Use the free Break-Even Point Calculator below: your data never leaves your browser — all work happens on your device, and nothing is uploaded to any server.
What the Break-Even Point Tells You
The break-even point is the number of units you must sell before your business starts making a profit. Below that number, you are losing money. Above it, every extra sale adds profit. It is one of the most useful numbers a small business owner can know, because it turns vague worry into a concrete target. If your break-even point is 250 units a month, you know exactly what a good month looks like. If you are selling 180, you know the gap is 70 units, and you can plan how to close it with more sales, a higher price, or lower costs.
The Three Inputs Behind the Math
Break-even math needs only three numbers. Fixed costs are the costs that stay the same whether you sell one unit or a thousand, such as rent, insurance, software subscriptions, and base salaries. The price per unit is what the customer pays for one item. The variable cost per unit is what each extra item costs you, such as materials, packaging, and per-sale fees. Subtract the variable cost from the price and you get the contribution per unit, which is how much each sale contributes toward fixed costs. Divide fixed costs by the contribution, and you get the break-even number of units.
A Worked Example
Suppose your fixed costs are 5,000 dollars a month. You sell a product for 50 dollars, and each unit costs 30 dollars to make and ship. The contribution per unit is 20 dollars. Divide 5,000 by 20 and the break-even point is 250 units. Revenue at break-even is 250 times 50, which is 12,500 dollars. That revenue is not profit. It exactly covers 5,000 dollars of fixed costs plus 7,500 dollars of variable costs for 250 units. Sell unit 251 and that extra 20 dollars of contribution becomes profit, assuming nothing else changes. The calculator also works out units for a target profit, so you can aim beyond survival.
Three Levers When the Number Looks Too High
If your break-even point feels out of reach, you have three levers. First, raise the price, but only if customers will still buy. A higher price raises the contribution per unit and lowers the break-even count quickly. Second, cut variable costs by finding cheaper materials, better shipping rates, or less waste. Third, cut fixed costs by renegotiating rent or dropping subscriptions you barely use. Each lever has limits, and the calculator lets you test combinations. A small price rise plus a small cost cut often beats one drastic change, because customers notice drastic price rises and drastic cost cuts can hurt quality.
Why Break-Even Changes Over Time
Break-even is not a permanent number. Supplier prices rise, rents change, and you may add staff or equipment. Seasonal businesses face a moving target too: a holiday peak may carry the quiet months, or the quiet months may need a lower fixed-cost base. Recalculate whenever a major cost changes, when you launch a new product, or when you change price. A product line with a low break-even point can subsidize a newer line that is still building sales, but only if you know both numbers. Without the math, it is easy to keep a losing product alive for years out of habit.
How to Use This Calculator
Enter your fixed costs for the period you care about, such as a month, then the price and variable cost per unit. The tool shows the contribution per unit, the break-even units, and the revenue at break-even. Add a target profit to see how many units that goal needs. Keep the period consistent: if fixed costs are monthly, the answer is monthly units. This is a planning estimate based on the numbers you enter. Real sales vary, costs move, and some months will beat or miss the target, so use the result as a guide for decisions, not as a guarantee.
Disclaimer: All results are estimates only and are not financial or tax advice. Check with a qualified professional before making financial decisions.