Break-Even Calculator
How many units do you need to sell to make profit? Calculate break-even point for your business.
Break-Even Guide
What is break-even point?
The break-even point is the minimum number of products or services a company must sell to cover all its costs. It's the point from which operations start generating profit — each subsequent sale brings revenue. The break-even point is the foundation of any business plan, showing how much must be sold for the business to be profitable. The formula divides fixed costs by the contribution margin (the difference between selling price and variable cost per unit).
Types of costs in business
Fixed costs are expenses a company incurs regardless of sales level — rent, administrative salaries, insurance, equipment depreciation, or utility fees. Variable costs grow proportionally with sales — materials costs, transportation, salesperson commissions, or packaging. Correctly distinguishing fixed from variable costs is crucial for accurate break-even calculations and financial planning.
Contribution margin and selling price
The contribution margin is the difference between unit selling price and variable cost. The higher the margin, the fewer units need to be sold to reach break-even. When setting prices, consider not only production costs but also target profit and a safety margin for unexpected expenses. Also analyze competitor pricing and remain flexible in wholesale negotiations.
Practical applications
Break-even helps make key business decisions: how much must a restaurant earn to cover rent? How many daily clients must a hair salon serve? How will the break-even point change with rent increases or material price changes? Regularly recalculating break-even helps detect financial problems early and respond to market changes. It's essential for business planning any new venture.
A 10% price rise cuts break-even by 18%. A 10% cost cut manages 10%
Break-even is where contribution covers fixed costs, and the three levers on it are not equal. Raising the price adds its whole increase to contribution margin, while cutting fixed costs moves break-even by exactly what you cut. On a typical set of numbers that makes price nearly twice as powerful.
How it works
- Calculates the units needed to cover fixed costs from price and variable cost per unit.
- Converts that into the revenue figure, which is what most people actually track.
- Compares the three levers — price, variable cost, fixed cost — on the same footing.
contribution margin = price − variable cost per unit break-even units = fixed costs ÷ contribution margin break-even revenue = break-even units × price price changes hit the margin, not just the top line
Worked example
5,000 of monthly fixed costs, a price of 40 and 22 of variable cost per unit.
- contribution margin: 40 − 22 = 18
- break-even: 5,000 ÷ 18 = 278 units, or 11,120 of revenue
- price +10% → 228 units, a fall of 18.2%
- variable cost −10% → 248 units, a fall of 10.9%
- fixed cost −10% → 250 units, a fall of exactly 10%
The same 10% applied to price removes 18.2% of the break-even volume, against 10% for fixed costs. Adding 4 to a contribution of 18 is a 22.2% increase in margin, which is why the effect is disproportionate.
Reading the result
- This is the arithmetic case for testing a price rise before cutting anything. A 10% increase does not need to survive a 10% loss of customers to be worthwhile — at this margin it can lose up to 18% of volume and still clear the same profit.
- Fixed costs move break-even exactly one-for-one, which makes them predictable but weak. They are still worth attacking when they are genuinely optional, but cutting them is arithmetic, not leverage.
- Variable cost sits in between, and it usually falls with volume through supplier terms. That creates a virtuous loop the other two levers do not have, though it takes scale to reach.
- Break-even assumes a single product and a stable mix. With several products at different margins, the calculation must be weighted by mix — and a shift toward the low-margin line raises break-even without any price or cost changing.
Common questions
- Which lever should I pull first?
- Price, if the market allows it, because it is the only one that improves the margin rather than the base. Test it on a segment rather than everywhere at once — you need to lose more than 18% of volume before a 10% rise stops being worth it here.
- Why is my break-even rising when nothing changed?
- Usually product mix. If sales shift toward a lower-margin line, the weighted contribution falls and break-even rises even though every individual price and cost is unchanged. That is worth checking before assuming costs have crept.