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Chronological Age Calculator: Precise Age

Calculate your exact age in years, months, days, and even minutes.

What is Chronological Age?

Chronological age is the amount of time that has passed from your birth to the given date. It is the primary way we define age for legal, cultural, and biological purposes.

How it Works

  1. Enter your full Date of Birth (Month, Day, Year).
  2. The calculator determines the total duration to the current second.
  3. It accounts for the varying lengths of months (28, 30, 31 days) and Leap Years.

Age FAQs

Why is this useful?

It is often used for school admissions, medical forms, or simply for fun to see milestones like your 10,000th day alive.