Net Profit Margin
Net Profit Margin = Net Income / Revenue × 100
Net profit margin represents the percentage of revenue that remains as profit after all expenses are deducted, including operating expenses, interest, and taxes. It's the "bottom line" profitability measure.
Variables
Profit after all expenses, interest, and taxes
Total sales or net sales for the period
Example Calculation
Scenario
Company JKL has net income of $150,000 and revenue of $2,000,000.
Given Data
Calculation
Net Margin = $150,000 / $2,000,000 × 100
Result
7.5%
Interpretation
The company keeps 7.5 cents of every revenue dollar as profit. This represents the final profitability after all costs are covered.
When to Use This Formula
- ✓Evaluating overall profitability
- ✓Comparing efficiency across companies
- ✓Analyzing profit trends over time
- ✓Investment decision-making
Common Mistakes
- ✗Ignoring one-time items that distort net income
- ✗Not considering industry differences
- ✗Confusing with gross margin or operating margin
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Common questions about this formula
Gross profit margin only deducts cost of goods sold from revenue, while net profit margin deducts ALL expenses including operating costs, interest, and taxes. Net margin is always lower than gross margin.
Net margin is affected by COGS, operating expenses, interest expense, taxes, and revenue. Improving any of these factors can improve net margin. Companies often focus on both revenue growth and cost control.