Скачать или смотреть 1. Basic usage - WC Kalkulator (Custom Price Calculator for WooCommerce)

https://wckalkulator.com
https://wordpress.org/plugins/wc-kalk...

WC Kalkulator (WCK) is a WordPress plugin which extends the WooCommerce to use custom extra fields with products and orders.
Extra product fields can be used to calculate product price and save information in order details.

Absolutely FREE plugin with PRO features
22 field types to get customer input
Price calculation based on formula or conditional expression

Sell products by anything. You are not limited to sell only by length, area, volume, etc. You decide how the prices will be calculated. WooCommerce Custom Fields and Price Calculator plugin allows full freedom to define fields and formulas for calculating custom price. You can create a personalized product in your store.