Free · Formula and example shown

Break-even calculator

How many units, and how much revenue, you need to cover your fixed costs or hit a profit target.

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  • Stays in your browser
  • Sources named below

Your numbers

Rent, salaries, insurance, licences: costs that do not change with sales.
Before VAT.
Goods, packaging, commission: costs that rise with each sale.
For profit and margin of safety.

Result

Enter fixed costs, price and variable cost to see the break-even point.

How it is calculated

The working

  • Contribution per unit = selling price - variable cost per unit. (What each sale leaves to pay the fixed costs.)
  • Break-even units = fixed costs / contribution per unit, rounded up to a whole unit.
  • To aim for a profit: units = (fixed costs + target profit) / contribution per unit.
  • Break-even revenue = break-even units x selling price.
  • Margin of safety = (expected units - break-even units) / expected units. It shows how far sales can fall before you stop making a profit.

Sources

  1. Standard cost-volume-profit analysis; no regulatory source applies.

Rules and rates change. Always confirm against the current official text.

Free lessons that explain it

From the free Zeyto Academy. No account needed.

Take the inputs from your books

Zeyto's profit and loss by month shows your real fixed costs and sales, so break-even runs on what happened, not on what you remember.

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Cite this tool

Page
Break-even calculator
Publisher
Zeyto (Emeron Infospace FZE)
Address
https://zeyto.app/tools/break-even-calculator
Zeyto. "Break-even calculator", free tool, Emeron Infospace FZE. https://zeyto.app/tools/break-even-calculator

You are welcome to link to this page. Please do not pass the results on as advice: each page says what it covers and what it leaves out.

Questions

Common questions

What counts as a fixed cost?
A cost that stays the same whatever you sell in the period: rent, salaries, insurance, licences. Costs that rise with each unit sold, such as the goods themselves, packaging or sales commission, are variable costs.
What if the price is lower than the variable cost?
Then each sale loses money before fixed costs and there is no break-even. The calculator tells you so instead of showing a number.
Why are the units rounded up?
You cannot sell part of a unit, and selling one unit fewer than the exact figure leaves you slightly short of break-even.
Does it work for services?
Yes. Use an hour, a job or a visit as the unit, the price as what you charge for it, and the variable cost as what each one costs you to deliver.
What does it assume?
That price and variable cost per unit stay constant, and that you sell one product or an average mix. Real life moves, so treat it as a planning guide and re-run it when prices or costs change.