Free Break-Even Calculator
Updated September 2026
Calculate break-even point in units and revenue for any business or product. Enter fixed costs, variable costs, and selling price — free online analysis.
Verified Capabilities
Computes break-even units, break-even revenue, and contribution margin per unit from fixed costs, variable cost, and price.
Switch the displayed currency symbol across 40+ world currencies from the dropdown.
Returns a clear error if selling price is at or below variable cost, instead of a nonsensical negative or infinite result.
There is no profit/loss chart across sales volumes — the output is three numbers only, not a visual plot.
Whether you're planning finances, comparing options, or verifying numbers, having an accurate calculator ready saves time and prevents costly mistakes.
Calculate break-even point in units and revenue for any business or product. Enter fixed costs, variable costs, and selling price — free online analysis. Results are immediate — no waiting, no loading screens, no account required.
Who uses the Break-Even Calculator?
- Entrepreneurs validating whether a new product idea can be profitable at realistic volumes.
- MBA students completing financial modeling assignments with real break-even analysis.
- Small business owners setting minimum monthly sales targets for cash flow planning.
Common uses and search terms
The Break-Even Calculator is frequently used for: break-even, fixed costs, profit. Whether you need a quick result or are working through a longer project, the tool handles all common variations without any configuration.
Accuracy and formula transparency
The Break-Even Calculator uses a validated formula consistent with published standards from recognised financial and mathematical authorities. All arithmetic is performed with 64-bit IEEE 754 floating-point precision — the same standard used by Microsoft Excel, Google Sheets, and professional financial software. Rounding, if applied, follows standard half-up convention unless stated otherwise. Inputs and results are processed entirely in your browser; no data is transmitted to any server. For consequential financial or legal decisions, always verify results with a qualified professional.
Why use Allio Tools's Break-Even Calculator?
Everything runs locally in your browser. No data is sent to a server, logged, or stored anywhere. The tool is completely free with no usage limits, no premium tiers, and no account required. Available in 11 languages and optimised for all screen sizes, the Break-Even Calculator works on desktop, tablet, and mobile with no app download needed.
See also:Mortgage Calculator · Currency Converter · Loan Calculator
How the Break-Even Calculator works
Enter your total fixed costs (rent, salaries, insurance — costs that don't change with sales volume).
Enter your variable cost per unit (materials, shipping, direct labor per item sold).
Enter your selling price per unit.
Click Calculate to see the Break-Even Units, Break-Even Revenue, and Contribution Margin per unit.
Tips & tricks
- There's no profit/loss chart — the output is three numbers (Break-Even Units, Break-Even Revenue, Contribution Margin per unit), not a visual plot across different sales volumes.
- If Selling Price per Unit is less than or equal to Variable Cost per Unit, the calculator returns an error instead of a result — a business can never break even if each unit sold loses money before fixed costs are even considered.
- Break-Even Units is rounded up to the next whole unit (you can't sell a fraction of a unit to break even), while Break-Even Revenue and Contribution Margin are shown with decimal precision.
- For a quick sensitivity check, re-run the calculator with a different Selling Price to see how much the break-even quantity shifts — there's no built-in slider or chart for this, just re-enter values.
Frequently Asked Questions
What is the break-even formula?
Break-even units = Fixed Costs ÷ (Selling Price − Variable Cost per Unit). The denominator is called "contribution margin per unit." For example, $10,000 fixed ÷ ($50 price − $30 variable) = 500 units to break even.
What is contribution margin and why does it matter?
Contribution margin = Selling Price − Variable Cost per Unit. It represents how much each unit sold contributes toward covering fixed costs and then generating profit. Higher contribution margin means fewer units needed to break even. The calculator shows this per-unit figure directly.
Does the calculator show a profit/loss chart across sales volumes?
No — it returns three numbers only: Break-Even Units, Break-Even Revenue, and Contribution Margin per unit. There's no visual chart plotting profit or loss at different sales volumes; you'd need to calculate a few volumes manually (units sold × margin − fixed costs) to sketch that out yourself.
How does break-even analysis help with pricing decisions?
It shows the minimum volume you need to sell at any given price. You can test different price points by re-running the calculator: a higher price means break-even at fewer units, but may reduce demand.
Can I calculate break-even for a service business?
Yes. Treat your hourly rate or project fee as "Selling Price" and direct time cost as "Variable Cost per Unit." Fixed overhead (office, tools, software) is your "Fixed Costs."
What happens after the break-even point?
Every unit sold beyond break-even generates pure profit equal to the contribution margin per unit. This is why scaling after break-even is so powerful — fixed costs are already covered.
Is my data safe when using the Break-Even Calculator?
Completely safe. The Break-Even Calculator processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
How accurate are the Break-Even Calculator results?
The Break-Even Calculator uses standard, well-established mathematical formulas used by professionals worldwide — the same ones used by banks, financial advisors, and accounting software. Results are as accurate as the inputs you provide. See our <a href="/methodology/">Methodology page</a> for formula sources and references. For financial decisions, always verify with a qualified professional.
Can I share the Break-Even Calculator results with someone?
Yes. Copy the result number or screenshot the page to share via message, email, or social media. You can also bookmark and share the tool URL directly — the Break-Even Calculator opens instantly for anyone with a modern browser, no account needed.
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