The break-even point is where total revenue exactly covers total costs — sell fewer units and you're operating at a loss, sell more and you're turning a profit. Knowing this number is one of the most fundamental checks before launching a product or service.
This calculator uses the standard break-even formula: fixed costs divided by the contribution margin (price minus variable cost per unit), giving both the number of units needed and the corresponding revenue figure.
It's a simplified model that assumes constant price and variable cost per unit — real businesses often see costs and pricing shift at different volumes, so treat this as a useful planning baseline rather than a guarantee.
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Frequently asked questions
What's the difference between fixed and variable costs?
Fixed costs stay the same regardless of how many units you sell, like rent; variable costs scale directly with each unit produced, like materials.
What if my price is lower than my variable cost?
In that case there's no break-even point — every unit sold loses money, and the calculation will show unusual or negative values, signaling the pricing needs to be revisited.