Break-Even Calculator

The break-even calculator tells you how many units you need to sell before your business covers its costs. It is the first number to work out for almost any pricing or launch decision, and it is often far more useful than a profit forecast because it isolates the volume at which you stop losing money.

The calculation rests on three inputs. Fixed costs are the expenses you pay whether you sell anything or not: rent, salaries, software subscriptions, insurance, and accounting.Price per unit is what you charge. Variable cost per unit is what each additional sale costs you: materials, payment processing fees, shipping, or the commission on the sale.

The key idea is the contribution margin: the difference between price and variable cost. Every unit you sell contributes that amount towards covering your fixed costs. Your break-even point is simply your fixed costs divided by that contribution margin. A business with high fixed costs and low margins needs a lot of volume to get going, which is exactly the kind of insight this calculation surfaces.

If the calculator reports that no break-even point exists, it means your price does not exceed your variable cost. That is not a rounding problem, it is a structural one: every unit you sell makes the business worse off. The fix is a higher price, lower variable costs, or both. This is a good moment to look at what you could change operationally.

The contribution margin ratio shown alongside the result is worth tracking over time. It tells you what share of every pound or dollar of revenue is available to cover fixed costs and generate profit. A business whose margin ratio is improving can grow profit even while revenue is flat.

Add a target profit and the calculator goes one step further, showing the volume needed to hit that profit rather than merely break even. This is the number to use when you are deciding whether a price point, a product line, or a marketing push is worth pursuing.