CALCULATORS / DEVTOOLS
Age Calculator
Calculate your age in years, months, and days from a birth date.
Enter both dates to calculate.
ABOUT THIS TOOL
What Age Calculator does
Calculate the calendar age between a date of birth and a selected as-of date. The result is computed locally and updates for the date you choose.
Useful for checking age milestones or calculating elapsed age on a specific date. This is a calendar calculation and does not establish legal eligibility.
How to use Age Calculator
- Enter a valid date of birth.
- Choose the date to calculate age as of, or use today's date.
- Read the completed years, months, and days between the dates.
ANSWERS AND DETAILS
Frequently asked questions
What does this tool do?
Calculate the calendar age between a date of birth and a selected as-of date. The result is computed locally and updates for the date you choose.
When is this tool useful?
Useful for checking age milestones or calculating elapsed age on a specific date. This is a calendar calculation and does not establish legal eligibility.
Is my input uploaded?
No. This tool runs in your browser and does not send the value you enter to a processing server.