Calculating age based on a birthday is a common task, whether for work, school, or personal records. Excel makes this easy with built-in formulas that can quickly determine a person’s age from their ...

Net present value (NPV) is used to estimate the profitability of projects or investments. You can calculate NPV in two ways using Microsoft Excel.

How to Calculate the Total Hours Formula in Excel. As a spreadsheet software program, Microsoft Excel has many useful features for a small business's productivity.

We show you how to calculate a weighted average in Excel using SUMPRODUCT and SUM functions, providing step-by-step instructions, practical examples, and common use cases.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

This step-by-step guide shows how to calculate compound interest through different formulas in Microsoft Excel.

Our guide is here to help you learn how to calculate the z-score in Excel so you can get done with your work quickly!

We show you how to calculate percent change in Excel using a percentage change formula and some handy formatting tools.

Learn how to calculate percentages in Excel using a few simple steps. We'll show you how and explain some tips and tricks too.