Break-Even Calculator
Calculate break-even units and break-even revenue from fixed costs, selling price per unit and variable cost per unit.
Enter your values
Change any assumption and calculate again to compare scenarios.
How This Break-Even Calculator Works
The calculator uses the transparent method shown on this page: Break-even units = fixed costs ÷ (selling price per unit − variable cost per unit). The calculation is performed locally in your browser. The core values used by this tool are fixed costs, selling price per unit, variable cost per unit. Because the formula and supporting figures are visible, the answer can be checked independently rather than treated as a black-box result.
For reliable comparisons, use inputs from the same time period and definition. A ratio based on annual figures should not be mixed with a monthly amount unless the formula explicitly calls for it. For money calculations, the currency selector changes formatting only; it does not convert exchange rates.
How to Use the Calculator
- Enter the requested values using the labels and units shown.
- Select Calculate to run the formula locally in your browser.
- Review the headline result together with the supporting figures; those details are included to make the result easier to audit.
- On smaller screens, the result opens as a compact bottom panel inside the current viewport, so the answer is visible without scrolling down through the page.
- Use Copy Result, Share Result or Save Result Image when you need to keep the calculation.
Worked Example
With 25,000 in fixed costs, a selling price of 75 and variable cost of 45, contribution per unit is 30. Break-even is about 833.33 units, corresponding to approximately 62,500 in revenue before rounding to whole units.
When checking the example with your own figures, change one input at a time. This makes it easier to see which assumption caused the result to move and helps catch data-entry mistakes before the number is reused elsewhere.
Common Uses
- Estimate the unit volume required to cover fixed and variable costs.
- Compare the effect of pricing changes on break-even volume.
- Test how reductions in variable cost affect contribution per unit.
- Translate a unit break-even point into an approximate revenue target.
The calculator is designed for quick planning and verification. It is especially useful when you already know the source values and want a consistent calculation without building a spreadsheet formula from scratch.
How to Interpret the Result
Break-even is the point where modeled revenue equals modeled costs, not a profit target. A small contribution per unit produces a much higher break-even volume. If selling price is equal to or below variable cost, each additional unit does not contribute toward fixed costs and a conventional break-even point does not exist.
Keep the supporting values with the headline answer whenever the result may be reviewed later. A saved result is more useful when the original assumptions can still be understood, which is why the result card shows several supporting figures rather than only one number.
Common Search Questions About Break-Even Calculator
How do I calculate break-even?
Use the calculator on this page and enter the requested values. Calculate break-even units and break-even revenue from fixed costs, selling price per unit and variable cost per unit.
How can I get the break-even result quickly?
Enter the required values, calculate, and review the result together with its supporting figures. On rebuilt mobile calculators, the answer is brought into the current viewport so the result is easy to find.
What values do I need to calculate break-even?
Use the inputs shown in the calculator form and keep units consistent. For important decisions, use measured or verified values and review the page assumptions before relying on the result.
Important Limitations
The model assumes one selling price and one variable cost per unit and treats fixed costs as constant over the analyzed volume. Real businesses may have tiered pricing, capacity steps, returns, taxes, product mixes and semi-variable costs. Use the result as a planning estimate, not accounting or business advice.
Results are estimates based only on the values entered. Before using a figure for a contract, filing, investment decision, loan application, payroll action or other important purpose, compare it with the source documents and rules that actually apply to that situation.
Privacy, Mobile Results and Downloads
The arithmetic runs in the browser. Values entered into the calculator are used by the page to generate the displayed result. Saving a result image creates a graphic locally from the displayed output so the user does not need to capture surrounding navigation or advertisements.
On phones and other narrow screens, the result is presented immediately as a bottom result panel. The page behind it is temporarily prevented from scrolling while the panel is open. This keeps the calculated answer and result actions close to the user even when the explanatory article below the calculator is long.
Frequently Asked Questions
What is contribution per unit?
It is selling price per unit minus variable cost per unit. That amount is available to cover fixed costs and then profit.
Should break-even units be rounded?
For physical units, round up to the next whole unit because selling a fraction of a unit may not be possible.
What if variable cost is higher than selling price?
The calculator reports an error because the modeled unit economics cannot cover fixed costs.