Age Calculator
Calculate your exact age in days.
About this tool
The Age Calculator finds your exact age in years, months, days, and even hours from your date of birth. It's useful for filling out forms, tracking milestones, verifying age requirements, and satisfying everyday curiosity.
How it works
- Enter your date of birth using the date picker or type it directly.
- The calculator automatically computes your age as of today.
- Optionally, enter a custom target date to find the age at a specific point in time.
- Read off your age in the units most relevant to your need.
Example use cases
- Verifying eligibility: Enter a date of birth to confirm whether a person is 18 or 21 years old today - useful for form verification.
- Birthday countdown: Set today as start and your next birthday as the end date to find the exact number of days until you turn a given age.
Frequently asked questions
Does it account for leap years?
Yes - the calculator correctly handles February 29 birthdays and all leap year calculations.
Can I calculate the age of something other than a person?
Yes - enter any start date (e.g., a company founding date or a document date) to find how old it is in years and days.