To calculate age in Google Sheets, use the DATEDIF or YEARFRAC formulas. I’ll cover each in detail below. Follow along for screenshots and full formula explanations.

This simple Google Sheets formula will show you the number of days between two dates.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

If you want to calculate the age from the date of birth in Google Sheets, then you can do so using DATEDIF or the Array formula. Learn how!