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Break-Even Calculator
with Units, Revenue, Margin of Safety and Profit Target

Calculate break-even units, break-even revenue, contribution margin, margin of safety, and target-profit sales. Built for business planning, pricing analysis, and operating leverage decisions.

Currency
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Break-Even Calculator
Mode A: Break-Even Units
$
Revenue earned from each unit sold.
$
Direct cost that moves with each unit sold.
$
Costs that do not change with short-term volume.
Mode B: Break-Even Revenue
$
Revenue earned from each unit sold.
$
Direct cost that moves with volume.
$
Fixed operating cost base.
Mode C: Units and Revenue for Target Profit
$
Revenue per unit sold.
$
Direct variable cost per unit.
$
Fixed cost base before profit.
$
Desired operating profit target.
type
A wording switch only. Formula remains operating-profit based.
Mode D: Margin of Safety
$
Revenue per unit sold.
$
Direct variable cost per unit.
$
Fixed cost base.
qty
Used to measure how far above break-even you are.
view
Affects wording only, not core logic.
Mode E: Price and Cost Sensitivity
$
Base selling price.
$
Base variable cost per unit.
$
Fixed operating cost base.
Method note
Break-even is reached when total contribution exactly covers fixed costs. Contribution per unit equals selling price minus variable cost per unit. The smaller that contribution spread becomes, the harder it is to reach profitability.
Primary Result
—
mode-specific break-even output
Break-Even Units
—
units required to cover fixed costs
Break-Even Revenue
—
revenue needed to reach zero profit
Contribution Per Unit
—
price minus variable cost
Contribution Margin
—
contribution as a share of selling price
Target Profit Units
—
units required for target-profit view
Margin of Safety
—
distance above break-even
Current / Expected Profit
—
profit at the modeled sales level
Revenue and Contribution Side
Selling price—
Revenue—
Contribution per unit—
Contribution margin—
Cost and Risk Side
Variable cost per unit—
Fixed costs—
Break-even threshold—
Operating room above break-even—
Commercial interpretation: Waiting for calculation.
Full Breakdown
Selling price per unit—
Variable cost per unit—
Contribution per unit—
Contribution margin %—
Fixed costs—
Break-even units—
Break-even revenue—
Target profit requirement—
Margin of safety—
Profit at current volume—
Scenario Analysis
Break-Even Comparison Chart
Revenue / Sales
Fixed cost base
Contribution
Profit / safety metric
Break-even analysis assumes variable cost and selling price behave consistently within the modeled range. In real operations, discounts, volume tiers, channel fees, waste, and step-fixed costs can change the threshold.
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📌 What this covers

Break-even units and revenue
Contribution margin analysis
Target-profit sales requirement
Margin of safety measurement
Price and cost sensitivity

Related Calculators

Profit Margin Calculator→ Markup vs Margin Calculator→ ROI Calculator→ Unit Price Calculator→ Discount Calculator→

Related Guides

How Break-Even Analysis Works→ Contribution Margin Explained→ Margin of Safety Explained→

How break-even analysis works

Break-even analysis finds the sales level where total contribution exactly covers fixed costs. At that point profit is zero. Below that level the business loses money. Above it the business starts generating operating profit.

The key driver is contribution per unit, which is selling price minus variable cost per unit.

The core formulas

Contribution Per Unit = Selling Price − Variable Cost Per Unit
Contribution Margin % = Contribution Per Unit ÷ Selling Price × 100
Break-Even Units = Fixed Costs ÷ Contribution Per Unit
Break-Even Revenue = Fixed Costs ÷ Contribution Margin Ratio
Contribution margin ratio is contribution margin expressed as a decimal. A low contribution margin means you need much more sales volume to break even.

Why contribution margin matters

Two businesses can have the same revenue and the same fixed costs, but completely different break-even points if their variable costs differ. That is why contribution margin is one of the most important operating metrics in pricing, product mix, and business model design.

Metric What It Measures Why It Matters
Contribution per unitProfit available to cover fixed costsDetermines how quickly each sale pushes you toward profitability
Contribution margin %Contribution as a share of priceShows the efficiency of revenue after variable cost
Break-even unitsVolume needed to hit zero profitCore threshold for planning and risk control
Margin of safetyDistance above break-evenShows how much sales can fall before losses begin

Target profit and margin of safety

Break-even tells you when losses stop. Target-profit analysis tells you how much more you need beyond that point to generate the operating result you actually want. Margin of safety measures how much room exists between expected sales and the break-even threshold.

Price and cost sensitivity

Small changes in price or variable cost can move the break-even point sharply. If contribution per unit is already thin, even a small discount or cost increase can require much more sales volume to stay profitable.

Frequently Asked Questions

What is break-even?+
Break-even is the point where total contribution covers all fixed costs, leaving zero profit and zero loss. It is the threshold between losing money and making money.
What is contribution margin?+
Contribution margin is the portion of selling price left after subtracting variable cost. It is the amount each sale contributes toward fixed costs and then profit.
What is margin of safety?+
Margin of safety measures how far actual or expected sales sit above break-even. A larger margin of safety means more protection before the business slips into loss.
Why does a small cost increase move break-even so much?+
Because a cost increase reduces contribution per unit. If each unit contributes less toward fixed costs, you need more units to cover the same fixed cost base.
Can I use break-even for target profit planning?+
Yes. Once you know the break-even point, you can add the desired target profit to fixed costs and divide by contribution per unit to find the volume needed for that profit level.