Net Profit Margin Calculator
Calculate your net profit margin percentage after all expenses, interest and tax to gauge overall business profitability.
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How this calculator works
Net profit margin shows what share of revenue remains after every expense is paid, including operating costs, interest and tax. Enter revenue and net profit to see the ratio expressed as a percentage.
Frequently asked questions
How is net profit margin different to gross margin?
Gross margin only deducts direct production costs; net margin deducts everything, including overheads, interest and tax.
What net margin is considered good?
It depends on the industry, but many small Australian businesses aim for 10–20% net margin as a general guide.
Can net profit margin be negative?
Yes — a negative margin means the business made a loss for the period entered.
Results are estimates only and are not financial, tax, legal or credit advice.
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