Break-Even Calculator
Calculate your break-even point instantly by entering your fixed costs, variable cost per unit, and selling price. The break-even calculator shows break-even units, revenue, contribution margin, target profit units, and margin of safety — with a live chart — all running locally in your browser with no signup required.
Enter your fixed costs, variable cost per unit, and selling price to calculate your break-even point instantly. The break-even calculator also shows contribution margin, target profit units, and margin of safety — all running locally in your browser.
Currency
Core Inputs
Optional Inputs
All calculations run locally in your browser. No data is ever sent to a server.
Why Use Our Break-Even Calculator?
Real-time, private, and visual break-even analysis — entirely in your browser
Instant Break-Even Calculation
Enter your fixed costs, variable cost, and price and see your break-even point update in real time — no submit button needed. The break-even calculator processes everything locally in your browser with zero delay.
Secure Break-Even Calculator Online
Your business financials — cost structures, pricing, and profit targets — never leave your device. The break-even calculator runs 100% client-side, so your sensitive business data stays completely private.
Break-Even Calculator — No Installation
Use the break-even calculator directly in any modern browser with no downloads, no plugins, and no account required. Works on desktop and mobile — open the page and start calculating immediately.
100% Free with Visual Chart
The break-even calculator is completely free with no signup, no usage limits, and no ads. Get contribution margin, CM ratio, target profit units, margin of safety, and a live break-even chart — all in one tool.
Common Use Cases for Break-Even Calculator
When and why businesses use break-even analysis
New Product Pricing
Before launching a new product, use the break-even calculator to test different price points. See exactly how many units you need to sell at each price to cover your costs and start generating profit.
Business Plan Validation
Entrepreneurs use the break-even calculator to validate their business model before seeking funding. Investors expect founders to know their break-even point — this tool gives you that number instantly.
Freelance Rate Setting
Freelancers use the break-even calculator to determine the minimum hourly or project rate needed to cover their monthly fixed costs. Enter your monthly overhead as fixed costs and your target hours as units.
Event and Campaign Planning
Event organisers use the break-even calculator to determine the minimum ticket sales needed to cover venue, catering, and marketing costs. The margin of safety shows how much buffer you have above break-even.
Retail and E-Commerce
Online sellers use the break-even calculator to account for platform fees, shipping, and product costs as variable costs, and subscription fees and advertising as fixed costs — finding the minimum sales volume needed.
Cost Reduction Analysis
Business owners use the break-even calculator to model the impact of cost reductions. Lowering fixed or variable costs reduces the break-even point — the calculator shows the exact improvement instantly.
Understanding Break-Even Analysis
The formulas behind the break-even calculator and how to interpret your results
What is Break-Even Analysis?
Break-even analysis determines the point at which total revenue equals total costs — the point where a business neither makes a profit nor incurs a loss. Below the break-even point, the business operates at a loss; above it, every additional unit sold generates pure profit. The break-even point is expressed in units (how many items to sell) or revenue (how much money to generate). Our break-even calculator online computes both instantly from your fixed costs, variable cost per unit, and selling price — with a live chart showing where revenue crosses total cost.
How Our Break-Even Calculator Works
- Enter Your Costs and Price:Input your total fixed costs (rent, salaries, insurance — costs that don't change with output), variable cost per unit (materials, direct labour — costs that scale with each unit produced), and your selling price per unit.
- Instant Browser-Based Calculation: The break-even calculator computes your contribution margin, break-even units, break-even revenue, and CM ratio in real time as you type. Optionally enter a target profit to see how many units you need to sell to hit that goal, or enter expected units to see your margin of safety and projected profit.
- Read the Chart and Results: The break-even chart shows the revenue line (green), total cost line (red), and fixed cost line (yellow dashed) plotted against units sold. The blue dot marks the exact break-even point. All calculations run locally — your business data never leaves your browser.
Key Break-Even Formulas
- Contribution Margin (CM): Selling Price − Variable Cost per Unit. This is the amount each unit contributes toward covering fixed costs and generating profit.
- Break-Even Units: Fixed Costs ÷ Contribution Margin. The number of units you must sell to cover all costs with zero profit or loss.
- Break-Even Revenue: Break-Even Units × Selling Price. The total revenue needed to reach the break-even point.
- Margin of Safety: (Expected Units − Break-Even Units) ÷ Expected Units × 100. The percentage by which sales can fall before the business reaches its break-even point — a higher margin of safety means lower risk.
Limitations of Break-Even Analysis
Break-even analysis assumes a linear relationship between costs and output — that variable costs per unit and selling price remain constant regardless of volume. In practice, bulk discounts may reduce variable costs at higher volumes, and price reductions may be needed to sell more units. The break-even calculator is most accurate for businesses with stable, predictable cost structures. For businesses with multiple products, calculate a weighted average contribution margin or run the break-even calculator separately for each product line. Always treat the break-even point as a planning tool, not a guarantee of profitability.
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Frequently Asked Questions About Break-Even Calculator
Common questions about break-even analysis and how to use the calculator
A break-even calculator is a tool that determines how many units you need to sell (or how much revenue you need to generate) to cover all your costs — the point where profit equals zero. Our break-even calculator online runs entirely in your browser, updating results in real time as you type. No signup, no server, no data collection.
Absolutely. The break-even calculator runs 100% client-side in your browser. Your cost figures, pricing, and profit targets are never transmitted to any server, stored in a database, or tracked in any way. Everything stays completely private on your device.
Yes — the break-even calculator is 100% free with no signup, no account, and no usage limits. Run as many scenarios as you need, completely free forever. There are no ads, no premium tiers, and no data collection.
Break-Even Units = Fixed Costs ÷ Contribution Margin, where Contribution Margin = Selling Price − Variable Cost per Unit. Break-Even Revenue = Break-Even Units × Selling Price. The break-even calculator applies these formulas automatically as you enter your values.
Fixed costs are expenses that remain constant regardless of how many units you produce or sell — rent, salaries, insurance, software subscriptions, and loan repayments. Variable costs change directly with output — raw materials, direct labour per unit, packaging, and shipping per item. If you're unsure, ask: does this cost increase if I sell one more unit? If yes, it's variable.
Contribution margin is the selling price minus the variable cost per unit. It represents how much each unit sold contributes toward covering fixed costs and generating profit. A higher contribution margin means you reach break-even faster. The CM ratio (contribution margin ÷ price) shows what percentage of each dollar of revenue contributes to fixed costs and profit.
Margin of safety is the difference between your expected sales and your break-even sales, expressed as a percentage of expected sales. A 30% margin of safety means sales can fall 30% before you start losing money. A higher margin of safety indicates a more resilient business. Enter your expected units in the break-even calculator to see your margin of safety.
Yes. For service businesses, treat your monthly overhead (office, software, salaries) as fixed costs, your cost per client or project as variable cost, and your average revenue per client or project as the selling price. The break-even calculator will show how many clients or projects you need per month to cover your costs.
If your selling price is less than or equal to your variable cost per unit, there is no contribution margin — you lose money on every unit sold and can never reach break-even regardless of volume. The break-even calculator will show an error in this case. You must either increase your price or reduce your variable costs to make the business viable.