Description:
Age calculation involves determining the difference between a person’s date of birth and the current date. Key steps include noting the birth date and current date, then subtracting the birth year from the current year. Adjust for months and days if the birthday hasn’t occurred yet in the current year. This method ensures accuracy. Tools like Excel or programming languages can automate this. Accurate formatting and logical checks are essential for precision.
Key features of Age Calculator Template
♦ Easy to Understand
♦ Easy Dynamic Excel Format
♦ Easy to Download Excel File
♦ Digital File
♦ 100% fully customizable template
To calculate age, here are the basic keys (steps or concepts)
1. Know the Required Dates
Date of Birth (DOB) – The starting point.
Current Date – The ending point (can also be a specific date you’re comparing to).
2. Use the Format (Y-M-D)
Always work with Year-Month-Day (YYYY-MM-DD) format for clarity and accuracy.
3. Subtract Year, Month, and Day Separately
Start with subtracting the year:
Age = Current Year – Birth Year
Adjust based on month and day:
If the current month and day are before the birth month and day, subtract 1 from the age.
If they are after or equal, leave the result as is.
Example:
DOB: 2000-08-25
Today: 2025-05-18
Age:
2025 – 2000 = 25
But since May 18 is before August 25 → Age = 24
Download this quality Age Calculator in Excel Template
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