Questions · Break-even
Break-even questions
Sample cost math—not business plans.
Math
How many units to break even at $50 price with $10,000 fixed and $30 variable?
Stated sample only: about 500 units. Prefill calculator · Example page.
What is contribution margin?
Price per unit minus variable cost per unit—the amount from each sale that can cover fixed costs and profit.
What if my margin is zero or negative?
Under this model you never cover fixed costs by selling more units at that constant price and variable cost.
Product
Is this business or tax advice?
No. Educational arithmetic only.
Can I embed this calculator?
Yes. Use the share and embed options on the calculator page.
Educational only. Last reviewed: August 9, 2026.
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