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BUSINESS TOOL

ROI, Profit Margin & Break-even Calculator

Check investment return, profit margin or the sales volume needed to cover fixed costs.

Return on investment25%Net return 2,500
HOW IT WORKS

The formula, made clear.

ROI = net return ÷ investment. Margin = profit ÷ revenue. Break-even units = fixed costs ÷ contribution per unit.

Business results are planning estimates and exclude tax, financing, timing and other costs unless included in your inputs.
PRACTICAL GUIDE

When to use this calculator

Switch between ROI, profit margin and break-even modes when assessing a campaign, product or small-business plan.

WORKED EXAMPLE

See the calculation in context

An investment of 10,000 that becomes 12,500 has a 2,500 net return and a 25% ROI.

COMMON QUESTIONS

Frequently asked questions

What is contribution per unit?

It is the selling price minus the variable cost for one unit.

Is margin the same as markup?

No. Margin divides profit by revenue, while markup divides profit by cost.

Should tax be included?

Use inputs that match the scope of your analysis and treat tax consistently.