Break-Even Calculator
Enter your fixed monthly costs, price per unit or sale, and variable cost per unit. The calculator shows how many units you need to sell to cover all costs.
Break-even units per month:
Break-even revenue per month:
Contribution margin:
Profit at 2× break-even:
What Is Break-Even Analysis?
Break-even analysis is one of the most fundamental tools in business finance. It tells you the exact point at which your total revenues equal your total costs — the moment you stop losing money and start making a profit. Below that point, you are operating at a loss. Above it, every additional unit sold generates pure profit.
Whether you are launching a new product, starting a business, evaluating a pricing change, or deciding whether to add a new service, knowing your break-even point is essential for making informed decisions.
The Break-Even Formula
The break-even point in units is calculated as:
Break-Even Units = Fixed Costs ÷ Contribution Margin per Unit
Where:
Contribution Margin = Price per Unit − Variable Cost per Unit
The contribution margin represents how much revenue from each sale is available to "contribute" toward covering fixed costs and generating profit once variable costs are paid.
Break-Even Revenue = Break-Even Units × Price per Unit
Worked Example
A coffee shop has the following costs:
- Fixed costs: $5,000/month (rent, salaries, insurance, utilities)
- Price per coffee: $5.00
- Variable cost per coffee: $1.50 (beans, milk, cup, lid)
Contribution margin: $5.00 − $1.50 = $3.50 per coffee
Break-even units: $5,000 ÷ $3.50 = 1,429 coffees per month (about 48 coffees per day)
Break-even revenue: 1,429 × $5.00 = $7,143 per month
Contribution margin percentage: $3.50 ÷ $5.00 = 70%
Profit at double break-even (2,858 coffees): (2,858 × $3.50) − $5,000 = $5,003 profit per month
Fixed vs. Variable Costs
Understanding the distinction between fixed and variable costs is the foundation of break-even analysis:
| Cost Type | Definition | Examples | Changes with Volume? |
|---|---|---|---|
| Fixed Costs | Costs that stay constant regardless of how much you produce or sell | Rent, salaries, insurance, software subscriptions, loan payments | No |
| Variable Costs | Costs that increase directly with each unit produced or sold | Raw materials, packaging, shipping, payment processing fees, commissions | Yes — proportionally |
| Semi-Variable | A mix of fixed and variable components | Electricity, phone bills with usage charges, part-time labor | Partially |
In break-even analysis, semi-variable costs are typically split into their fixed and variable components or simplified as one or the other for calculation purposes.
Contribution Margin: Your Profitability Metric
The contribution margin percentage (also called the gross margin percentage in some contexts) is one of the most powerful metrics in business:
- A 70% contribution margin means that for every $1 of revenue, $0.70 goes toward covering fixed costs and profit
- A 30% contribution margin means only $0.30 of every $1 is available after variable costs
- A negative contribution margin means you lose money on every unit sold — lowering the price or raising the volume will only increase your losses
High contribution margins are found in software, digital products, and intellectual property. Low contribution margins are common in retail, restaurants, and manufacturing. Knowing your contribution margin helps you make smarter pricing and cost decisions.
Sensitivity Analysis: What If Prices Change?
Break-even analysis is especially powerful for "what if" scenarios:
If price drops 10% (from $50 to $45 in our default example with $20 variable costs):
- New contribution margin: $45 − $20 = $25
- New break-even units: $5,000 ÷ $25 = 200 units (vs. 167 at $50)
- That's 20% more units needed to break even
If variable costs rise 15% (from $20 to $23):
- New contribution margin: $50 − $23 = $27
- New break-even units: $5,000 ÷ $27 = 186 units (vs. 167)
This type of analysis helps businesses understand their vulnerabilities and set pricing strategically to maintain profitability even when costs shift.
How Break-Even Analysis Is Used in Pricing Decisions
Break-even analysis is a starting point for pricing strategy, but it should be combined with:
Market-based pricing — What are competitors charging? What is the customer willing to pay?
Value-based pricing — What is the customer's willingness to pay based on the value they receive, independent of your costs?
Target profit pricing — Work backwards from a desired profit margin. If you want $10,000/month in profit with $5,000 in fixed costs, you need to cover $15,000 total. At a $30 contribution margin, you need 500 units sold.
Break-even is the floor, not the target. It tells you the minimum you must achieve to survive — your pricing and volume strategy should aim well above it.
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Frequently Asked Questions
What is the break-even point in business?
The break-even point is the level of sales at which your total revenues exactly equal your total costs — fixed plus variable. At this point, your business makes neither a profit nor a loss. Every unit sold above the break-even point generates profit equal to the contribution margin per unit.
What is a good contribution margin?
There is no universal standard — it depends heavily on your industry. Software and digital products often have contribution margins of 70–90%. Services businesses typically range 40–70%. Retail and restaurants often run 20–50%. The key is that your contribution margin must be high enough that realistic sales volumes cover your fixed costs and generate the profit you need.
How do fixed costs affect the break-even point?
Higher fixed costs directly raise the break-even point. If your fixed costs double, you need to sell twice as many units to break even (assuming price and variable costs stay the same). This is why businesses with high fixed costs (like airlines, hotels, and manufacturers) are sensitive to volume drops — a small revenue decline can quickly turn a profit into a loss.
Can I use break-even analysis for a service business?
Yes, absolutely. For a service business, 'units' might be client hours, sessions, projects, or subscriptions. Define your price per unit (e.g., hourly rate or monthly subscription fee), variable cost per unit (materials, contractor costs, software used per client), and your fixed monthly overhead. The formula and logic are identical.