Calculate Age from Date of Birth in Excel
Calculate age from date of birth in Excel using our free online tool. Learn Excel age calculation formulas, methods, and best practices for accurate results.
Age Calculator
Why Calculate Age in Excel?
Calculating age from date of birth in Excel is essential for HR management, demographic analysis, and personal record-keeping. Our online calculator helps verify Excel formulas, ensure date format accuracy, and understand age calculation methods. Perfect for professionals working with employee data, student records, or research projects requiring precise age calculations.
Excel Age Formula
| Formula | Description |
|---|---|
| =DATEDIF(A1,TODAY(),"Y") | Calculates complete years |
| =YEAR(TODAY())-YEAR(A1) | Basic year difference |
| =INT((TODAY()-A1)/365) | Approximate age in years |
Advantages of Excel Age Calculation
- ✔️ Automatic updates with TODAY() function
- ✔️ Handles leap years automatically
- ✔️ Integrates with large datasets
- ✔️ Customizable date formats
Disadvantages of Excel Age Calculation
- ❌ Date format dependency
- ❌ Different results based on system date
- ❌ Requires formula understanding
- ❌ No native age calculation function
FAQ 1: How accurate is Excel age calculation?
Excel's DATEDIF function provides 100% accurate age calculation when using proper date formats. It accounts for leap years and month variations, making it more reliable than manual calculations. Verify your system clock accuracy for best results.
FAQ 2: Can I calculate age in months using Excel?
Yes, use =DATEDIF(start_date,TODAY(),"M") to get age in months. Replace "M" with "YM" for months excluding years. Combine with years for detailed age breakdowns in Excel spreadsheets.