FREE BREAK-EVEN CALCULATOR

What is break-even analysis?

Break-even analysis determines the point at which total revenue equals total costs — meaning the business is neither making a profit nor incurring a loss. It is one of the most fundamental tools in financial planning, helping business owners understand the minimum sales volume or revenue needed to cover all expenses.

By accounting for fixed costs, variable costs, and pricing, break-even analysis gives a clear view of the minimum performance a product or business must reach to survive. Every unit sold beyond the break-even point contributes directly to profit.

The core formulas are:

For example, if a product sells for $10, costs $8 to produce, and the business has $100 in fixed costs: the contribution margin is $2 per unit, so the break-even point is $100 ÷ $2 = 50 units (or $500 in revenue).

How to use this break-even calculator

This calculator instantly computes your break-even point, margin, and markup. Follow these steps:

1. Enter revenue per unit — the selling price for one unit of your product or service.
2. Enter cost per unit — the variable cost to produce or acquire one unit (materials, direct labor, shipping).
3. Enter fixed costs — total fixed expenses for the period (rent, salaries, insurance, equipment depreciation).
4. Read the margin and markup — instantly see your profit margin (% of selling price) and markup (% of cost).
5. Read the break-even point — see how many units you need to sell and the total revenue required to cover all costs.
6. Compare scenarios — adjust inputs to model different pricing, cost structures, or fixed expense levels. Use the reset button to start fresh.

Key features

Four results at once

See margin, markup, break-even units, and break-even revenue — all calculated in real time as you type.

Edge-case handling

When revenue per unit equals cost per unit (zero contribution margin), the calculator returns 0 units instead of an error. All results are clamped to safe, non-negative values.

Input validation

All fields accept values from $0 to $999,999,999 with two decimal places. Invalid characters (e, E, +, -) are blocked.

Local storage persistence

Your inputs are saved automatically in the browser so you can close the tab and return later.

No sign-up required

100% free, runs entirely in your browser, and never asks for an email address or credit card.

Worked examples

The table below shows break-even calculations across different business scenarios:

Margin vs. markup: what is the difference?

These two metrics are often confused, but they measure profit from different perspectives:

Key insight: margin is always smaller than markup for the same product because the selling price (margin's denominator) is larger than the cost (markup's denominator). A 50% markup corresponds to a 33.3% margin.

Why break-even analysis matters

• Pricing strategy — model different price points to find the volume needed to cover costs at each level.
• Launch decisions — determine whether projected sales volume exceeds the break-even point before investing in a new product.
• Cost control — see how reducing fixed or variable costs lowers the number of units needed to become profitable.
• Investor and lender confidence — demonstrate that your business model has a realistic path to profitability.
• Sales targets — set clear, data-driven goals for your sales team based on the break-even volume.
• Risk assessment — understand how sensitive profitability is to changes in costs, pricing, or demand.

How to lower your break-even point

A lower break-even point means you reach profitability faster. Here are proven strategies:

• Increase revenue per unit — raise prices, add premium features, or bundle products to increase the average selling price.
• Reduce variable costs — negotiate better supplier pricing, streamline production, or switch to more cost-effective materials.
• Cut fixed costs — renegotiate leases, consolidate software subscriptions, or switch to remote work to reduce overhead.
• Improve operational efficiency — automate manual tasks, optimize scheduling, and reduce waste to lower both fixed and variable costs.
• Focus on high-margin products — prioritize selling products with the largest contribution margin to reach break-even faster.

Understanding contribution margin

The contribution margin is the heart of break-even analysis. It is the difference between the selling price and the variable cost per unit:

Contribution Margin = Revenue per Unit − Cost per Unit

Each unit sold contributes this amount toward covering fixed costs. Once all fixed costs are covered (at the break-even point), every additional unit sold generates pure profit equal to the contribution margin. A higher contribution margin means fewer units are needed to break even.

Who benefits from break-even analysis?

• Small business owners — understand how many sales are needed to cover costs and start generating profit.
• Entrepreneurs and startups — validate business plans by testing whether projected sales can cover expenses.
• Product managers — evaluate the financial viability of new products before committing to development.
• Finance teams — build accurate forecasts, budgets, and sensitivity analyses around break-even volumes.
• Sales leaders — set realistic, break-even-based sales targets for teams and territories.
• Students and educators — learn and teach fundamental business economics and cost accounting concepts.

Helpful resources

• Investopedia — Break-Even Point — Comprehensive guide to break-even analysis, formulas, and real-world applications.
• SBA — Calculate Your Startup Costs — U.S. Small Business Administration guidance on estimating costs for break-even planning.
• Harvard Business Review — A Refresher on Break-Even Quantity — Practical article on applying break-even analysis to business decisions.

Other free tools you might find useful

Analyze margins with the Contribution Margin Calculator, estimate true employee costs with the Labor Cost Calculator, or calculate fixed cost per unit with the Average Fixed Cost Calculator.

Break-even calculator FAQ