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Break-even calculator

How many sales do you need to cover your costs? Find the point where your business starts making money.

The math

How this calculator works

Break-even units = fixed costs ÷ (price − cost per unit). Every sale after that point adds its contribution margin to profit. This is a standard accounting formula, not a tax rule.

Source: SBA: Manage your business finances

Source: SBA: Manage your business finances

Figures and rules on this page come from the official and published sources linked above, as of November 2026. People and numbers in the examples are made up to explain the idea. This page is general information, not tax or legal advice for your situation, and laws change; check the linked source or ask a licensed CPA before you act.

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