ROI (Return on Investment) is the most fundamental metric for evaluating any business decision. Our calculator instantly shows your ROI percentage, net profit, and return per dollar invested — essential for comparing projects and justifying spending.
ROI Percentage:
Net Profit:
How to Use This Tool
Enter the total cost of your investment (costs, time, resources).
Enter the total return or gain the investment generated.
Click Calculate to see your ROI percentage and net profit.
A positive ROI means profit; negative means loss.
The Formula
ROI = (Net Profit / Investment Cost) x 100 where Net Profit = Gain - Investment. An ROI of 100% means you doubled your money. An ROI of -50% means you lost half.
Why It Matters
You invest $10,000 in equipment generating $3,500/year over 5 years. Total return is $17,500 for a 75% ROI. Compare against putting the $10,000 in an index fund averaging 8% annually.