Break-Even Calculator
Break-even units = ceiling(fixed costs ÷ (price − variable cost))
Find the whole-unit sales volume needed to cover fixed and variable costs.
Formula
Break-even units = ceiling(fixed costs ÷ (price − variable cost))
Worked example
Fixed costs: 10000
Price per unit: 50
Variable cost per unit: 30
With these inputs, the result is 500 units.
How to use this calculator
- Identify the quantity you want to calculate.
- Enter your measurements in the units shown on each field.
- Read the result, which updates as you change the inputs.
- Check the assumptions below before applying the result.
Assumptions and limits
Price must exceed variable cost per unit. Assumes one product and constant unit economics.
Precision and checking
Results are rounded for display. Use the most accurate measurements available, and avoid rounding your inputs unnecessarily. Extra decimal places in a result do not make an estimate more reliable.
To check a result, substitute the same input values into the formula shown above. Change one value at a time to understand how the quantity responds.
Frequently asked questions
What assumptions does this calculation use?
Price must exceed variable cost per unit. Assumes one product and constant unit economics.
Are my inputs sent to a server?
No. The calculation runs locally in your browser. The result updates as you edit the inputs.
