Age from date of birth
Work out an age in complete years or months from a date of birth with DATEDIF, and get a decimal age with YEARFRAC.
In this lesson
- Age in complete years:
=DATEDIF(B2, G1, "Y"), date of birth first. - Other units: "M" complete months, "D" days, "YM" the months after the last whole year (for "2 years, 3 months").
- The other way round, DATEDIF shows #NUM!.
Try a free lesson first
Delete repeated rows from a merged list, and choose which columns decide what counts as a duplicate.
Confident · 9 min · Free, with no sign-up
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- The Roadmap, Skills and all seven paths.
- A cheat sheet for every lesson you finish.
- Skill
- Dates and times
- Stage
- Confident
Where it sits in Dates and times
- How dates really work8 min
- Add months with EDATE and EOMONTH10 min
- Working days with NETWORKDAYS and WORKDAY12 min
- Age from date of birthThis lesson10 min
- Weekday names and week numbers11 min
- Hours worked9 min
The steps
9 steps: 4 explanations, 3 Do this, 2 questions, then Your turn.
Try a free lesson first
Delete repeated rows from a merged list, and choose which columns decide what counts as a duplicate.
Confident · 9 min · Free, with no sign-up
Do the free lesson on your computer.
Send yourself the link and open it on a laptop or desktop.
On your computer, go tolearnford.com/go/BV7C