Age Calculator
This free age calculator gives your exact chronological age in years, months and days, converts it to total weeks, days and hours, and counts down to your next birthday.
Leave empty to use today.
Getting today's date...
Examples
How to use
- 1
Pick your date of birth in the first field.
- 2
Leave the second field empty for your age today, or pick any other date.
- 3
Read your exact age in years, months and days, plus the totals in weeks, days and hours.
- 4
Check the next birthday panel for the date, the weekday and the days left.
Parameters
Every field of this tool can be prefilled from the URL. Use these query parameters:
| Parameter | Type | Default |
|---|---|---|
| birthdate | string | 2000-01-15 |
| asOf | string |
Example : https://www.veltotools.com/date/age-calculator?birthdate=2000-01-15
API
The same tool is available as a free JSON API, with the same parameters as above. No key, no sign-up.