Business planning

Break-Even Calculator

Enter your fixed costs, price per unit and variable cost per unit to find how many units you must sell to break even.

  • Free
  • No sign-up
  • Updated for 2026

Costs & price

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Enter fixed costs, price and variable cost to see the break-even point.

Worked example

With these example inputs:

  • Fixed costs$10,000
  • Price per unit$50
  • Variable cost per unit$30

Break-even units: 500

  • Contribution margin / unit$20
  • Break-even revenue$25,000

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What this break-even calculator does

This calculator finds your break-even point. You enter your fixed and variable costs. You add the price you charge per unit. The tool then shows the point of no loss. It tells you how much you must sell. You can test different prices and costs. The result guides your pricing and planning.

What the break-even point is

The break-even point is where you cover all costs. At this point you make no profit. You also make no loss. Below it, you lose money. Above it, you start to earn profit. It is a key target for any business. It shows the sales you truly need.

Fixed costs explained

Fixed costs stay the same each month. They do not change with your sales. Rent and salaries are common examples. Insurance and software also count. You pay them whether you sell or not. They form the base you must cover. The tool uses them in the calculation.

Variable costs explained

Variable costs rise with each sale. They depend on how much you produce. Materials and packaging are examples. Shipping per item also counts. More sales mean more variable cost. They are tied directly to each unit. They shape the profit on every sale.

The contribution margin

The contribution margin is price minus variable cost. It is what each sale adds toward fixed costs. A higher margin reaches break-even faster. A thin margin needs many more sales. It is the engine behind the calculation. Raising it lowers your break-even point. The tool uses it for you.

How the break-even is found

You divide fixed costs by the contribution margin. The result is the units you must sell. Sell that many and you cover everything. Each sale beyond it earns profit. The math is simple but powerful. It turns guesswork into a clear target. The calculator does the division for you.

Units versus revenue

You can view break-even two ways. One is the number of units to sell. The other is the revenue you must earn. Units suit a product business. Revenue suits a mix of offerings. Both point to the same break-even. The tool can show either figure.

How to use it

Enter your total fixed costs. Add the variable cost per unit. Then add the price you charge. Read the units needed to break even. Try raising the price and compare. Watch the break-even point drop. Use it to test a business idea.

Lowering your break-even point

You can lower break-even in three ways. Cut your fixed costs where you can. Reduce the variable cost per unit. Or raise your price if the market allows. Each move needs fewer sales to profit. Small changes can shift the point a lot. Aim for a break-even you can reach.

Common mistakes to avoid

A common mistake is underestimating fixed costs. A missed cost hides the true target. Another is ignoring variable costs per unit. Some set a price below their costs. Others forget that sales can be uneven. A wrong figure misleads your whole plan. A careful estimate avoids these traps.

A final tip

Use break-even to test before you commit. List every fixed and variable cost. Be honest about the price you can charge. Check that the target sales are realistic. Aim to lower the point where you can. Review it as your costs change. A reachable break-even is the goal.

Frequently asked questions

How is the break-even point calculated?

Divide fixed costs by the contribution margin, which is price minus variable cost. With $10,000 fixed costs and a $20 margin, you break even at 500 units.

What happens past break-even?

Every unit sold beyond the break-even point adds its full contribution margin to profit, since fixed costs are already covered.