Break-Even Calculator

Calculate how many units you need to sell to cover your costs.

Break-even unitsContribution marginUpdated May 2026

Business inputs

Enter costs, pricing, and expected sales to estimate break-even performance.

Currency

Costs that usually stay the same regardless of sales volume.

Revenue earned from each unit sold.

Cost that changes with each unit sold.

Optional profit goal above break-even.

Used to estimate profit and margin of safety.

Break-even units

334 units

Units needed to cover total fixed costs.

Break-even revenue

£16,700.00

Sales revenue needed to reach zero profit.

Contribution margin

£30.00

Selling price minus variable cost per unit.

Margin ratio

60.0%

Contribution margin as a percentage of price.

Units for target profit

500 units

Units needed to reach £5,000.00 target profit.

Revenue for target profit

£25,000.00

Sales revenue needed for the target profit.

Expected profit

£5,000.00

Based on 500 expected units sold.

Margin of safety

33.2%

166 units above break-even.

Break-even units rise quickly when contribution margin is thin.
Updated May 2026Formula verifiedReviewed for accuracy

Support

Business support layer

Formula based

Uses standard break-even formulas based on fixed costs, selling price, and variable cost.

Estimate only

Results are planning estimates and do not include taxes, financing costs, refunds, discounts, or demand limits.

Decision focused

Use break-even analysis to test pricing, cost structure, sales targets, and profit goals.

Interpretation

What these break-even results mean

Break-even sales volume

You need to sell about 334 units to cover £10,000.00 in fixed costs.

Revenue target

Your break-even revenue is approximately £16,700.00 based on the current price and cost inputs.

Profit after break-even

After break-even, each additional unit contributes about £30.00 toward profit before other costs.

Expected sales status

At 500 expected units, the scenario is currently marked as profitable.

Break-even basics

How break-even analysis works

Fixed costs

Fixed costs are expenses that usually do not change with sales volume, such as rent, salaries, software, and insurance.

Variable costs

Variable costs rise with each unit sold, such as materials, packaging, shipping, and transaction fees.

Selling price

Selling price is the revenue earned per unit before subtracting variable cost.

Break-even point

Break-even happens when total revenue equals total costs, meaning profit is zero.

Cost structure

Fixed costs vs variable costs

Fixed costs

£10,000.00

Fixed costs must be covered regardless of sales volume. Lower fixed costs reduce the number of units needed to break even.

Variable cost per unit

£20.00

Variable cost reduces the contribution margin from each sale. Lower variable costs improve profitability per unit.

Pricing

Contribution margin and pricing power

Contribution margin

Contribution margin is the amount each sale contributes after variable cost is paid.

Margin ratio

Margin ratio shows the percentage of each sale available to cover fixed costs and profit.

Break-even risk

A low margin means you need more sales to cover fixed costs, which can increase business risk.

Use cases

Common break-even analysis use cases

Launching a product

Estimate how many units must sell before a new product covers its costs.

Testing pricing

Compare how different prices affect contribution margin and break-even volume.

Planning a service business

Estimate client volume needed to cover salaries, software, rent, and overhead.

Retail inventory

Estimate sales targets for stock, packaging, shipping, and store costs.

Startup planning

Understand how much revenue is needed before the business becomes self-sustaining.

Profit target planning

Estimate units and revenue needed above break-even to reach a profit goal.

Formula

Break-even formula explanation

Contribution margin

Contribution Margin = Selling Price − Variable Cost

Contribution margin shows how much each sale contributes toward fixed costs and profit.

Break-even units

Break-Even Units = Fixed Costs ÷ Contribution Margin

This is the number of units needed for revenue to equal total costs.

Break-even revenue

Break-Even Revenue = Break-Even Units × Selling Price

This is the sales revenue needed to reach zero profit.

Break-even analysis assumes a constant selling price, constant variable cost per unit, and fixed costs that do not change over the sales range. Real businesses may have discounts, refunds, taxes, financing costs, capacity limits, or changing cost structures.

FAQ

Break-even calculator questions

The break-even point is the sales level where revenue equals total costs. At that point, the business has no profit and no loss.