This document provides instructions on how to configure units of measure (UoM) in Odoo 13. It explains that Odoo supports multiple UoMs for products and describes how to set the UoM category and define reference, larger and smaller UoMs. It also covers how to select UoMs for products, purchase and sales orders, and configure rounding precision for UoM conversions. Finally, it discusses how to enable and create product packaging in Odoo.