🎂 Date & Time
Age Calculator
Find your exact age in years, months, days — and your next birthday countdown.
How the Age Calculator works
Enter your Date of Birth and choose a reference date (defaults to today). The calculator computes the precise age by accounting for leap years, varying month lengths, and timezone-accurate date math. Results show your age broken down into years, months, remaining days, plus total days and weeks lived. The next birthday countdown automatically adjusts for the upcoming year.
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
How do I calculate my exact age?
Enter your date of birth in the Age Calculator above. It instantly shows your exact age in years, months, and days by calculating the difference between your birth date and today's date.
How many days have I been alive?
The Age Calculator displays your total days lived alongside your age in years and months. Enter your date of birth and the result appears instantly — no manual math required.
How do I find out how many days until my next birthday?
The Age Calculator automatically calculates and displays the number of days remaining until your next birthday as soon as you enter your date of birth.
Can I calculate age for a future or past date?
Yes. Use the "Calculate Age On" date field to find your age on any specific date — past or future — such as a milestone anniversary or a future event.
What is the formula to calculate age?
Age is calculated by subtracting the birth date from the target date. The difference is then broken down into complete years, remaining months, and remaining days, accounting for leap years and month lengths.
Is this age calculator free to use?
Yes — the Age Calculator on Potential Daily is completely free with no sign-up or registration required.