About this break-even calculator
Estimate how many whole units cover fixed and variable costs. Contribution per unit is selling price minus variable cost. Divide fixed costs by contribution and round up to whole units. Use this workspace to prepare a result you can review before putting it to use. All processing takes place on your device, without an account or an upload of your inputs. Check the examples to understand the expected output, read the limitations for the supported scope, and reset the form when you want to start a separate task.
How the break-even calculator works
Contribution per unit is selling price minus variable cost. Divide fixed costs by contribution and round up to whole units.
Break-Even Calculator examples
Fixed 1000; price 25; variable 15
100 units; revenue 2500
Fixed 101; price 20; variable 10
11 units; revenue 220
Limitations & privacy
Use at most two decimal places. Fixed and variable costs are capped at 1 trillion; price must be positive and exceed variable cost. Assumes a constant price and cost per unit, no tax or capacity limits. Not a business forecast.
Inputs and results stay in this browser. Only tool identifiers are stored for your recently used tools. You can clear that history from the directory.
Break-Even Calculator: frequently asked questions
How does the break-even calculator work?
Contribution per unit is selling price minus variable cost. Divide fixed costs by contribution and round up to whole units.
What can I inspect in the break-even calculator result?
The profit around break-even helps you check the result before using it. Use at most two decimal places. Fixed and variable costs are capped at 1 trillion; price must be positive and exceed variable cost. Assumes a constant price and cost per unit, no tax or capacity limits. Not a business forecast.
Does the break-even calculator upload my input?
Processing happens in your browser. No tool input or output is uploaded to a server. Use Reset to clear the current workspace before starting a separate task.
Updated September 20, 2026