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Free Break-Even Calculator

Find out how many units you need to sell to cover your costs. Interactive cost-revenue chart, what-if analysis, and contribution margin. Free and instant.

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Interactive chart
Visualize costs and revenue
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What-If analysis
Simulate price changes
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🌐 Works worldwide
1

Enter your costs

Fixed and variable costs

2

Set your price

Selling price per unit

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Break-even, chart & analysis

How Break-Even Analysis Works

Break-even analysis is an essential tool for every entrepreneur. It reveals how many units of a product or service you need to sell to cover all business costs, both fixed and variable.

The formula is: Break-even = Fixed Costs / (Selling Price - Variable Cost per Unit). The denominator is the contribution margin: how much each sale contributes toward covering fixed costs.

The What-If mode lets you simulate price changes and see how the break-even point shifts. It is invaluable for optimizing your pricing strategy.

The margin of safety shows how far current sales exceed the break-even point: the higher it is, the more resilient your business is to demand drops.

Real-world break-even examples

Example 1: Coffee shop

A coffee shop has fixed costs of $4,000/month (rent, utilities, staff). Each coffee costs $0.50 in ingredients and sells for $5.00. Contribution margin: $4.50. Break-even: 4,000 / 4.50 = 889 coffees/month (about 30 per day). At $5.50 per coffee, break-even drops to 800.

Example 2: E-commerce clothing store

Monthly fixed costs: platform $250, ads $1,800, warehouse $900 = $2,950. Variable cost per item: wholesale $20, shipping $6, payment fees $2 = $28. Average selling price: $65. Break-even: 2,950 / (65-28) = 80 orders/month.

Example 3: Freelance consultant

Fixed costs: coworking $400, software $200, insurance $150 = $750/month. Hourly rate $80, minimal variable costs ($5 average). Break-even: 750 / (80-5) = 10 billable hours/month. With 160 available working hours, the margin of safety is enormous.

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Frequently Asked Questions

What is the break-even point?

The break-even point is the sales level where total revenue equals total costs — no profit, no loss. Beyond this point, every additional unit sold generates net profit. It is a fundamental analysis for any business plan and for evaluating the economic feasibility of a project.

How do you calculate the break-even point?

The formula is: Fixed Costs / (Selling Price - Variable Cost per Unit). For example, with $10,000 in fixed costs, a $50 selling price, and $25 variable cost, break-even is 10,000 / (50-25) = 400 units. Break-even revenue is 400 × $50 = $20,000.

What is the difference between fixed and variable costs?

Fixed costs remain constant regardless of production volume: rent, salaries, insurance, depreciation. Variable costs change with the volume produced: raw materials, packaging, sales commissions, shipping costs.

What is the contribution margin?

The contribution margin is the difference between the selling price and the variable cost per unit. It shows how much each unit sold “contributes” toward covering fixed costs. The higher it is, the fewer units you need to break even.

How can I reduce my break-even point?

Three strategies: 1) Reduce fixed costs (renegotiate rent, outsource). 2) Reduce variable costs (cheaper suppliers, automation). 3) Increase the selling price (if the market allows). Use the What-If mode to simulate each scenario.

Why is break-even analysis important for a business plan?

In a business plan, break-even analysis demonstrates economic feasibility: how long and how many sales are needed to cover the initial investment. Banks and investors require it to assess risk. A break-even achievable within 6-12 months is considered a good indicator of sustainability.

Does break-even analysis work for services?

Absolutely. For services, the price is the hourly rate or project cost, and variable costs include staff time, software, travel. Break-even shows how many billable hours or clients are needed to cover fixed costs like office rent and salaries.

What is the margin of safety and why does it matter?

The margin of safety measures how far current sales exceed the break-even point, expressed as a percentage. A 30% margin means sales can drop 30% before the business starts losing money. It is a key indicator of business resilience, essential for financial planning.

How often should I recalculate break-even?

Recalculate break-even whenever fixed costs change (new lease, hiring), variable costs shift (raw material increases), or pricing changes. As a rule of thumb, at least every quarter and before any major strategic decision like launching a new product.

How do you calculate break-even for an e-commerce business?

For e-commerce, fixed costs include platform fees, hosting, software subscriptions, and fixed marketing spend. Variable costs are: product cost, shipping, payment gateway fees (2-3%), packaging, and returns. Break-even shows how many monthly orders are needed to cover fixed costs. See the detailed example above.

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