Break Even Point Calculator
How many units a product has to sell before it stops losing money — your fixed costs divided by the contribution margin each unit leaves behind.
Break even point
—
Units needed to cover fixed costs
Profit per 100 units above break even
—
contribution margin × 100 units
Break even sensitivity
Break even at +20 % contribution margin
—
New margin / unit at +20 %
—
The curve shows how the required sales volume falls as the contribution margin per unit rises, with fixed costs held constant. The slider simulates a price or cost change.
Months to break even
—
break even point ÷ units per month
Next step
Profit Margin Calculator
Your contribution margin comes out of your gross margin — work that one out precisely.
What break even analysis tells you before you launch a product
The break even point is the sales volume at which total revenue and total cost are equal — no profit, no loss. Above it, every unit earns exactly its contribution margin; below it, every unit is drawing on money you have already spent. That is what makes the figure worth calculating before anything is committed: it decides whether a price holds, whether a fixed-cost structure is affordable at all, and whether the volume you honestly believe you can sell is anywhere near the volume you would need.
The break even formula works on contribution margin, not on price
Break even point = fixed costs ÷ contribution margin per unit
Most calculators ask for a selling price and a variable cost and work the margin out for you. This one takes it directly, because contribution margin = selling price − variable cost per unit is the same step either way — and once you have that number, it is the one you actually manage. If you only know price and cost, subtract them first: a $100 product carrying $60 of variable cost has a $40 contribution margin, and $40 is what the fixed costs get divided by.
How to calculate break even point in units and in revenue
A product with $10,000 of fixed costs, a $100 selling price and $60 of variable cost per unit — a $40 contribution margin:
From unit 251 onwards the product earns. Break even revenue is 250 × $100 = $25,000 — the same threshold stated in sales rather than in units.
The payback period: how many months of sales the fixed costs need
The break even point says how many units, not when you sell them. At a threshold of 250 units and 50 units a month, the fixed costs are covered after five months — that is the payback period on the fixed-cost block, and it is the number your bank account feels. The longer it runs, the longer you are financing those costs yourself, which is why the horizon deserves as much attention as the quantity. Enter your monthly volume above and the calculator turns the unit figure into months.
Which moves the break even point more: fixed costs or the contribution margin
- Cut the fixed costs: outsourcing, leaner structures or variable-instead-of-fixed cost models shrink the block that has to be covered, and the minimum volume falls in direct proportion — halve the block, halve the threshold.
- Raise the contribution margin: this is the stronger lever, because it acts on the divisor. A price increase of 5–10 % can pull the break even point down by 20–30 %, provided demand is elastic enough to take it. The slider above shows the effect on your own figures.
- Work the product mix: concentrate on the products with the highest contribution margin per unit. Your gross margin is the first indicator of how much each unit of revenue leaves behind, and the ranking it produces is rarely the same as the revenue ranking.
- Attack the variable costs: better purchasing terms, more efficient production or digital delivery instead of physical units reduce the variable share and lift the contribution margin without asking the customer for a higher price.
Frequently asked questions
- What is the break even point formula?
- Break even point = fixed costs ÷ contribution margin per unit, where the contribution margin is the selling price minus the variable cost of one unit. Example: $10,000 of fixed costs and a $40 contribution margin give 250 units. Sell fewer and the fixed costs are not covered; sell more and every additional unit adds $40 of profit.
- Is the break even point measured in units or in sales dollars?
- Both are in use and they describe the same threshold. In units it is fixed costs ÷ contribution margin per unit. The break even point in sales dollars is that quantity multiplied by the selling price, or equivalently fixed costs ÷ contribution margin ratio. This calculator returns units, because units are what you plan production, purchasing and capacity around — multiply by your price when you need the revenue figure.
- What does a break even chart show?
- A break even chart plots total revenue and total cost against sales volume; the point where the two lines cross is the break even point, and the widening gap beyond it is profit. It explains the idea well and answers the practical question badly, because the practical question is how sensitive the threshold is to your margin. The curve on this page does that instead: it shows the required volume falling as the contribution margin rises.
- What is the contribution margin formula, and how does it differ from gross margin?
- Contribution margin per unit = selling price − variable cost per unit. Both figures measure what survives the variable costs, but they are expressed differently: the contribution margin is an absolute amount ($40 per unit), gross margin a percentage of revenue (40 %). The break even calculation needs the absolute figure, because fixed costs are absolute too — a percentage cannot be divided into dollars.
- Fixed costs vs variable costs: what counts as which?
- Fixed costs are incurred whatever the volume: rent, salaries, insurance, software subscriptions, depreciation. Variable costs rise with every additional unit: materials, packaging, shipping, per-sale commission, payment fees. The split decides more than your bookkeeping — the higher the fixed share, the stronger the operating leverage, and profits climb disproportionately once the break even point is passed.
- Is a lower break even point always better?
- As a rule yes: you reach profitability sooner and you carry less risk. You lower it either by cutting fixed costs or by raising the contribution margin per unit. The trap is the opposite direction, where a discount works against you twice — a 10 % price cut can push the required volume up by 30 to 50 % while the fixed costs stay exactly where they were.
- How long does it take to break even?
- Divide the break even point by your monthly sales volume. At 250 units and 50 units a month it takes five months to cover the fixed costs. Selling more each month, or needing fewer units in the first place, shortens it — and until that point is reached the fixed costs are being financed out of your own cash.