How to Use the Gross Margin Calculator
Enter figures for the same period and business scope, then click Calculate. The calculator returns gross profit, gross margin, and direct cost as a percentage of revenue.
- Enter Revenue, your total sales revenue for the period.
- Enter Direct cost, such as materials, direct labor, and other costs directly tied to what you sold.
- Choose Period: Monthly, Quarterly, Annual, or Per project.
- Click Calculate.
- After a valid result appears, use Copy result or Download result (.txt).
Formula and Result
The calculator uses these formulas:
Gross profit = Revenue - Direct cost
Gross margin % = Gross profit / Revenue x 100
For example, $50,000 in revenue and $30,000 in direct cost gives $20,000 gross profit and a 40% gross margin. After a valid calculation, the result shows Gross profit with the selected period, Gross margin, and Direct cost as % of revenue. The detail table shows Revenue, Direct cost, Period, and the calculated values. Displayed monetary and percentage values are formatted to two decimal places.
Inputs, Period, and Currency
- Keep Revenue and Direct cost on the same period and business scope.
- Use direct cost for materials, direct labor, and other costs tied directly to what was sold. Overhead, administration, and marketing expenses are not separate inputs.
- Period is a label only. It does not annualize or convert your figures.
- The currency selector changes the displayed symbol only. It does not convert currencies or use live exchange rates. Some euro, pound, and yen option text is malformed in the current source and may display incorrectly.
Validation and Limitations
For a result to appear, Revenue must be a number greater than zero, Direct cost must be a number of zero or more, and Direct cost cannot be greater than Revenue. An invalid value hides the result and displays a specific error message.
This is a single calculation from the figures you enter. It does not separately model taxes, returns, discounts, operating expenses, or net margin, and it does not fetch live rates, market prices, industry benchmarks, or accounting records.
Privacy and Calculation Behavior
The calculator script performs the calculation from values entered on the page and does not fetch live rates or external accounting data. Site-wide analytics scripts are also imported on the page, so the inspected files do not confirm whether analytics can observe form interactions or entered values.
Frequently Asked Questions
What is gross margin?
Gross margin is gross profit expressed as a percentage of revenue. Gross profit is revenue minus direct cost (the cost directly tied to producing or delivering what you sold), and gross margin shows what share of each revenue dollar remains after covering that direct cost.
What is the gross margin formula?
Gross profit = Revenue - Direct cost. Gross margin % = Gross profit / Revenue x 100. For example, $50,000 revenue and $30,000 direct cost gives $20,000 gross profit and a 40% gross margin.
What counts as direct cost?
Direct cost is the cost directly tied to producing or delivering what you sold - materials, direct labor, and cost of goods sold, for example. It excludes overhead, admin, marketing, and other operating expenses not tied to a specific unit sold, which belong in a net margin calculation instead.
What period should revenue and direct cost cover?
Revenue and direct cost should both cover the exact same period - the same month, quarter, or year - and the same unit of business (e.g. both for one product line, or both company-wide). Mixing periods or scopes produces a meaningless margin figure.
Does this tool fetch live data or give personalized financial advice?
No. It performs a single, transparent calculation using only the revenue and direct cost figures you type in. It does not fetch market prices, industry benchmarks, or accounting records, and it is not personalized financial, pricing, or tax advice.