Definition

Variable cost is a cost that changes in proportion to changes in volume or activity. For example, the cost of producing one unit requires $30 in materials. The greater the volume of production, the greater the variable costs. Variable costs are fixed for the unit regardless of the volume of production. For the company, they are variable with The volume of production: as the volume of production increases, the volume of variable costs increases and vice versa.

Detailed Explanation

Variable cost changes in proportion to activity/volume. Example: if materials are $30 per unit, total variable costs increase as production increases.

Common Uses

- Used in product/service costing, budgeting, and variance analysis.
- Used to support pricing decisions and profitability analysis by cost behavior and drivers.

Practical Example

- Example: The costing team uses **variable cost** to allocate costs and analyze margins by product line.

Why This Term Matters

- Why it matters: Improves cost accuracy, supports better pricing and budgeting, and strengthens performance measurement.