Pricing · 2026
Break-Even Calculator
Enter your fixed costs and unit economics to find the volume where you stop losing money.
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Break-even units per month43
- Break-even revenue per month
- $8,571.43
- Contribution margin per unit
- $140.00
- Contribution margin ratio
- 70.0%
- Profit at current volume
- $1,000.00
- Margin of safety
- 14.3%
Estimate only. This calculator uses published federal rates for tax year 2026 and does not account for state tax, credits, or your full situation. Use the separate state calculator for a state-rate estimate. It is not tax or financial advice. Rates last verified 2026-07-25.
Transparent method
How this calculator works
- Subtract variable cost per unit from selling price to get contribution margin.
- Divide fixed costs by contribution margin and round required units up to a whole unit.
- Compare current volume with the unrounded break-even point to calculate margin of safety.
What the result does not include
- The model assumes price and variable cost remain constant as volume changes.
- Capacity limits, taxes, financing costs, and step-fixed costs are not included.
Common questions
What counts as a fixed cost?
Anything you pay whether or not you sell anything: rent, salaries, software, insurance. Variable costs scale with each unit — materials, shipping, payment processing, contractor time tied to delivery.
What is margin of safety?
How far sales can fall before you start losing money. Below 20% you are fragile: one lost client or one slow month puts you underwater.