How to use this tool
Enter fixed costs, variable cost per unit and selling price per unit.
Check the contribution per unit before the break-even quantity. Whole units round up and assume every unit is sold.
Break-even units = fixed cost / (price − variable cost)
Worked example
500 · whole units to break even
Fixed example using the settings below. Monetary examples use USD; dates and times use their stated reference values. This example stays unchanged when you edit your calculation.
Example inputs
- Fixed costs: 10000
- Variable cost per unit: 30
- Selling price per unit: 50
Method illustration: 10,000 fixed cost with 20 contribution per unit breaks even at 500 units.
Assumptions and limits
- Assumes constant prices and costs and all units sold. Whole units round up.
Check or report a result
Check the units, selected calculation and assumptions first. Compare the fixed example above with your inputs to identify what changed.
Report a calculation issue with the page address, hypothetical inputs, result displayed and result expected. Do not include passwords, bank details or other private information.