Break-Even Calculator

Enter your fixed costs, the variable cost per unit and the price per unit to find the break-even point in both units and revenue, plus the contribution margin and a target-profit level.

Read the guide: How to Calculate Your Break-Even Point Step by Step

Costs & price

Break-even units

125

$12,500.00 in revenue

Contribution / unit
$80.00
CM ratio
80.00%
Units for target
125

Break-even units = fixed costs ÷ (price − variable cost). The contribution margin is what each sale puts toward fixed costs, then profit.

How it works

  1. 1

    Enter your costs

    Add total fixed costs and the variable cost for one unit.

  2. 2

    Enter the price

    Add the price you sell each unit for.

  3. 3

    See the break-even

    View the units and revenue to break even, plus the units for a profit target.

Instant & 100% private — nothing is uploaded

Every calculation runs locally in your browser. The income, balances and goals you enter stay on your own device and are never sent to a server — nothing is stored, logged or shared.

Frequently asked questions

How do you calculate the break-even point?
Divide fixed costs by the contribution margin per unit, which is price minus variable cost. The result is the units needed to cover all costs; multiply by price for break-even revenue.
How many units do I need to sell to break even?
Units = fixed costs ÷ (price − variable cost). With $10,000 fixed, a $100 price and $20 variable cost, the $80 margin means 125 units. Round up, since you cannot sell part of a unit.
What is the difference between fixed and variable costs?
Fixed costs like rent, salaries and insurance stay the same regardless of sales. Variable costs like materials, packaging and per-unit shipping rise with each unit. Break-even needs both, kept separate.
What is the contribution margin?
It is the price of a unit minus its variable cost, so the amount each sale contributes toward fixed costs and then profit. Once fixed costs are covered, each unit’s contribution is profit.
Is my data sent anywhere?
No. Every calculation runs in your browser. Nothing you type is uploaded, logged or stored, and the numbers reset when you close the tab.

Important

For information and planning only — not financial, tax or legal advice. These figures are estimates; rates, fees and rules vary, so confirm anything that affects a real decision with a qualified professional or the official source.

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