Age Calculator
Calculates exact age from date of birth
🧮 Age Calculator — Calculates exact age from date of birth
Separate day, month, and year fields reduce typing mistakes compared with one long date string.
What This Calculator Does ✨
You enter dates in separate day, month, and year boxes. The calculator finds years, months, and days in order. Leap years and different month lengths are handled for you.
You will fill in: Date of birth, Target date / today. Each field is clearly labeled so mistakes are less likely. ✅
Why use this page instead of counting manually?
Calculates exact age from date of birth Hand-rolled date math often misses leap years or varying month lengths—the engine on this page applies the same rules every time.
Tips for Accurate Results ✅
- Double-check day and month were not swapped.
- Leap-day births: confirm how your form treats February 29 in non-leap years.
- Run Calculate again after changing only the target date.
- Compare with a second source for life-changing legal decisions.
Who is this page for?
Teachers, genealogists, and office staff who answer the same date question for others throughout the week.
How to use the Age Calculator 📝
- Find the Age Calculator form in the left column of this page.
- Fill in: Date of birth, Target date / today.
- Verify day and month were not swapped (a very common error).
- Press Calculate and wait for the result panel to update.
- Copy, screenshot, or write down the answer if you need it for a form.
Examples 📊
Here are two sample runs. Your real dates will give your own personal result.
Example 1
Input: DOB: 15-05-2000; Target date: Today
Output: 25 years, 6 months, 27 days
Example 2
Input: DOB: 15-05-2000; Target: 01-06-2026
Output: 26 years, 0 months, 17 days. Total months: 312. Total days: 9513. Total hours: 228312. Total minutes: 13698720. Total seconds: 821923200.
Age Calculator — common questions ❓
Each question below refers to this calculator by name and to the fields on its form.
What is the Age Calculator used for?
Calculates exact age from date of birth On this page you will enter: Date of birth, Target date / today.
Does the Age Calculator show years, months, and days together?
Calculates exact age from date of birth Enter: Date of birth, Target date / today.
What result might I see from the Age Calculator?
Example: with u201cDOB: 15-05-2000; Target date: Todayu201d the page can show u201c25 years, 6 months, 27 daysu201d. Your own dates will produce a different personal answer.
Where is my data stored when I use the Age Calculator?
Dates you type are processed to show a result. This site does not need to keep your birth date on a server for the math to work.