Age Calculator
Ever wondered about your exact age down to the day? This tool provides a detailed breakdown of your age in years, months, and days. It's perfect for birthday countdowns, milestone tracking, or just for fun. Simply enter your date of birth, and we'll handle the rest.

Your Age Is

30Years
0Months
0Days

Total days lived: 10,958 days

This is the total number of days you've been alive. A fun fact to share!

Happy Birthday!

Hope you have a great day!

Calculation Explained

How Your Age is Calculated

The age calculation determines the time elapsed between your date of birth and the current date. Here's a breakdown of how each value is derived:

  • Years, Months, and Days: The calculator finds the full number of years that have passed, then the full number of months in the remaining period, and finally the number of days left over. This gives you a precise age breakdown.
  • Total Days Lived: This is a straightforward calculation of the total number of days between your date of birth and today.
  • Next Birthday Countdown: The calculator identifies the date of your next birthday. If this year's birthday has already passed, it looks to next year. It then calculates the number of days from today until that future birthday date.

Example Calculation

Based on the date of birth you entered, here is how we arrived at the result:

  • Date of Birth: December 1, 1995
  • Current Date: December 1, 2025
  • Next Birthday: December 1, 2025

By calculating the interval between these two dates, we found that your age is exactly 30 years, 0 months, and 0 days. The total number of days you've been alive is 10,958. Finally, we determined that your next birthday on December 1, 2025 is in 0 days.

Age Calculation Examples
Here are a few sample ages calculated with today's date so you can see how the breakdown works in practice.

Millennial Milestone

A person born during the early 1990s checking how far they are from their next big birthday.

Date of Birth: February 14, 1990

35

Years

9

Months

17

Days

How this example was calculated:

  1. Compare the birth date (February 14, 1990) with today's date (December 1, 2025) to count how many full birthdays have passed. That gives 35 full years.
  2. After those years, there are 9 full months and 17 days remaining until today.
  3. Counting every day between the two dates results in 13,074 days lived.
  4. The next birthday will be on February 14, 2026, which is in 75 days.

Gen Z Graduate

Someone born in the late 1990s who just wrapped up college and wants a precise age breakdown.

Date of Birth: September 30, 1998

27

Years

2

Months

1

Days

How this example was calculated:

  1. Compare the birth date (September 30, 1998) with today's date (December 1, 2025) to count how many full birthdays have passed. That gives 27 full years.
  2. After those years, there are 2 full months and 1 days remaining until today.
  3. Counting every day between the two dates results in 9,924 days lived.
  4. The next birthday will be on September 30, 2026, which is in 303 days.

New Parent Snapshot

A new parent born in 1987 keeping tabs on total days lived and the countdown to their next celebration.

Date of Birth: June 5, 1987

38

Years

5

Months

26

Days

How this example was calculated:

  1. Compare the birth date (June 5, 1987) with today's date (December 1, 2025) to count how many full birthdays have passed. That gives 38 full years.
  2. After those years, there are 5 full months and 26 days remaining until today.
  3. Counting every day between the two dates results in 14,059 days lived.
  4. The next birthday will be on June 5, 2026, which is in 186 days.