Profit Margin Calculator

Gross profit margin measures profitability after deducting only the cost of goods sold (COGS) from revenue, and is calculated as (revenue minus COGS) divided by revenue, expressed as a percentage. For example, if revenue is $500,000 and COGS is $300,000, the gross margin is 40%. Net profit margin is calculated after all expenses are deducted from revenue, including operating expenses, interest, depreciation, and income tax, and represents the true bottom-line profitability. Using the same example, if total expenses including COGS are $460,000, the net margin is ($500,000 minus $460,000) / $500,000 = 8%. Gross margin shows production and pricing efficiency; net margin shows overall business efficiency. For NZ businesses, both metrics should be tracked and compared against industry benchmarks. Source: General accounting principles.

Profit margins vary significantly by industry, so it is essential to compare against sector benchmarks rather than a single universal figure. For NZ small businesses, typical net profit margins are: retail 2-5% (thin margins, high volume); professional services such as accounting, legal, or consulting 15-25% (lower overheads, higher billing rates); hospitality including cafes and restaurants 3-8% (high labour and food costs); construction and trades 5-10%; and technology or software businesses 15-30%. A business generating a net margin consistently above its industry average is performing well. If margins are below industry norms, review pricing, COGS, and overhead costs. Stats NZ business performance surveys provide sector-level benchmarking data useful for NZ businesses. Source: Stats NZ business performance data; general accounting principles.

Markup and margin are both ways of expressing profit on a product, but they use different bases and are often confused. Markup is profit expressed as a percentage of cost: if a product costs $100 and you sell it for $120, the markup is $20 / $100 = 20%. Margin is profit expressed as a percentage of the selling price: using the same numbers, the margin is $20 / $120 = 16.7%. Markup percentage is always higher than the equivalent margin percentage for the same transaction. A common mistake is setting a target margin of 20% but using the markup formula, which results in a lower actual margin of 16.7%. For NZ business owners setting prices, use the correct formula for your intended measure. To convert: margin = markup / (1 + markup); markup = margin / (1 - margin). Source: General accounting principles.

Improving profit margins requires addressing both revenue and cost levers in your business. On the revenue side: review your pricing strategy and consider whether your prices reflect the value you deliver, as even a small price increase has a large impact on margin; shift your product or service mix toward higher-margin offerings; and reduce discounting. On the cost side: negotiate better terms with suppliers to reduce COGS; audit overhead expenses and eliminate or reduce non-essential costs; improve operational efficiency to reduce labour costs per unit. For NZ businesses, also review your tax position — claiming all legitimate business deductions reduces taxable income and improves after-tax profitability. Regularly benchmarking against industry peers using Stats NZ data helps identify where your margins are lagging. Source: General accounting principles; Stats NZ.