for your size chart, add that to the content section of the page:
The next step is to define a Product metafield using Page as the reference type:
Your products will now have a Metafields section at the bottom. Use this to select which size chart page should be displayed when a customer is viewing this product.
In the Theme editor, choose your Size Chart metafield as the dynamic source:
Watch all the steps required to setup custom a metafield and connect to your products:
Steps covered in the video:
Create a reference metafield - Shopify Admin Settings
Assign a size chart to products (choose a page) - Shopify Product setup
Connect dynamic data source - Theme editor product template
If your store requires only one size chart for all product pages, you can skip a few steps and simply choose a page in the From settings: