What's contribution margin?

Selling price minus variable cost — what each unit contributes toward fixed costs.

Fixed vs variable cost?

Fixed costs don't change with sales volume (rent); variable costs are per-unit (materials).

The business can never break even — you must raise price or cut cost.

No, it's a planning tool. Success depends on demand, execution, and marketing.

No, the calculation is entirely local.

How many units do you need to sell to cover your costs?

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Last updated: 2026-05-16

This calculator uses generic assumptions. Use advanced mode to override them for a more accurate result.

Source: default

Break-even units = Fixed / (Price − Variable)

What's contribution margin?: Selling price minus variable cost — what each unit contributes toward fixed costs.
Fixed vs variable cost?: Fixed costs don't change with sales volume (rent); variable costs are per-unit (materials).
What if my price is below variable cost?: The business can never break even — you must raise price or cut cost.
Does the result guarantee success?: No, it's a planning tool. Success depends on demand, execution, and marketing.
Do you store my data?: No, the calculation is entirely local.

Results are estimates and not professional advice. Verify important decisions with a qualified professional.