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How to Add Custom Product Fields In WooCommerce

Updated on  17th January

5 Min Read
Reading Time: 5 minutes

WooCommerce is the most popular ecommerce solution for WordPress. According to BuiltWith, as of January 2017, WooCommerce powers over 42% of all online stores!

Add Custom Product Fields In WooCommerce

If you are looking for an online store that is easy to setup and manage, WooCommerce is an excellent option that is both free and open source. In addition, WooCommerce has evolved into a very competent ecommerce solution for WordPress based websites.

In my previous article I discussed how to add custom product fields in WooCommerce Checkout Page and in this tutorial, I will discuss how you could add custom product fields in WooCommerce.

Introduction of Custom Fields

As you could see from the above screenshot, I will demonstrate how you could add custom fields to the Edit Product page. In order to add these fields, I will show you how to edit the functions.php file, found in the theme folder.

The first step is to hook to woocommerce_product_options_general_product_data. The function linked to this hook is responsible for displaying the new fields. A second hook, woocommerce_process_product_meta, will save the custom field values. Both these actions are carried out in the following code:

Adding Product Custom Fields

To create the fields, I will generally use the built-in WooCommerce functions including:


Package: WooCommerce\Admin\Functions

Located at:  includes/admin/wc-meta-box-functions.php


Package: WooCommerce\Admin\Functions

Located at includes/admin/wc-meta-box-functions.php

Field Structure to be Included

Note the use of desc_tip to display those nice little bubbles to the right of the field instead of displaying the default field description. This attribute works for every field type.

In the above code, the default value of step is 1 with the min set to zero. Basically, this means that I  expect a positive value here (at least greater than zero).

The following code should be used for creating the text area:

Here is the complete code of custom input fields which you must paste in the functions.php,  located in the theme folder.

Saving Data in the Database

Once you have created the custom product fields, another function is required to save the values, once the user hit either the update or the publish button.

I will now create a function woocommerce_product_custom_fields_save.This function is hooked to woocommerce_process_product_meta. This function is pretty simple; It first checks whether the field is empty. If not, a post meta is created using update_post_meta(). I used esc_attr() and esc_html() to secure the data.  Here is the code for saving the value of all the fields:

Save Vlaue in DB

Get the Values From the Database

Now that the fields have been created and their values saved, I will now display the values on the frontend. In this case, the best method would be to work with the WooCommerce custom templates.

To get those values, I will use the popular get_post_meta() function.

Display Fields


In this article I discussed how to add custom fields to WooCommerce product page. I also demonstrated how you could display the values on the frontend. If you have any trouble using the code or would like to contribute to the discussion, do leave a comment below!

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Owais Alam

is the WordPress Community Manager at Cloudways - A Managed WooCommerce Hosting Platform and a seasoned PHP developer. He loves to develop all sorts of websites on WordPress and is in love with WooCommerce in particular. You can email him at

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