How to Use the Age Calculator

Our free online age calculator makes it easy to find your exact age in multiple formats. Simply enter your date of birth and the date you want to calculate your age on (defaults to today), then click "Calculate Age" to get instant results.

Why Calculate Your Age?

Health & Wellness

Track your age for health milestones, fitness goals, and medical appointments.

Special Occasions

Plan birthday celebrations and count down to milestone birthdays.

Understanding Age Calculations

Age is typically measured in years, but our calculator provides detailed breakdowns including:

Years, Months, and Days: Your precise age broken down into standard time units
Total Days: The exact number of days you've been alive
Total Weeks: Your age converted to weeks
Total Hours: Every hour since your birth
Total Minutes: Down to the minute accuracy
Next Birthday: When you'll celebrate your next birthday
Days Until Birthday: Countdown to your special day

Common Use Cases

✓Retirement Planning: Calculate years until retirement eligibility
✓Legal Documents: Verify age for contracts, licenses, or applications
✓Education: Determine grade level or program eligibility
✓Social Media: Calculate someone's age from their birthdate
✓Genealogy: Research family history and calculate ancestors' ages

Frequently Asked Questions

How accurate is the age calculator?

Our calculator is 100% accurate and accounts for leap years, varying month lengths, and all date complexities. It calculates your exact age down to the day.

Why does the calculator show days until next birthday?

This helps you plan celebrations and know exactly when your next birthday will arrive. It's especially useful for milestone birthdays!

Can I calculate someone else's age?

Yes! Simply enter their date of birth to calculate their age. This is useful for family members, historical figures, or anyone whose age you need to know.

Is my data private?

Absolutely! All calculations happen in your browser. We don't store, collect, or transmit any personal information.

Age Calculator