WooCommerce: Stock Quantity Suffix e.g. “sq. in.”, “Kg”, “boxes”, etc.

Each WooCommerce business is different, which means customization is required to adapt the store to unique specifications.

A clear example is the stock quantity. Not all stores can display the standard notice “11 in stock”. The display could change to “11 Kg in stock” if stock is based on weight. Or maybe “11 boxes in stock” or “11 pairs in stock” in case the package description is useful UX-wise. Also, “11 m3 in stock” if the business sells volumes.

Either way, this is a nice trick to display a “stock quantity suffix” in your WooCommerce Single Product Page. Enjoy!

In this example, I’ve added “m2” suffix to the stock quantity on the WooCommerce Single Product Page. Easy peasy with the PHP snippet below!

PHP Snippet: Stock Quantity Suffix @ WooCommerce Single Product Page

/**
 * @snippet       Stock Quantity Suffix @ WooCommerce Single Product
 * @how-to        Get CustomizeWoo.com FREE
 * @author        Rodolfo Melogli
 * @compatible    WooCommerce 5
 * @donate $9     https://businessbloomer.com/bloomer-armada/
 */

add_filter( 'woocommerce_format_stock_quantity', 'bbloomer_stock_quantity_suffix', 9999, 2 );

function bbloomer_stock_quantity_suffix( $stock_quantity, $product ) {
    $stock_quantity .= ' m<sup>2</sup>'; // CONCATENATE " m2"
    return $stock_quantity;
}

Where to add this snippet?

You can place PHP snippets at the bottom of your child theme functions.php file (delete "?>" if you have it there). CSS, on the other hand, goes in your child theme style.css file. Make sure you know what you are doing when editing such files - if you need more guidance, please take a look at my free video tutorial "Where to Place WooCommerce Customization?"

Does this snippet (still) work?

Please let me know in the comments if everything worked as expected. I would be happy to revise the snippet if you report otherwise (please provide screenshots). I have tested this code with Storefront theme, the WooCommerce version listed above and a WordPress-friendly hosting on PHP 7.3.

If you think this code saved you time & money, feel free to join 14,000+ WooCommerce Weekly subscribers for blog post updates or 250+ Business Bloomer supporters for 365 days of WooCommerce benefits. Thank you in advance :)

Need Help with WooCommerce?

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Rodolfo Melogli

Business Bloomer Founder

Author, WooCommerce expert and WordCamp speaker, Rodolfo has worked as an independent WooCommerce freelancer since 2011. His goal is to help entrepreneurs and developers overcome their WooCommerce nightmares. Rodolfo loves travelling, chasing tennis & soccer balls and, of course, wood fired oven pizza.

Questions? Feedback? Support? Leave your Comment Now!
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