Before you can make a profit, you have to break even. The break-even point is the exact moment when your total revenue equals your total costs — the line between losing money and making it. Every business decision, from pricing to hiring to opening a second location, should reference this number.
This guide explains how to calculate your break-even point, how to use it to make smarter pricing and cost decisions, and why the formula matters whether you're running a café, a consulting business, or a product startup.
Try it yourself: Use our free Break-Even Calculator to find your break-even units, revenue, and see how changes in price or costs affect your bottom line.
What Is a Break-Even Point?
The break-even point (BEP) is the volume of sales — in units or revenue — at which your total revenue exactly covers your total costs, resulting in neither profit nor loss. Below this point, you're making a loss. Above it, you're generating profit.
To calculate break-even, you need to understand three core concepts:
- Fixed costs: Costs that don't change with the volume you produce or sell (rent, salaries, software subscriptions, insurance, loan repayments)
- Variable costs: Costs that change directly with volume (raw materials, packaging, payment processing fees, sales commissions, direct labour per unit)
- Contribution margin: The amount each unit sold contributes toward covering fixed costs, after variable costs are deducted
The Break-Even Formula
Break-Even Units = Fixed Costs ÷ (Selling Price − Variable Cost per Unit)
Break-Even Revenue = Fixed Costs ÷ Contribution Margin Ratio
Contribution Margin per Unit = Selling Price − Variable Cost per Unit
Contribution Margin Ratio = Contribution Margin ÷ Selling Price
Worked Example: Coffee Shop
Scenario: You run a small café. Your numbers are:
- Monthly fixed costs: $12,000 (rent $5,000 + wages $5,500 + utilities + insurance $1,500)
- Average selling price per transaction: $12
- Average variable cost per transaction: $4 (coffee beans, milk, packaging, card fees)
Contribution margin per transaction: $12 − $4 = $8
Contribution margin ratio: $8 ÷ $12 = 66.7%
Break-even transactions per month: $12,000 ÷ $8 = 1,500 transactions
Break-even revenue: 1,500 × $12 = $18,000 per month
You need 1,500 sales per month — or about 50 transactions per day — just to cover your costs. Every sale beyond that is profit.
Worked Example: Consulting Business
Scenario: A freelance consultant charges $200/hour. Monthly fixed costs are $3,500 (home office, software, accounting, professional development). Variable costs are minimal — $5 per hour (cloud usage, minor supplies).
Contribution margin per hour: $200 − $5 = $195
Break-even hours per month: $3,500 ÷ $195 = 17.9 hours (≈ 18 billable hours)
This consultant only needs to bill 18 hours a month to break even — less than one working week. Everything above that is profit.
Using Break-Even for Pricing Decisions
The break-even formula is most powerful as a decision-making tool. What happens to your break-even point if you change your price?
| Selling Price | Contribution Margin | Break-Even Units | Break-Even Revenue |
|---|---|---|---|
| $10 | $6 | 2,000 | $20,000 |
| $12 | $8 | 1,500 | $18,000 |
| $15 | $11 | 1,091 | $16,364 |
| $18 | $14 | 857 | $15,429 |
Fixed costs = $12,000, Variable cost per unit = $4
Raising the price from $10 to $15 reduces the break-even volume by nearly half — from 2,000 to 1,091 units. This is why pricing strategy is one of the highest-leverage decisions in any business. A small price increase dramatically reduces the sales volume you need to reach profitability.
Break-Even and Margin of Safety
Once you know your break-even point, you can calculate your margin of safety — how far above break-even your current or projected sales are. This tells you how much a downturn can affect you before you start losing money.
Margin of Safety = (Actual Sales − Break-Even Sales) ÷ Actual Sales × 100
If you're doing $25,000 in monthly revenue and your break-even is $18,000:
Margin of Safety = ($25,000 − $18,000) ÷ $25,000 × 100 = 28%
You could absorb a 28% revenue decline before making a loss.
Common Mistakes in Break-Even Analysis
- Misclassifying costs: Semi-variable costs (like utilities or casual labour) are tricky. Be conservative and assign them to fixed costs if you're unsure.
- Ignoring owner's salary: If you're a sole trader not paying yourself a salary, your fixed costs are understated. Include an opportunity-cost salary in your fixed costs.
- Not accounting for tax: Break-even ignores tax. Your true break-even for cash purposes should account for the income tax you'll pay on profit above the break-even point.
- Using it as a static number: Break-even changes as your cost structure evolves. Recalculate it whenever you change pricing, add staff, or take on new overheads.
Frequently Asked Questions
What's the difference between break-even and profitability?
Break-even is the point of zero profit — revenue exactly equals costs. Profitability begins the moment you surpass break-even. Your target isn't to break even; it's to understand break-even so you can plan how far beyond it you need to reach your profit goals.
How do I calculate break-even if I sell multiple products?
Use a weighted average contribution margin. Calculate each product's contribution margin, then weight it by that product's share of total sales. Use the blended figure in the break-even formula. Alternatively, run a break-even analysis for each product separately.
What's a good break-even timeline for a new business?
There's no universal rule, but most business advisors want to see a viable path to break-even within 12–24 months for a small business. High-capital businesses (manufacturing, hospitality) may take longer. Online businesses with low fixed costs can reach break-even within months.
Does break-even account for debt repayments?
The standard break-even formula uses operating costs only and doesn't explicitly account for loan principal repayments (though interest is often included in fixed costs). For a more accurate cash-flow break-even, include your total debt service obligations in your fixed cost figure.
Find your break-even point
Use our Break-Even Calculator to model your fixed costs, variable costs, and selling price — and see exactly how many sales you need to reach profitability.
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