Calculator

Age Calculator

Exact age with a live countdown to your next birthday.

Result
0y 0m 0dof 82 yrs
Days lived0
Weeks lived0
Months lived0
Next birthday364 days
40 milestone
2065
65 milestone
2090

Life expectancy is set to 82 years for visualisation.

Guide

How the Age Calculator Works

The calculator measures the exact time between your date of birth and the current moment, then breaks that span into years, months and days. It also locates your next birthday and plots life expectancy progress so you can see where you stand.

  • Accurate chronological age based on calendar math.
  • Countdown to the next birthday and milestone years.
  • Life expectancy dial to visualise long-term progress.

Manual calculation

Subtract the birth date from today. If the current month/day is before your birthday, borrow a month and the matching number of days from the previous month to keep the values positive. That yields the familiar Y/M/D breakdown we show in the UI.

Milestones & countdowns

We compute the next birthday and milestones like 40 and 65 by adding fixed year offsets to your birth date. The progress bars compare days lived to the days required to reach each milestone, giving a quick glance at how close you are.

Why it matters

Precise age is required for passports, medical screenings, benefits eligibility and planning for retirement or schooling. Seeing the countdown encourages proactive planning rather than reacting when deadlines appear.

Source: Chronological age – Wikipedia