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Break-even & contribution margin calculator
Enter your fixed costs per period, the net selling price and the variable cost per unit. Add a planned quantity to see profit and safety margin.
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🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Enter monthly fixed costs (rent, salaries, insurance, leasing).
- Enter net price and variable cost per unit (material, packaging, fees).
- Optionally enter the planned quantity to see profit and safety margin.
Last checked: October 2026 · Based on: Contribution margin accounting. Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
What is the break-even point?
The sales quantity at which revenue exactly covers fixed and variable costs – from the next unit on you make a profit.
What is the contribution margin?
Price minus variable cost per unit – the amount each sale contributes to covering fixed costs.
How can I lower the break-even point?
Raise prices, cut variable costs per unit or reduce fixed costs.