Loading current dateLoading current time
Loading device data
Loading current dateLoading current time
Age and milestone tools

An age laboratory with room to work.

Compare ages, check age milestones, calculate how old someone was—or will be—on a specific date, and find milestone dates from years to seconds.

Device time12:00:00 p.m.Sat, Jan 1, 2000
01 · Find age difference

Compare many pairs at once

Name pairBirth date 1Birth date 2Age difference
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
02 · Age crosscheck

How old was everyone else when the reference person was, or will be, age X?

Reference momentWaiting for reference
Name to compareTheir birth dateTheir exact age at the reference moment
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
03 · Age crosscheck by date

Everyone’s age on one meaningful date

NameBirth dateAge (Y, M, D) on reference date
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
Waiting for dates
04 · Age milestone calculator

When will someone reach this many years, minutes, or seconds?

Enter DD/MM/YYYY. Add a time only when hour, minute, or second milestones need to be exact; otherwise midnight is used automatically.

UnitTarget numberMilestone dateCountdown
Waiting for target—
Waiting for target—
Waiting for target—
Waiting for target—
Waiting for target—
Waiting for target—