What is a break-even point?

Published Monday 11 May 2026

Table of contents

• What is a break-even point?
• Why calculating your break-even point matters
• How to calculate your break-even point
• How to use your break-even analysis
• Factors that affect your break-even point
• Advantages of break-even analysis
• Limitations of break-even analysis
• How to lower your break-even point
• Track your break-even point with Xero
• FAQs on break-even points

Key takeaways

• The break-even point is where your total revenue equals your total costs, meaning your business is making neither a profit nor a loss.
• You can calculate it in units (Fixed Costs / Contribution Margin per Unit) or in sales revenue (Fixed Costs / Contribution Margin Ratio), depending on whether you sell products or services.
• Understanding your break-even point helps you set realistic sales targets, make smarter pricing decisions, and plan for profitability.
• Regularly reviewing your break-even analysis keeps you in control as costs, prices, and business conditions change over time.

What is a break-even point?

The break-even point is the moment your business's total revenue equals its total costs. At this point, you're not making a profit, but you're not making a loss either. Every pound you earn beyond this point goes towards profit.

Think of it as the finish line your sales need to cross before your business starts earning money. Until you reach your break-even point, your revenue is going towards covering costs. Once you pass it, you're in profit.

To understand break-even, it helps to know the two types of costs your business faces: fixed costs and variable costs. Your break-even point is directly shaped by both of these. Getting clear on the difference makes the calculation much easier to grasp.

Fixed costs vs variable costs

Fixed costs stay the same regardless of how much you sell. These are the expenses you pay whether business is booming or quiet.

Common fixed costs for UK businesses include:

• office or shop rent
• staff salaries
• business insurance
• software subscriptions
• equipment lease payments

Variable costs change depending on how many units you produce or sell. The more you sell, the higher these costs climb.

Common variable costs include:

• raw materials or ingredients
• packaging
• shipping and delivery charges
• sales commissions
• payment processing fees

Getting a clear picture of both types of costs is essential before you can calculate your break-even point. The split between fixed and variable costs also influences how sensitive your break-even point is to changes in your business.

Why calculating your break-even point matters

Knowing your break-even point gives you a clear financial target to aim for. It takes the guesswork out of some of the most important decisions you'll make as a business owner.

Here's why it matters:

• Smarter pricing decisions: When you know exactly how much it costs to break even, you can set prices that cover your costs and leave room for profit. Without this information, you're pricing in the dark.
• Better cost control: Break-even analysis highlights where your money goes. It shows which fixed costs are weighing you down and whether your variable costs per unit are sustainable.
• Realistic profit planning: You can work out how many sales you need to hit a specific profit target. This makes financial planning grounded in actual numbers, not guesswork.
• Stronger business plans: If you're applying for a loan or pitching to investors, a break-even analysis shows you understand your numbers. It adds credibility to your business plan and demonstrates financial awareness.

Whether you're starting an online business or reviewing an established one, knowing your break-even point helps you make confident decisions about growth, pricing, and spending.

How to calculate your break-even point

There are two main formulas for calculating your break-even point. Which one you use depends on whether you want to know how many units you need to sell or how much revenue you need to bring in.

Break-even point formula (units)

This formula tells you the number of units you need to sell to cover all your costs:

Break-even point (units) = Fixed Costs / (Selling Price per Unit – Variable Cost per Unit)

The bottom part of this formula is called the contribution margin per unit. It represents how much each sale contributes towards covering your fixed costs after the variable costs are paid.

For example, if you sell a product for £30 and it costs £10 in variable costs to produce, your contribution margin per unit is £20. That £20 from each sale goes towards paying off your fixed costs. Once you've sold enough units to cover them all, you've hit break-even.

Break-even point formula (sales revenue)

This formula is especially useful for service-based businesses or those selling a range of products at different price points:

Break-even point (sales revenue) = Fixed Costs / Contribution Margin Ratio

The contribution margin ratio is the contribution margin per unit divided by the selling price per unit. It tells you what percentage of each pound of revenue goes towards covering fixed costs.

Using the same example, a £20 contribution margin on a £30 selling price gives you a contribution margin ratio of 0.67, or 67%. If your fixed costs are £50,000, your break-even revenue would be £50,000 / 0.67 = approximately £74,627.

This approach works well when you're exploring new business ideas and need to estimate how much revenue a service or mixed-product business needs to generate.

Step-by-step calculation example

Here's a worked example for a product-based business.

Earrings & Things is a small UK jewellery business with the following numbers:

• Fixed costs: £50,000 per year (rent, salaries, insurance)
• Selling price per pair of earrings: £30
• Variable cost per pair: £10 (materials, packaging, shipping)

1. Calculate the contribution margin per unit: £30 – £10 = £20
2. Apply the break-even formula: £50,000 / £20 = 2,500 units
3. Earrings & Things needs to sell 2,500 pairs of earrings per year to break even

To find the break-even revenue: 2,500 x £30 = £75,000 in sales.

Now here's a service-based example.

Fresh Start Consulting is a small UK marketing consultancy:

• Fixed costs: £36,000 per year (office rent, software, salary)
• Average service fee per client: £1,200
• Variable cost per client: £300 (subcontractor fees, travel)

1. Calculate the contribution margin per client: £1,200 – £300 = £900
2. Calculate the contribution margin ratio: £900 / £1,200 = 0.75 (75%)
3. Apply the revenue formula: £36,000 / 0.75 = £48,000

Fresh Start Consulting needs to bring in £48,000 in revenue, or serve 40 clients per year, to break even.

How to use your break-even analysis

Calculating your break-even point is just the starting point. The real value comes from using it to guide your business decisions.

Here are practical ways to put your break-even analysis to work:

• Set clear sales targets: Translate your break-even point into monthly and weekly sales goals. This gives your team a concrete number to aim for, rather than an abstract revenue figure.
• Review your pricing: If your break-even point seems unrealistically high, your pricing might be too low. Use the analysis to test different price points and see how they affect the number of sales you need.
• Identify cost-cutting opportunities: Break-even analysis makes it obvious where costs are eating into your margins. You might find that renegotiating a supplier contract or reducing overheads makes a meaningful difference.
• Assess product or service performance: If you sell multiple products, calculate the break-even point for each one. This helps you spot which items are pulling their weight and which ones are dragging your business down.
• Plan for growth: Before hiring staff, moving to a bigger space, or investing in new equipment, run the numbers. A quick break-even calculation shows how the extra fixed costs will affect your targets.

Factors that affect your break-even point

Your break-even point isn't fixed. It shifts whenever your costs or pricing change. Understanding what moves it helps you stay in control.

Here are the main factors:

• Changes to fixed costs: If your rent goes up or you hire new staff, your fixed costs rise. This pushes your break-even point higher, meaning you need to sell more to cover the extra expense.
• Changes to variable costs: A rise in raw material prices or shipping fees increases your variable cost per unit. This shrinks your contribution margin and raises your break-even point.
• Changes to your selling price: Increasing your price widens your contribution margin, which lowers your break-even point. Dropping your price has the opposite effect.
• Changes to your product mix: If you sell several products with different margins, the overall mix affects your average contribution margin. Selling more of a low-margin product pushes your break-even point up, even if total sales look healthy. You can learn more about this in our guide on how to calculate a break-even point with multiple products.

Keeping a close eye on these factors means you can spot problems early and adjust before they become serious.

Advantages of break-even analysis

Break-even analysis is one of the most practical financial tools available to small business owners. Here are the key advantages of calculating your break-even point:

• It gives you a clear, measurable sales target to aim for
• It helps you set prices that actually cover your costs
• It shows whether a new product, service, or business idea is financially viable before you invest
• It highlights which costs have the biggest impact on your profitability
• It strengthens business plans and funding applications with solid financial evidence
• It provides a baseline for measuring actual performance against targets

The simplicity of break-even analysis is one of its greatest strengths. You don't need an accounting qualification to use it. With just a few numbers, you can gain a much clearer picture of your business's financial health.

Limitations of break-even analysis

While break-even analysis is a valuable tool, it has some important limitations to keep in mind.

Here are the main ones:

• It assumes costs are neatly split: In reality, some costs are semi-variable. Your electricity bill, for instance, has a fixed standing charge and a variable usage component. Break-even analysis requires you to classify every cost as either fixed or variable.
• It assumes a constant selling price: The formula works on the basis that your price stays the same for every unit. In practice, you might offer discounts, run promotions, or adjust prices seasonally.
• It doesn't account for market demand: Just because your break-even analysis says you need to sell 2,500 units doesn't mean the market will buy them. The calculation tells you what you need to sell, not whether you can.
• It's a snapshot, not a forecast: Break-even analysis shows you a static picture based on current numbers. It doesn't account for changes over time, seasonal fluctuations, or economic shifts.
• It ignores cash flow timing: You might technically be past your break-even point on paper, but if customers haven't paid their invoices yet, you could still face cash flow problems.

Treat break-even analysis as one tool in your decision-making toolkit, rather than the whole picture.

How to lower your break-even point

If your break-even point feels out of reach, there are practical steps you can take to bring it down.

Here are 3 approaches:

• Reduce your fixed costs: Look for ways to lower your overheads. This could mean negotiating a better deal on your office lease, switching to more affordable software, or reviewing insurance policies for savings. Every pound you cut from fixed costs directly lowers your break-even point.
• Lower your variable costs per unit: Shop around for cheaper suppliers, buy materials in bulk, or find more efficient production methods. Reducing the variable cost per unit increases your contribution margin, which means you need fewer sales to break even.
• Increase your selling price: Raising your price increases the contribution margin on each sale. Even a small price increase can have a big impact. If your product is priced at £30 with a £10 variable cost, increasing the price to £33 raises your contribution margin from £20 to £23, which is a 15% improvement.

The most effective approach is usually a combination of all 3. Small improvements across fixed costs, variable costs, and pricing can add up to a meaningful shift in your break-even point. Understanding your margin of safety can also help you see how much room you have before hitting break-even again.

Track your break-even point with Xero

Understanding your break-even point is easier when your financial data is accurate and up to date. Xero's accounting software helps you keep track of your income and expenses in real time, so you always have the numbers you need.

With clear financial reports at your fingertips, you can monitor your costs, track your revenue, and see how close you are to breaking even, all from one place.

Get one month free

FAQs on break-even points

Here are answers to some of the most frequently asked questions about break-even points.

What is a break-even point in simple terms?

The break-even point is the amount of sales your business needs to cover all its costs. At this point, you're not making a profit, but you're not losing money either. Any revenue above this amount is profit.

What is the break-even point formula?

The most common formula is: Fixed Costs / (Selling Price per Unit – Variable Cost per Unit). This gives you the number of units you need to sell to break even. For service businesses, you can use: Fixed Costs / Contribution Margin Ratio, which tells you the total revenue you need.

Why is break-even analysis important for small businesses?

Break-even analysis helps you set realistic prices, understand your costs, and plan for profitability. It gives you a clear sales target and helps you make informed decisions about spending, growth, and new products or services.

What are the limitations of break-even analysis?

Break-even analysis assumes that costs are neatly divided into fixed and variable, that selling prices remain constant, and that all units produced are sold. It doesn't account for market demand, cash flow timing, or changes over time. It's best used alongside other financial planning tools.

How can I lower my break-even point?

You can lower your break-even point by reducing fixed costs (for example, negotiating cheaper rent), lowering variable costs per unit (for example, finding more affordable suppliers), or increasing your selling price. A combination of all 3 approaches tends to be most effective.