How to Use Excel to Calculate the ROI on a Product. "Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you ...

Return on Investment (ROI) can help you determine how much you'll have for retirement. Here are key formulas and strategies to plan and maximize your financial future.

Calculating the return One of the best methods for calculating an average return for a stock investment is the XIRR function in Excel.