Age Calculator

How old are you exactly? Not just years — but to the very day. This age calculator gives your precise age in years, months, days, hours, and even minutes. It also calculates the age between any two dates.

How to Use This Calculator

1. Enter your date of birth.
2. The current date is automatically set to today, but you can change it to any target date.
3. Click Calculate to see your exact age broken down by years, months, days, and total days lived.

Example Calculation

Born: March 15, 1990 | Today: May 30, 2026

• Age: 36 years, 2 months, 15 days
• Total days lived: ≈ 13,224 days
• Next birthday: 9 months, 15 days away (March 15, 2027)

Common Uses

• Checking age eligibility for age-restricted activities, insurance, legal matters
• Finding age difference between two people
• Calculating age at a specific historical date
• Planning milestone birthdays (30, 40, 50, 100 days to 50th birthday, etc.)

Frequently Asked Questions

How is age calculated when birthdays fall on different months?

Subtract the birth year from the current year. If the birthday hasn't occurred yet this year, subtract 1. Then add months and days from the birthday to today.

How many days have I been alive?

The calculator does this for you. Roughly: age in years × 365.25 (accounting for leap years). A 30-year-old has lived approximately 10,957 days.

What day of the week was I born?

Our Day of the Week Calculator can tell you what day of the week any date (including your birthday) fell on.

Conclusion

Whether for legal purposes, personal curiosity, or planning, this age calculator gives you the most precise answer possible from any birth date to any target date.

Related: Date Calculator | Day Counter | Day of the Week Calculator