Free · Browser-Based · Unit Economics

Break Even Calculator

Estimate the number of units and total sales revenue needed to break even using fixed cost, selling price, and variable cost assumptions.

Fixed costs

Selling price per unit

Variable cost per unit

Planned units sold (optional)

Break-even summary

🎯 Common Use Cases

Estimate minimum viable sales volume

Check contribution margin logic

Model margin of safety at planned sales

Review basic unit economics

What is break-even?

It is the point where total contribution equals fixed costs, so profit is zero.

Can I compare against planned units?

Yes. Enter planned units to estimate margin of safety versus break-even.

Is the calculation local?

Yes. All inputs stay in the browser.