Break-Even Point and Improving Profits at the “Margin”

May 28, 2025
Written By Colin Napier

Key points

  • Break-even point shows the minimum revenue needed to cover all fixed and variable costs.

  • Small improvements in price, margin, or cost control can significantly boost profits.

  • Break-even analysis helps assess risk and financial feasibility of new projects or expansions.

  • Understanding your cost structure guides smarter goal-setting and strategic decision-making.

  The break-even point is used to determine how much revenue must be generated to cover all fixed and variable costs. It’s a vital indicator of your performance, as it reveals the minimum revenue you need to make to avoid losses. Before we start, it’s essential to understand the two main cost categories involved:
  • Fixed costs: These are expenses that remain constant regardless of sales levels, such as rent, overhead, salaries, and insurance.
  • Variable costs: Refers to any costs that fluctuate based on sales volume, including raw materials, delivery costs and direct labour.

Why is the break-even point important?

  • Profitability analysis: It shows how much revenue is required to start generating profit.
  • Risk assessment: Allows you to evaluate the financial feasibility of projects or expansions.
  • Economics: When an industry is profitable, it attracts new entrants, which will generally put downward pressure on pricing. Businesses with the lowest break-even points put themselves in the best position to survive this kind of industry ‘rationalisation’. In this scenario, understanding your break-even point – and trying to reduce it – can be key to your survival.

WA market insight

In Western Australia, it’s common for mining companies to aim to be in the bottom quartile for cost structures. This gives them a low break-even point, which enables them to survive the inevitable fluctuations that occur in the pricing of their mineral.

How to calculate your break-even point

The most commonly used break-even point formula is as follows:
  • BEP (in units): Fixed costs / (Selling price per product – Variable cost per unit)
  • BEP (in revenue): Fixed costs / Gross margin ratio
Here:
  • Contribution margin: (Selling price per unit – Variable cost per unit)
  • Contribution margin Ratio: Contribution margin / Selling price per unit

Let’s look at an example

Assumptions

If you sell one product for $400 each, which costs you $240 to produce/ship/etc, your gross profit margin on each item is 40 per cent ($160/$400). While your fixed costs are $300k per annum. The breakeven point becomes $300,000/(40 per cent), which equates to 1,875 products sold, or a total revenue of $750k. The break-even graph, also known as the cost-volume-profit (CVP) chart, visually represents the relationship between costs, revenue and volume. The point where the total cost line intersects the total revenue line denotes the break-even point, as outlined below. To the left of the break-even point, the business is incurring losses, and to the right, it is profitable.

Limitations

It’s worth noting that the core assumptions don’t hold across infinite revenue levels. As you would expect, fixed costs will indeed change at various revenue levels. If your business triples, you are unlikely to be able to maintain the same fixed cost structure! However, if your business does triple in size, you might also gain pricing concessions from your suppliers, which will improve your margin.

The power of small incremental improvements

Now, let’s take this one step further to consider the above example if the revenue is $1m. At that level, the gross profit of 40 per cent becomes $400k less the fixed costs of $300k, leaving a net profit of $100k. If we can:
  • Increase the selling price by 2 per cent
  • Improve the gross profit margin from 40 per cent to 42 per cent
  • Save 2 per cent on the fixed costs
The profit now becomes sales of $1.020m less the variable costs of $591.6k, and the fixed costs of $294k. This gives us a net profit of $134.4k, which highlights how small changes – in this case, of just 2 per cent in a few places – have increased the net profit by a whopping 34.4 per cent.

To wrap up

Knowing your break-even point helps take the guesswork out of financial planning, which is particularly important when you’re weighing up a new product or business venture. By understanding the relationship between revenue, variable costs and fixed costs, you’re able to set realistic goals and adjust operations and strategies accordingly. So, whether you run a business or lead one, using break-even analysis to guide your decisions can make a real difference in setting yourself up for long-term success. Read more on our other blogs:

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