Break Even Analysis Calculator
Break-Even Calculator works out Break-even units and Break-even revenue from Fixed costs, Price per unit and Variable cost per unit. The default figures on this page give break-even units of 1,250; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
3 steps
- Contribution margin per unit = 100 - 60 = 40
- Break-even units = 50000 / 40 = 1250
- Break-even revenue = 1250 x 100 = 125000
Its 3 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
2 sources
Keep this result
Save it, change one figure, then compare the two
The calculation stays free. Save this scenario, adjust one assumption, save that too, and put them side by side to see exactly what the change costs you. A free account keeps 5 scenarios and 2 comparisons; Personal makes both unlimited and adds exports and private links. Nothing is saved unless you press Save.
What the Break-Even Calculator calculates
Finds the sales volume and revenue at which total costs are covered, plus the volume needed to hit a target profit.
How to use this Break-Even Calculator
Enter Fixed costs, Price per unit, Variable cost per unit and Target profit. Break-even units updates as you type, and “Use a worked example” loads checked figures you can adjust. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Break-even units, Break-even revenue and Contribution margin per unit.
The method follows Gross margin = (price - cost) / price; markup = (price - cost) / cost and Break-even units = fixed costs / (price - variable cost per unit).
50,000 fixed, price 100, variable 60 example
With Fixed costs: 50000, Price per unit: 100, Variable cost per unit: 60, the calculator returns Contribution margin per unit: 40, Break-even units: 1250, Break-even revenue: 125000. This example is checked against an independent source in the test suite.
What you can compare
Change one input at a time to see how it affects Break-even units, Break-even revenue and Contribution margin per unit. The inputs you can vary are Fixed costs, Price per unit, Variable cost per unit, Target profit and Expected unit sales.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
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Frequently asked questions
How do you calculate break-even?
Finds the sales volume and revenue at which total costs are covered, plus the volume needed to hit a target profit. Open “How this is worked out” beside the result to see each step for your own figures.
Is 100% ROI breaking even?
Finds the sales volume and revenue at which total costs are covered, plus the volume needed to hit a target profit. On the figures this page opens with — fixed costs 50,000, price per unit 100 and variable cost per unit 60 — the break-even units is 1,250. Put your own figures in their place and the working updates beside the result.
How to figure out how to break-even?
It needs Fixed costs, Price per unit, Variable cost per unit, Target profit and Expected unit sales. Nothing else is required, and the figures stay in your browser.
How do I create a break-even chart?
The result gives Break-even units, Break-even revenue, Contribution margin per unit, Contribution margin ratio, Units needed for the target profit and Margin of safety in units, each labelled with its unit so the figure can be read on its own.
What information do I need for the Break-Even Calculator?
You need Fixed costs, Price per unit, Variable cost per unit, Target profit and Expected unit sales. The page opens with default figures that give break-even units of 1,250, so you can see the scale before entering your own.
What does this Break-Even Calculator show?
It shows Break-even units, Break-even revenue, Contribution margin per unit, Contribution margin ratio, Units needed for the target profit, Margin of safety in units, Margin of safety and Profit at the expected volume, with the working and any warnings for your entries.