How does an age calculator work?

An age calculator uses your date of birth and another date to find your age. By default, the second field shows today’s date.

Can I calculate my age on a past date?

Yes. Change the second date to a past date to see how old you were on that day.

Can I find out how old I will be in the future?

Yes. Select a future date to see how old you will be on that date.

What is a chronological age calculator?

A chronological age calculator finds your age by counting the time between your birth date and a selected date.

Can I calculate my age in months?

Yes. The calculator can show your total age in months, which can be useful when you need your age for a specific purpose.

How many weeks have I lived?

The calculator can show your total number of weeks based on the time between your birth date and the selected date.

How many days have I lived?

You can see the total number of days between your birth date and the selected date. This also helps you check when you will reach milestones such as 10,000 days.

Age Calculator

Date of Birth *

Calculate Age At

Ready when you are

Select your date of birth above to reveal your exact age down to the day.

Find your exact age in years, months, and days using your date of birth. Easily check your current age or see how old you will be on any future date.

About this Tool

An age calculator is a simple way to find out how old you are without doing the math yourself. Enter your birth date, and the calculator will work out your age for you.

It can be useful for school forms, applications, records, birthdays, or everyday questions. Along with your age, this tool gives you more details about the time you have lived.

You can see your total weeks and total days, along with an estimated number of heartbeats and the time you may have spent sleeping. It can also show how many days are left until you reach 10,000 days of age.

You can also use it as a birthday calculator to see how much time has passed since you were born. If you often ask, “how old am I?

”, this tool gives you a quick answer in just a few seconds. The age finder is simple to use and gives you useful details in one place.

How to Use

Select your **Date of Birth** in the first field.

The **Current Date** is already selected in the second field.

Change the current date if you want to check your age on another date.

Check both dates to make sure they are correct.

Click the **Calculate** button.

Your age will be shown on the screen.

You can change the dates and calculate again anytime.

Examples

Scenario

Checking Your Current Age

Result

Enter your date of birth and keep the current date selected. The calculator shows your age in years, months, and days, along with total weeks and days.

Scenario

Checking Your Age on a Past Date

Result

Change the second date to a date in the past. The calculator can show how old you were on that date. This works like a chronological age calculator for checking your age at a specific time.

Scenario

Checking Your Future Age

Result

Choose a future date in the second field to see how old you will be on that date. You can also see your total days, weeks, and other details for that date.