Free Finance & Planning tool

Break-Even Calculator

Set a selling price, variable cost and fixed costs to see the minimum whole units needed to break even.

Your result

Use the example or enter your figures, then calculate.

Use the same time period for fixed costs and sales. Excludes tax and capacity constraints.

Contribution per unit = selling price − variable cost. Break-even units = fixed costs ÷ contribution per unit, rounded up.

A cost that rises with each sale, such as materials, payment fees or delivery.

A partial unit usually cannot be sold, so the result rounds to the next whole sale.

Estimate how many months your cash lasts using monthly revenue, costs and one-off spending.

Compare markup and gross margin, then work backwards from a target margin.

Compare customer lifetime gross profit with acquisition cost.

The public tool catalogue is free. For a custom website or workflow, tell us what you need.