You may sell ₦300,000 worth of products in a month and feel that business is moving well. But after paying for stock, rent, electricity, transportation, staff, packaging, marketing, and other expenses, how much is actually left?
This is where the break-even point becomes important.
Your break-even point tells you how much your business needs to sell before it has covered its costs. At that point, the business has made neither a profit nor a loss. The U.S. Small Business Administration defines break-even as the point where total revenue and total costs are equal.
For a small business owner, knowing this number can turn a vague sales target into something measurable.
The Problem
Many business owners set sales targets without knowing what those targets actually mean.
Someone may say:
“I want to make ₦500,000 in sales this month.”
But why ₦500,000?
Will ₦500,000 cover the cost of the products? What about rent? Electricity? Staff? Delivery? Packaging? Marketing? Other operating expenses?
Without answering these questions, a sales target may simply be a number chosen because it sounds good.
The bigger problem is that sales are not the same as profit.
A business needs to cover its costs before it can truly say it is profitable. If the business consistently sells below the level required to cover those costs, it can remain busy while still losing money.
This is why understanding your break-even point matters.
A Realistic Example
Imagine a small Nigerian business selling liquid soap.
The business sells each bottle for ₦2,000.
The cost directly associated with producing and selling one bottle—including materials and packaging—is ₦1,200.
That leaves:
₦2,000 − ₦1,200 = ₦800
The ₦800 is the amount each bottle contributes toward covering the business's fixed costs.
Now suppose the business has monthly fixed costs of ₦160,000.
These could include expenses such as rent, a fixed staff payment, software subscriptions, or other costs that do not directly increase with every bottle sold.
The business therefore needs:
₦160,000 ÷ ₦800 = 200 bottles
So the break-even point is 200 bottles per month.
At 200 bottles, the business has covered the costs included in this calculation.
If it sells fewer than 200 bottles, it has not generated enough contribution to cover those fixed costs.
If it sells more than 200 bottles, the additional contribution can begin contributing to profit, assuming the assumptions used in the calculation remain accurate.
This is the power of a break-even calculation: instead of simply saying “I need more sales,” the owner can say “I need to sell at least 200 bottles this month to reach my break-even point.”
The Impact
Knowing your break-even point can change the way you think about your business.
It can help you answer important questions.
How many products do I need to sell each month?
You can turn your monthly costs into a specific sales quantity.
Is my selling price realistic?
If your selling price leaves very little contribution after variable costs, you may need to examine your pricing and cost structure.
Is my sales target realistic?
A target of ₦500,000 sounds different when you know that your business needs ₦420,000 just to cover its costs.
Can the business afford another expense?
Before adding a new employee, renting a larger shop, buying equipment, or increasing marketing expenditure, you can examine how that decision may affect your break-even point.
How much room does the business have before it starts losing money?
This helps you understand the difference between simply making sales and having enough sales to support the business.
Break-even analysis is also useful when planning a new business because it can help you test whether expected sales can realistically cover expected costs.
How to Calculate Your Break-Even Point
The basic formula is:
Break-Even Point = Fixed Costs ÷ (Selling Price per Unit − Variable Cost per Unit)
The part inside the brackets is called the contribution margin per unit. The U.S. Small Business Administration uses the same basic formula for calculating break-even units.
Let's break it down.
1. Identify your fixed costs
These are costs that generally remain relatively stable within a particular period or operating range.
Examples can include:
Rent
Fixed salaries
Insurance
Certain software subscriptions
Loan interest
Other regular business overheads
2. Identify your variable cost per unit
These costs change as the number of products or services sold changes.
For a product business, this might include:
Product materials
Packaging
Production costs
Per-unit delivery costs
Sales commissions
Some expenses can have both fixed and variable components, so they may need to be separated when performing a more detailed analysis.
3. Know your selling price
You need to know how much customers actually pay for each unit.
4. Calculate the contribution margin
Selling price minus variable cost gives you the contribution margin per unit.
5. Divide your fixed costs by the contribution margin
The result tells you approximately how many units you need to sell to reach break-even under the assumptions used.
What Happens If Your Costs Increase?
This is where break-even analysis becomes particularly useful.
Imagine our liquid soap business has a selling price of ₦2,000, but the cost of producing each bottle rises from ₦1,200 to ₦1,500.
The contribution per bottle falls from ₦800 to ₦500.
The fixed costs are still ₦160,000.
Now:
₦160,000 ÷ ₦500 = 320 bottles
The business now needs to sell 320 bottles instead of 200 to break even.
Nothing about the business's monthly rent changed.
The major change was the cost attached to each product.
This shows why a business owner should not look at sales alone. Changes in product costs can significantly change how much the business needs to sell.
What Happens If You Increase Your Price?
Now imagine the business keeps its variable cost at ₦1,200 but increases the selling price from ₦2,000 to ₦2,200.
The contribution becomes:
₦2,200 − ₦1,200 = ₦1,000
With fixed costs of ₦160,000:
₦160,000 ÷ ₦1,000 = 160 bottles
The break-even quantity falls from 200 bottles to 160 bottles.
However, this does not mean every business should simply increase its prices.
Customers, competitors, demand, perceived value, and the effect of price changes on sales volume also matter.
The calculation simply shows what happens to the break-even point when one of the underlying numbers changes.
Break-Even Point Is Not the Same as Profit
This is an important distinction.
If your break-even point is 200 units, selling exactly 200 units does not mean you made a profit.
It means the revenue and costs covered by the calculation are approximately balanced.
The business reaches the zero-profit, zero-loss point.
Profit comes after the business moves beyond that point, assuming the underlying assumptions remain valid.
This is why a business owner should not set the break-even point as the final goal.
It should be the starting line for profitability.
Don't Calculate Break-Even With Bad Numbers
A break-even calculation is only as useful as the information going into it.
If you forget important expenses, use an unrealistic selling price, underestimate product costs, or mix monthly and yearly figures, the result can give you a misleading picture.
For example, if your fixed costs are monthly but your variable costs are based on annual figures, the calculation will not give you a meaningful monthly target.
Your figures need to relate to the same period.
This is why proper business records matter.
You need reliable information about:
Sales
Product costs
Expenses
Pricing
Inventory
Staff costs
Other operating costs
Without reliable records, even a simple financial calculation can become guesswork.
Practical Solutions
Start by calculating your break-even point for your main product or service.
Write down your monthly fixed costs.
Then determine the variable cost associated with one unit of the product or service.
Record the actual selling price.
Calculate the contribution margin.
Finally, divide your fixed costs by that contribution margin.
Do not stop there.
Review the number regularly.
If your supplier increases prices, your variable cost may change.
If your rent increases, your fixed costs may change.
If you change your selling price, your contribution margin changes.
If you introduce another product, your sales mix may change.
Your break-even point is therefore not a number you calculate once and forget.
It should change when the underlying business numbers change.
You can also use it when making decisions.
Before reducing your price, ask:
“How many additional units will I need to sell to compensate for the lower margin?”
Before increasing your expenses, ask:
“How much additional sales will this expense require before I recover the cost?”
Before launching a product, ask:
“How many units must I sell before this product covers its costs?”
These questions move you from simply running the business to actually understanding it.
A Question for You
Do you know the exact amount your business needs to sell every month before it starts making a profit?
If you don't, what makes it difficult for you to calculate it—knowing your expenses, knowing your product costs, setting the right price, or keeping proper records?
Share your thoughts in the comments. Another business owner may be facing the same problem.
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