Business ROI Calculator

Enter the amount you spent and the amount it returned to get your business ROI as a percentage and the net gain. Add a time period to see the annualized rate for comparing projects.

Read the guide: How to Calculate ROI with a Simple Formula and Example

Cost & return

Return on investment

100.00%

$2,000.00 net gain

Net gain
$2,000.00
Annualized ROI
100.00%

ROI = (gain − cost) ÷ cost. This measures whether a spend paid off. To compare investment growth over time (start to end value, CAGR), use the investment return calculator.

How it works

  1. 1

    Enter the cost

    Add the amount spent on the campaign, project or purchase.

  2. 2

    Enter the return

    Add the total amount it brought back (revenue or value), not just the profit.

  3. 3

    Read the ROI

    See the ROI %, the net gain, and optionally the annualized rate over the period.

Instant & 100% private — nothing is uploaded

Every calculation runs locally in your browser. The income, balances and goals you enter stay on your own device and are never sent to a server — nothing is stored, logged or shared.

Frequently asked questions

How do you calculate ROI?
ROI = (gain − cost) ÷ cost, as a percentage. Subtract spend from return, divide by spend, then multiply by 100. A $4,000 return on a $2,000 cost is a 100% ROI.
What is the difference between ROI and ROAS?
ROI = (gain − cost) ÷ cost and measures net profitability. ROAS = revenue ÷ ad cost and ignores costs beyond ad spend. A 4x ROAS can still be a poor ROI once product, labor and fees are counted.
What is annualized ROI?
It converts a total return into a per-year rate so projects of different lengths compare fairly. A 50% return over two years is about 22.5% a year, while 50% in six months is far higher annualized.
Looking at investment growth over time instead?
For start-to-end value and CAGR on a held investment, use the investment return calculator. This tool is built for business spend, like a campaign or a project, paying off.
Is this financial advice?
No. These are estimates to help you plan and compare options. Your real figures depend on your lender, taxes and personal situation, so check with a qualified professional before deciding.

Important

For information and planning only — not financial, tax or legal advice. These figures are estimates; rates, fees and rules vary, so confirm anything that affects a real decision with a qualified professional or the official source.

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