What is the break-even point formula?

The break-even point in units = Fixed Costs ÷ (Selling Price per Unit − Variable Cost per Unit). The denominator is called the contribution margin per unit. For example, if fixed costs are $10,000, selling price is $50, and variable cost is $30, break-even = 10,000 ÷ 20 = 500 units.

What counts as a fixed cost vs a variable cost?

Fixed costs stay the same no matter how many units you produce or sell — examples include rent, salaries, insurance, and equipment leases. Variable costs change with each unit made or sold — examples include raw materials, packaging, shipping costs per item, and sales commissions.

What is contribution margin?

Contribution margin is the amount left from each sale after subtracting variable costs. It is the portion that goes toward covering fixed costs first, and then becomes profit. Contribution Margin per Unit = Selling Price − Variable Cost per Unit. Contribution Margin Ratio = Contribution Margin ÷ Selling Price × 100.

How do I use break-even analysis for pricing?

Break-even analysis helps you set a minimum viable price. If your fixed costs are high and variable costs per unit are close to your selling price, your break-even unit count will be very high — meaning you need to sell a lot before making any profit. Raising your price increases contribution margin and lowers the break-even point. Use the calculator to test different pricing scenarios.

What is the margin of safety?

Margin of safety is the gap between your actual (or expected) sales and your break-even sales. It tells you how much your sales can drop before you start losing money. Margin of Safety = Actual Sales − Break-Even Sales. A higher margin of safety means less risk. It can be expressed in units, revenue, or as a percentage.

Break-Even Calculator – Find Break-Even Point in Units, Revenue, and Contribution Margin

Break-Even Calculator

Enter your fixed costs, variable cost per unit, and selling price to instantly find out how many units you need to sell to cover costs — and when you start making profit.

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Total Fixed Costs ($)

Rent, salaries, insurance — costs that don't change with sales volume

Selling Price per Unit ($)

Variable Cost per Unit ($)

Materials, packaging, shipping per unit

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Target Sales Units (optional)

See profit or loss at a specific volume

Income Tax Rate (%)

Optional — shows after-tax profit

Unit Label

Current Monthly Sales (units)

Used to calculate margin of safety

Analysis Period

Your Break-Even Results

Fill in your fixed costs, selling price, and variable cost — then click Calculate to see your break-even point.

Break-Even Point

0 units

at $0.00 in revenue

Cost & Margin Breakdown

Contribution Margin / Unit —

Contribution Margin Ratio —

Break-Even Revenue —

Total Variable Cost at BE —

Profit at Target Volume —

After-Tax Profit (Target) —

Margin of Safety (Units) —

Margin of Safety (%) —

Cost vs Revenue Breakdown

Break-Even Line Chart

The Break-Even Formula Explained

The break-even formula is straightforward once you understand what goes into it:

Contribution Margin = Selling Price − Variable Cost per Unit
Break-Even Units = Fixed Costs ÷ Contribution Margin
Break-Even Revenue = Break-Even Units × Selling Price

Example: Fixed costs = $10,000. Selling price = $50. Variable cost = $30. Contribution margin = $20. Break-even = 10,000 ÷ 20 = 500 units or $25,000 in revenue.

Fixed vs Variable Cost Examples

Fixed Costs	Variable Costs
Rent / lease payments	Raw materials
Salaried employee pay	Packaging per unit
Insurance premiums	Shipping per order
Software subscriptions	Sales commissions
Equipment depreciation	Credit card fees per sale
Website / hosting costs	Labor per unit produced

If a cost changes when you produce or sell one more unit, it's variable. If it stays the same regardless of output, it's fixed.

How to Lower Your Break-Even Point

There are only three ways to lower your break-even point:

Raise your selling price — a higher price increases contribution margin, so you need fewer sales to cover fixed costs
Cut variable costs — cheaper materials or better supplier deals increase contribution margin per unit
Reduce fixed costs — lower rent, downsize staff, or cancel unused subscriptions to bring down the total fixed cost that needs covering

The most powerful lever is contribution margin. Even a small price increase or variable cost reduction can dramatically reduce your break-even unit count.

Who Uses Break-Even Analysis?

Break-even analysis is useful for almost every type of business decision:

Startups — figure out how much revenue you need before you can pay yourself or turn profitable
Product launches — decide if a new product is worth making at a given price point
Pricing decisions — test how different prices affect the volume you need to sell
Investor pitches — show investors when the business will stop burning money
Retail & restaurants — track how many covers, transactions, or tickets cover daily operating costs
Freelancers — find the minimum hourly rate or project value to cover monthly expenses

Frequently Asked Questions

The break-even point is the exact number of units you need to sell — or the exact amount of revenue you need to earn — so that your total income equals your total costs. At break-even, you make zero profit and zero loss. It matters because it tells you the minimum performance your business needs just to survive. Anything above break-even is profit. Anything below is a loss. Knowing this number helps you set realistic sales goals, price your products correctly, and plan for growth.

Contribution margin is the money left from each sale after subtracting only variable costs — it is the portion that "contributes" to covering fixed costs. Gross profit subtracts cost of goods sold (COGS), which may include some fixed manufacturing costs. For break-even analysis, contribution margin is more useful because it cleanly separates the cost behavior. A higher contribution margin means each unit you sell does more work toward covering your fixed expenses.

A very high break-even count usually means one of three things: your fixed costs are too high relative to your price, your variable cost per unit is too close to your selling price (leaving very little contribution margin), or your selling price is simply too low for the market. Try adjusting each input one at a time in the calculator to see which change has the biggest impact. Often, a modest price increase has a much bigger effect on break-even than cutting costs by the same dollar amount.

Yes. For a service business, treat each billable hour, project, or client as your "unit." Your selling price is the rate you charge per unit, and variable cost is any direct cost tied to delivering each unit — such as subcontractor pay, materials, or per-project software fees. Fixed costs remain your monthly overhead: rent, salaried staff, insurance, and subscriptions. The math works exactly the same.

Margin of safety is how far your actual sales are above the break-even point. It shows how much sales can drop before you start losing money. A higher margin of safety means more buffer against a slow season, a new competitor, or an unexpected cost increase. As a general rule, a margin of safety above 20–25% is considered healthy for most small businesses. Below 10% means you are operating very close to the edge and any sales decline could push you into a loss.

Standard break-even analysis works best for a single product or service. When you have multiple products, you can use a weighted average contribution margin — each product's contribution margin multiplied by its share of total sales — to get an overall break-even point for the business. For more precise multi-product analysis, calculate break-even separately for each product line or use a spreadsheet that weights each product's margin by its expected sales mix.

Break-Even Units by Fixed Cost & Contribution Margin

How many units you must sell to break even at different fixed cost levels and contribution margins per unit.

Fixed Costs	$5 CM per unit	$10 CM	$15 CM	$20 CM	$25 CM	$50 CM

CM = Contribution Margin per unit (Selling Price − Variable Cost). Formula: Break-Even Units = Fixed Costs ÷ CM.

Contribution Margin Ratio by Selling Price & Variable Cost

CM Ratio = (Selling Price − Variable Cost) ÷ Selling Price × 100. Higher ratios mean faster path to profit.

Selling Price	VC $5	VC $10	VC $15	VC $20	VC $30	VC $40

"VC" = Variable Cost per unit. A negative CM ratio means you lose money on every sale — your selling price is below variable cost.

Profit at Different Sales Volumes

Based on $10,000 fixed costs, $50 selling price, and $30 variable cost per unit (CM = $20).

Units Sold	Revenue	Variable Costs	Fixed Costs	Total Costs	Profit / Loss

Green values = profit (above break-even). Red values = loss (below break-even). Break-even is at 500 units in this example.

Break-Even Point at Different Price Points

How raising or lowering your selling price changes the number of units needed to break even (fixed costs = $10,000, variable cost = $20/unit).

Selling Price	Contribution Margin	CM Ratio	Break-Even Units	Break-Even Revenue	Units for $5K Profit

A higher price dramatically lowers break-even. Every $5 price increase reduces break-even units significantly at the same fixed cost level.

Typical Contribution Margins by Industry

A reference guide to average CM ratios across different business types. Higher CM = lower break-even as a share of revenue.

Industry / Business Type	Typical CM Ratio	What Drives Variable Costs	Fixed Cost Intensity	Break-Even Difficulty
💻 SaaS / Software	70–90%	Hosting, support staff	High (dev, sales)	High upfront, easy after
🏭 Manufacturing	20–40%	Materials, labor per unit	Very High	Moderate to hard
🛒 Retail	30–50%	Cost of goods sold	Moderate	Moderate
🍽️ Restaurants	60–70%	Food cost, kitchen labor	High (rent, staff)	Hard (high fixed cost)
🏗️ Construction	15–30%	Materials, subcontractors	Low to moderate	Moderate
💡 Consulting / Services	60–80%	Hourly labor if outsourced	Low to moderate	Easy once established
🛍️ E-commerce	30–55%	Product cost, fulfillment	Low (lean model)	Easy to reach, hard to grow
🏥 Healthcare / Clinics	40–60%	Supplies, per-visit staff	High (equipment)	Hard (capital intensive)
📚 Education / Online Courses	75–90%	Platform fees, content updates	Moderate	Easy if existing audience
🚗 Auto Services	40–60%	Parts, mechanic time	Moderate (tools, rent)	Moderate

These are general averages. Actual margins vary widely by business model, size, and pricing strategy. Always use your own numbers for planning.

Margin of Safety at Different Sales Levels

Based on break-even of 500 units ($10,000 fixed costs, $20 CM). Shows safety buffer at higher sales volumes.

Actual Units Sold	Break-Even Units	Safety Buffer (Units)	Margin of Safety %	Profit	Risk Level

Margin of Safety % = (Actual − Break-Even) ÷ Actual × 100. A value above 25% is generally considered safe for most small businesses.