age calculator
Calculate your exact age or the time elapsed between any two dates. Discover your age broken down into years, months, weeks, days, hours, and even seconds.
Years
36
Months
3
Days
17
Getting Started in Seconds
Select DOB
Choose your date of birth from the calendar picker.
Calculate
Press 'Calculate' to see your exact age breakdown.
Share
Copy your age breakdown to share with friends or family.
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Common
Questions
Have a different question about Age Calculator? Feel free to reach out or explore our other documentation.
1When would I need to know my age in days and weeks?
Have you ever wondered if you've already hit a '1,000-week birthday'? We go beyond simple years and months so you can celebrate small personal milestones or simply see your time in a whole new light.
2Is it really true that my birthdate stays on my computer?
Yes, that's exactly how our technology works. We use 'client-side' processing, which is like have a personal diary. Your birthday and age results never leave your browser for any reason.
3Does it correctly count for leap years?
Imagine you're celebrating a 20th birthday—your age has already included five leap days! Our tool automatically handles those extra days in February across all segments of your life, so you know your age is perfectly accurate.