Return on Investment (ROI) is a fundamental financial metric used to evaluate the efficiency or profitability of an investment. It measures the amount of return relative to the investment’s original cost, showing you exactly how hard your capital is working.

To calculate ROI, subtract the initial cost of the investment from the final value returned to find your net profit. Then, divide that net profit by the initial cost and multiply the result by 100 to get a clean percentage gain or loss.

While both track profitability, profit margin measures how much profit you keep out of your total sales revenue (never exceeding 100%). ROI measures the efficiency of your spent capital relative to its cost, meaning your ROI percentage can easily scale way past 100% or even 1,000%.

Yes. If the amount of money you get back is lower than the amount of money you originally put in, your net profit is negative. This results in a negative ROI percentage, highlighting a clear net financial loss on the venture.

A "good" ROI depends heavily on the asset class and industry. For general corporate investing, a annual return of 10% or more is considered strong. However, digital marketing and e-commerce campaigns often target an aggressive 400% to 500% ROI (a 4:1 or 5:1 return ratio).

The investment multiplier is a straightforward look at your cash return ratio, calculated by dividing the total amount returned by the amount invested. For example, if you invest $1,000 and get back $2,500, your multiplier is 2.5x—meaning you more than doubled your cash.