How to use the break-even calculator
- Fixed costs: Costs that do not change with each unit sold.
- Selling price per unit: Revenue earned for each unit sold.
- Variable cost per unit: Cost incurred for each additional unit.
- Select Calculate to see the result. Change any input and calculate again to compare.
Worked example
1,000 fixed costs ÷ (25 price − 10 cost) requires 67 whole units.
Formula and assumptions
Fixed costs ÷ contribution per unit.
Assumes one product and constant unit prices and costs. A positive contribution per unit is required.
Reference: SBA break-even planning
Common questions
Why might my result differ from another estimate?
Assumes one product and constant unit prices and costs. A positive contribution per unit is required. Keep the same inputs and rounding when comparing tools.
Are my entries saved?
No. Calculations run on your device. Reloading or closing this page may clear your entries.