The Price by Formula Calculator for WooCommerce plugin allows you to create multiple product options using 16 types of fields and apply a custom formula to them. You can add multiple formulas to calculate the total measurement and price of any product.
Price by Formula Calculator for WooCommerce .zip file from your WooCommerce account.
the Admin Panel, go to Plugins > Add New and Upload Plugin with the file you downloaded after purchase.
and Activate the extension.
information at: Install and Activate Plugins/Extensions.
to Configure Price by Formula Calculator for WooCommerce?

configure the Price by Formula Calculator for WooCommerce plugin, go to WooCommerce > Price Formula within the admin panel.
you can view, edit, preview, and manage all the rules created by you. You can also import/export, preview, search and duplicate the rules from here.
New Rule:
the “Add New” button to add a new rule to create a custom price calculator and options.
will find 3 sections here, Product Fields, Configure Formula, and Applied On. Specify the rule name at the start.

Fields:
this section, you can add the fields to create product options. Click “Add Fields(s)” to add the new field.
you have to configure the added field. First, choose the “Field Type” from the dropdown menu.
set the “Field Label” which will be displayed on the product page to customers. You can also set the “Field Name” which you have to use in the formula for calculations and set “Price” for this field. You can make the field required and separate each field with the line by check “Add Separator After this Field” option. It will show the line as a separator after each field.