Calculate age

From LemonWiki共筆
Revision as of 14:00, 10 February 2022 by Unknown user (talk)
Jump to navigation Jump to search

Calculate age in Excel or MySQL

Calculate age in Excel

If the column value is well-formatted

  • =(TODAY()- BIRTH_DAY)/365[1]
  • =ROUNDDOWN(YEARFRAC(BIRTH_DAY, TODAY(), 1), 0)

Calculate age in MySQL

SELECT `birth_date`, TIMESTAMPDIFF (YEAR, `birth_date`, CURDATE()) AS age
FROM `my_table` 
WHERE `birth_date` IS NOT NULL

[2]

Challenge of real world data

The column value is NOT well-formatted such as

  • year only e.g. 2024
  • month & date only e.g. 04-19

References

  1. ↑ How to calculate age in Excel from birthday
  2. ↑ sql - Calculate Age in MySQL (InnoDb) - Stack Overflow
Retrieved from "https://wiki.planetoid.info/index.php?title=Calculate_age&oldid=22559"