How to Calculate Break-Even Point for a Small Business

If you run a small business, you need to know your break-even point.

That's the sales level where revenue covers costs. Below it, you lose money. Above it, sales start contributing to profit.

Use the Break-Even Calculator to quickly estimate how many units or how much revenue you need to cover costs.

What break-even point means in plain English

Break-even point is the minimum sales target required to avoid losing money on an offer or business line.

It gives you a concrete number instead of a vague goal like "we need more sales." If your shop needs 300 orders per month to cover rent, payroll, software, and fulfillment, then 300 orders is the threshold you need to hit before profit starts.

That makes break-even analysis useful for pricing, budgeting, and planning growth.

Break-even formula explained step by step

The main formula is:

Break-even point in units = Fixed Costs ÷ Contribution Margin per Unit

And contribution margin per unit is:

Selling Price per Unit - Variable Cost per Unit

The contribution margin matters because each sale only helps your business by the amount left after variable costs are paid.

How to calculate break-even point in units

Use this four-step process:

1. Add up fixed costs

Use one time period consistently, usually monthly. Include costs like rent, insurance, software, bookkeeping, salaried support, and equipment payments.

2. Calculate variable cost per unit

This includes costs that rise with each sale, such as materials, packaging, merchant fees, and fulfillment.

3. Find contribution margin per unit

Subtract variable cost per unit from selling price.

4. Divide fixed costs by contribution margin

That gives you the number of units you need to sell to break even.

If you want a faster answer, use the break-even calculator instead of running the math manually.

How to calculate break-even point in sales dollars

If you care more about revenue than units, use this formula:

Break-even sales dollars = Fixed Costs ÷ Contribution Margin Ratio

Contribution margin ratio is:

(Selling Price - Variable Cost) ÷ Selling Price

Example:

• Selling price: $40
• Variable cost: $18
• Contribution margin: $22
• Contribution margin ratio: $22 ÷ $40 = 0.55

If fixed costs are $6,600 per month:

• Break-even sales dollars = $6,600 ÷ 0.55 = $12,000

That means the business needs $12,000 in monthly sales to cover costs.

Worked example for a U.S. small business

Let's use a realistic example: a small U.S. candle business selling online and at local pop-up markets.

Assumptions:

• Monthly fixed costs: $4,850
• Selling price per candle: $28
• Variable cost per candle: $11.50

That variable cost includes materials, packaging, card processing, and average fulfillment expense.

Step 1: Find contribution margin per unit

$28 - $11.50 = $16.50

Step 2: Calculate break-even units

$4,850 ÷ $16.50 = 293.94

Round up to 294 candles per month.

Step 3: Calculate break-even sales dollars

Contribution margin ratio:

$16.50 ÷ $28 = 0.5893

Break-even sales revenue:

$4,850 ÷ 0.5893 = $8,230.10

So this business needs about 294 candles sold or $8,230 in monthly revenue to break even.

This is where break-even becomes useful. If the owner is currently selling 220 candles a month, the gap is 74 units. That number can guide pricing changes, promotions, or cost cuts.

It also helps before taking on debt or hiring. If a new loan payment or part-time employee adds fixed overhead, your break-even point rises immediately.

Once you know your break-even point, check whether your pricing leaves enough room for real profit with the Profit Margin Calculator.

How break-even differs from profit margin and markup

Break-even, profit margin, and markup answer different questions.

• Break-even point: How much do you need to sell to cover costs?
• Profit margin: How much profit do you keep from revenue?
• Markup: How much do you add to cost to set a price?

If you want to compare pricing logic, use the Markup Calculator and read the markup guide.

If you want to evaluate profitability, use the Profit Margin Calculator and this profit margin guide.

If timing is the issue, not just profitability, review the cash flow calculator and this cash flow management guide. For investment decisions, the ROI Calculator can help. You can also browse the full business calculators hub.

Common mistakes in break-even analysis

Mixing fixed and variable costs

Shipping, materials, and payment fees usually belong in variable costs, not overhead.

Using inconsistent time periods

If fixed costs are monthly, your sales target should also be monthly.

Ignoring channel differences

Shopify, Amazon, wholesale, and in-person sales can have very different margins.

Treating break-even as the goal

Breaking even is the floor. You still need enough margin to pay yourself, absorb slow months, and reinvest.

FAQ

What is the formula for break-even point?

Break-even point in units equals fixed costs divided by contribution margin per unit. Contribution margin per unit equals selling price minus variable cost per unit.

How do you calculate break-even point in units?

Add up fixed costs, subtract variable cost per unit from selling price, and divide fixed costs by that contribution margin.

How do you calculate break-even point in sales dollars?

Divide fixed costs by the contribution margin ratio, which is contribution margin per unit divided by selling price.

What costs should be included in a break-even analysis?

Include fixed costs such as rent, insurance, software, admin payroll, and equipment payments. Include variable costs such as materials, packaging, shipping, card fees, and sales commissions.

What is a good break-even point for a small business?

A good break-even point is one your business can realistically reach with consistent demand and enough room left over for profit. Lower is generally safer because it reduces risk.

If you want the fastest answer, use the Break-Even Calculator to estimate your break-even point in units and sales dollars.