
Rex says
Everyday utility math — the kind you'd otherwise pull up four browser tabs for. I keep it to one clean answer.
Try a scenario
Click to load — tweak from there.Inputs
Result
Age
20 years, 0 months, 0 days
Years
20
Total days
7,305

Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter date of birth.
- 2Enter age on.
- 3Read your age on the right — it updates as you type.
- 4Hit Share to keep the scenario or send it to someone.
About this calculator
Pick a date of birth and a target date — get the exact age and total days lived.
