A definitive family reference service

How old is
Stephen Evans?

— years old

Calculating with unnecessary precision…

Current age in seconds —

The fractions department

Because whole years are far too vague.

Each figure shows the largest completed fraction of the current year. No rounding up: that would be age fraud.

Halves——

Quarters——

Eighths——

Sixteenths——

Needlessly precise

Calendar years—Fraction of the current birthday-to-birthday year

Binary years—Base 2, five fractional digits

Hexadecimal years—Base 16, five fractional digits

Decades—

Gregorian mean months—

Lunar months—Synodic months, approximately

Traditional dog years—Scientifically indefensible

Weeks—

Days—

Hours—

Minutes—

Seconds—

Milliseconds—

Next official upgrade

—

Interplanetary age fraud

Approximate ages using each planet’s orbital period.

☿Mercury—years

♀Venus—years

♂Mars—years

♃Jupiter—years

♄Saturn—years

For the record