How do you calculate break-even point?

Break-Even Units = Fixed Costs ÷ (Selling Price − Variable Cost per Unit). The denominator is the contribution margin — how much each unit sold contributes toward covering fixed costs.

What is contribution margin?

Contribution margin = Selling Price − Variable Cost per Unit. It represents how much each unit sold contributes toward covering fixed costs and generating profit. A higher contribution margin means you break even faster.

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Break-Even Calculator

Find the exact number of units and revenue needed to cover all your fixed and variable costs. Visualize your break-even point with margin of safety analysis.

Currency

Cost Structure

Fixed Costs (Monthly)

Rent, salaries, subscriptions

Variable Cost / Unit

Materials, packaging, shipping

Selling Price / Unit

Revenue per unit sold

Expected Units (Monthly)

Your monthly sales forecast

Break-Even Analysis

Break-Even Units

250

units per month

Break-Even Revenue

$8,750.00

Contribution Margin

$20.00

57.1% margin %

Margin of Safety

50 units

16.7% buffer

Profit at Expected Volume (300 units)

$1,000.00

Revenue vs Cost Chart

What is Break-Even Point?

The break-even point is the sales volume at which total revenue equals total costs — you make exactly zero profit or loss. Knowing your break-even point is fundamental to pricing decisions, launch planning, and understanding the minimum viable scale of your business.

Below the break-even point, you operate at a loss. Above it, every additional unit sold generates profit equal to the contribution margin.

Break-Even Formula

Contribution Margin = Selling Price − Variable CostBreak-Even Units = Fixed Costs ÷ Contribution MarginBreak-Even Revenue = Break-Even Units × Selling PriceMargin of Safety = Expected Units − Break-Even Units

Fixed Costs vs Variable Costs

Fixed costs don't change with sales volume: rent, salaries, insurance, software subscriptions, loan repayments. These must be covered regardless of how many units you sell.

Variable costs scale directly with each unit sold: raw materials, packaging, shipping, payment processing fees, sales commissions. They rise and fall with production and sales volume.

How to Use Break-Even Analysis

Launch planning: Before launching a product, calculate how many units you must sell monthly to cover costs. Compare against your realistic sales forecast.
Pricing decisions: A higher price increases contribution margin and lowers break-even point. A lower price does the opposite. Use the chart to see the impact instantly.
Scenario planning: What happens if marketing spend increases by 20%? How many extra units must you sell? The margin of safety tells you how much cushion you have.
Cost optimization: Reducing fixed costs (e.g., renegotiating rent) directly lowers your break-even point without changing prices.

Frequently Asked Questions

What is the break-even point?

The break-even point is the units sold (or revenue generated) where total costs equal total revenue — you make zero profit or loss. Above this point every unit adds profit; below it you operate at a loss.

How do you calculate break-even?

Break-Even Units = Fixed Costs ÷ (Selling Price − Variable Cost per Unit). The denominator is contribution margin — how much each sale contributes toward covering fixed costs.

What is a good contribution margin?

There is no universal benchmark, but higher is better. Software businesses often have 70–80% contribution margins. Physical product ecommerce typically 40–60%. Service businesses 50–70%. A margin below 20% makes it very hard to cover fixed costs at realistic volumes.

What is margin of safety?

Margin of safety = Expected Sales − Break-Even Sales. It measures how much your sales can fall before you start losing money. A margin of safety of 30% means sales would have to drop 30% before you hit break-even.