Break-Even Calculator
Work out how many sales you need to cover fixed costs, how much revenue that requires, and whether your current pricing leaves enough room for profit.
Need a walkthrough? Read the Break-Even Calculator Guide.
Inputs
Results update liveRent, software, salaries, insurance, and other fixed overhead.
Production, packaging, fees, and delivery cost tied to each sale.
Used to estimate how long it may take to cover fixed costs.
Profit checkpoints
Use these benchmarks to see whether your current pricing supports real operating profit after fixed costs.
Profit at 50 units
-$4,250
Profit at 100 units
-$3,500
Profit at 500 units
$2,500
Batch process break-even scenarios
Format each line as fixed costs, variable cost per unit, selling price, daily sales.
Viability check
Treat break-even as a risk test before spending more money
The break-even point tells you how much volume is needed before the plan stops losing money. The best use is to test whether price, cost, and demand assumptions are believable before committing budget.
Reference points
Methodology
- Separate fixed overhead from costs that happen only when a sale is made.
- Calculate contribution margin per unit, then divide fixed costs by that contribution margin.
- Compare the required sales volume with real channel capacity, seasonality, and conversion expectations.
Practical examples
- $5,000 fixed cost and $15 contribution per sale requires about 334 sales to break even.
- If daily sales are 10 units, that example takes roughly 34 days to recover fixed cost.
- If paid ads are needed to reach the volume, include customer acquisition cost in the scenario before launching.
Common mistakes to avoid
- Do not include fixed costs twice by mixing them into the variable cost field.
- Do not assume every sale happens at full price if discounts or returns are normal.
- Do not treat break-even as profit. It is the point where profit starts after costs are covered.
Interpretation
What your result means
This result shows the minimum sales volume needed before profit begins. If the number feels unrealistic, you likely need a better price, lower variable cost, or less fixed overhead before you commit to the plan.
Example
Worked example
A realistic scenario showing how the calculation guides a practical decision.
If fixed costs are $5,000, variable cost per unit is $10, and selling price is $25, your contribution margin is $15 per sale.
Dividing fixed costs by contribution margin gives a break-even point of about 334 units. That means you need roughly $8,350 in revenue before the product starts generating operating profit.
If your realistic monthly sales volume is below that number, the next decision is usually to revisit pricing, cost, or overhead rather than pushing harder on promotion.
Watch out
Common mistakes
- Using revenue instead of contribution margin when estimating break-even.
- Forgetting to include subscriptions, software, and overhead in fixed costs.
- Testing with an ideal selling price rather than the price customers actually pay.
- Ignoring variable costs like packaging, payment fees, or shipping.
Continue your analysis
Where this number takes you next
Each step builds on the result above.
Related tools
Adjacent decisions
Further reading
Guides
Trade-offs
Comparisons
FAQ
Frequently asked questions
How the calculation works and where its limits are.
What is the break-even point formula?
The formula in units is: Break-Even Point (Units) = Fixed Costs / (Selling Price per Unit - Variable Cost per Unit). In dollars: Break-Even Sales ($) = Fixed Costs / Contribution Margin Ratio, where Contribution Margin Ratio = (Selling Price - Variable Cost) / Selling Price.
What is the difference between fixed costs and variable costs?
Fixed costs remain constant regardless of production volume (e.g. rent, software subscriptions, insurance, base salaries). Variable costs fluctuate directly with each unit produced or sold (e.g. raw materials, packaging, transaction fees, direct labor).
How do I calculate break-even in Excel?
If Fixed Costs are in cell A2, Selling Price in B2, and Variable Cost in C2: Enter =A2/(B2-C2) to calculate break-even units. To calculate break-even revenue in dollars, use =A2/((B2-C2)/B2).
What is a break-even point?
It is the point where revenue exactly covers both fixed and variable costs, so the business is not yet making a profit or a loss.
Why does my break-even point change so much?
Small changes in selling price, variable cost, or fixed overhead have a large effect because they directly change your contribution margin per unit.
What should I do if the break-even target feels too high?
Usually the next step is to test a higher price, reduce variable cost, or lower fixed expenses before you commit marketing or inventory spend.