Find out how many units you need to sell to cover your fixed and variable costs (break-even point).
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The break-even point is the number of units (or amount of revenue) a business must sell to cover all its costs — both fixed costs (rent, salaries, insurance, which don't change with sales volume) and variable costs (materials, packaging, which scale with each unit sold) — without making a profit or a loss. It's calculated by dividing total fixed costs by the "contribution margin" per unit, which is the selling price per unit minus the variable cost per unit, representing how much each additional sale contributes toward covering fixed costs before profit begins. Any sales above the break-even point are considered net profit, and any sales below it mean a loss, which is why this indicator is essential when evaluating the feasibility of a new project, deciding whether to launch a product, or setting a selling price — it shows the minimum sales volume required before a business or product line starts generating actual profit rather than simply covering its own costs.
Before a new product or business can talk about profit, it first has to cross a specific line: the break-even point, the exact sales volume where total revenue equals total costs. Below that line, the venture is losing money regardless of how promising it looks; above it, every additional sale becomes genuine profit.
The calculation separates costs into two distinct categories that behave very differently. Fixed costs — rent, salaries, insurance, loan payments — stay roughly constant regardless of how many units you sell that month. Variable costs — raw materials, packaging, per-unit shipping — scale directly with production volume, rising and falling with sales.
The key figure connecting these two cost types is the contribution margin: the selling price of one unit minus its variable cost. This represents how much of each sale is actually left over to pay down the fixed costs sitting in the background, before any of it becomes profit. Dividing total fixed costs by this per-unit contribution margin tells you exactly how many units you need to sell before those fixed costs are fully covered.
This makes break-even analysis a natural first stop when evaluating a new product idea, a price change, or whether a business line is viable at all. A product with a slim per-unit margin needs to sell in high volume to break even, while a product with a fat margin can reach the same point with comparatively few sales — information that shapes pricing strategy and realistic sales targets before a single unit ships.
It's worth remembering that break-even analysis, in its simple form, assumes costs and price stay constant across the relevant volume range, which isn't always true at very large scales (bulk material discounts, for instance, can shift variable costs). Still, as a first-pass feasibility check before committing capital to a new venture, it remains one of the most widely used tools in small business and product planning precisely because it's fast to calculate and easy to explain to stakeholders.
Fixed costs stay the same regardless of production volume (like rent), while variable costs change with each unit produced (like raw materials).
You would lose more money with every unit sold — the business model needs to be revised, since it can never break even at that price.
Yes — raising your price lowers the number of units needed to break even, since each sale now covers more of your fixed costs, all else being equal.