Contribution Margin

Contribution margin is a financial metric that represents the revenue remaining to cover a company's fixed costs after its variable costs have been deducted. It is a key measure of profitability for individual products, services, or business segments. Unlike gross profit, which deducts all costs of goods sold (both fixed and variable), contribution margin isolates the impact of variable costs on profitability.

Calculated as total sales revenue minus total variable costs, the contribution margin reveals how much each sale contributes to covering fixed expenses and generating profit. This metric is fundamental to break-even analysis, helping managers make informed decisions about pricing, production levels, and product mix. A higher contribution margin indicates a greater ability for a product or business unit to absorb fixed costs.

The metric can be expressed as a total dollar amount, a per-unit figure, or a percentage of revenue (contribution margin ratio). Understanding this figure is critical for effective financial planning, as it helps identify the most profitable products and provides a clear view of how changes in sales volume will impact net income.