Conversion costs consist of product costs and period costs.

Conversion Costs

Expenses related to converting raw materials into finished goods, typically including labor and manufacturing overhead.

Product Costs

Expenses directly tied to the creation of a product, including materials, labor, and manufacturing overhead.

Period Costs

Expenses that are not directly tied to the production of goods or services, such as selling, general, and administrative expenses, and are expensed in the period incurred.