Age Calculator

Calculate age in years, months, and days from a birth date

Free to use

Calculators

Birth date

Age

Updated live

About Age Calculator

Age Calculator instantly computes your exact age in years, months, and days based on your birth date. Whether you are verifying eligibility, planning milestones, or simply curious about precise age calculations, this tool delivers accurate results in seconds without any complexity.

All calculations happen locally in your browser with zero data stored or transmitted, ensuring complete privacy. Perfect for personal use, event planning, genealogy research, or any situation where you need detailed age breakdowns.

Local only

Privacy-safe

Instant

Real-time results

No signup

Completely free

Year round

Leap year aware

How to use Age Calculator

Enter Your Birth Date

Select your birth date from the calendar picker or type it manually in the date field.

View Detailed Results

The calculator instantly processes your input and displays your age breakdown across years, months, and days.

Copy or Share Results

Use the copy button to save your age details or manually note the information you need.

Pro Tips

Use the day-of-week feature to find fun facts about your birth day or cross-reference historical events.
Check the total days lived counter for motivation milestones-round number days make great reflection moments.
Save your results before leaving the page if you need them for official documentation or forms.
The leap year calculator automatically handles February 29th births with perfect accuracy every time.