📊 Break-Even Calculator

Find your break-even point in units and revenue. Enter fixed costs, variable cost per unit, and selling price to see results with a visual chart.

Fixed Costs (monthly, $)

Variable Cost per Unit ($)

Selling Price per Unit ($)

What Is Break-Even Analysis and Why Does Every Business Need It?

Break-even analysis tells you exactly how many units you must sell — or how much revenue you must earn — before your business covers all of its costs. It is one of the most fundamental tools in financial planning, used by startups validating an idea, established companies launching new products, and investors evaluating profitability potential.

Key Break-Even Concepts

Fixed Costs — Expenses that stay the same regardless of output, such as rent, salaries, insurance, and loan payments.
Variable Costs — Costs that rise or fall with each unit produced, including raw materials, packaging, shipping, and sales commissions.
Contribution Margin — The selling price per unit minus the variable cost per unit. This is the amount each sale contributes toward covering fixed costs.
Break-Even Point (Units) — The number of units where total revenue equals total costs and profit is exactly zero.
Break-Even Revenue — The break-even units multiplied by the selling price, showing the minimum revenue target.

How to Use Break-Even Analysis in Business Planning

Pricing Decisions — Test different price points to see how they shift the number of units needed to break even.
Cost Reduction — Identify whether cutting fixed or variable costs has a bigger impact on profitability.
Startup Viability — Determine if projected sales volume realistically covers all costs before launching.
Expansion Planning — Evaluate how adding capacity or a new product line changes the break-even threshold.
Investor Confidence — Present clear break-even targets to stakeholders and lenders to demonstrate financial awareness.

The Break-Even Formula Explained

The core formula is: Break-Even Units = Fixed Costs — (Price per Unit - Variable Cost per Unit). The denominator — price minus variable cost — is the contribution margin per unit. A higher contribution margin means fewer sales are needed to cover fixed costs. You can also express the break-even point as a revenue figure using the contribution margin ratio: Break-Even Revenue = Fixed Costs — (Contribution Margin — Price per Unit). This ratio approach is especially useful for businesses that sell multiple products at varying prices.

Frequently Asked Questions

The break-even point is the number of units you need to sell so that total revenue equals total costs (fixed + variable). At this point, profit is zero — you are neither making nor losing money.

Break-Even Units = Fixed Costs — (Selling Price per Unit - Variable Cost per Unit). The denominator is called the contribution margin per unit.

Fixed costs remain constant regardless of production (rent, salaries, insurance). Variable costs change with each unit produced (materials, shipping, packaging).

Contribution margin per unit = Selling Price - Variable Cost per Unit. It represents how much each unit sold contributes toward covering fixed costs and generating profit.

It helps you understand the minimum sales needed to avoid losses, set pricing strategies, evaluate new product viability, and make informed business decisions.