The MathBlog **age calculator** is your go-to tool for uncovering answers to pondering questions like, “*How old am I today*?”, “*What was my age on this specific day?*” or “*How old will I be in 2050?*“

## How Old Am I Calculator

The age calculator allows you to explore **How Old Am I** in various time units, ranging from milliseconds to years, helping you satisfy your curiosity about:

- What is my exact age?
- How many days have I lived?
- How many months old am I?
- How many weeks have passed since I was born?

## How to Calculate Your Age

Getting started is as simple as entering your birth date. Whether you want to calculate your current age or see how old you were on a specific date, our tool handles all the math for you. Here’s a step-by-step guide to help you dive in:

**Enter your birth date:**You can type it in (e.g., 10/02/1995 for “Feb 10, 1995”) or pick it from a calendar. See the small icon next to it.**Set the target date:**By default, the calculator will show your age as of today. However, you can choose any past or future date to see how old you were—or will be—at that time.**Choose the time unit:**Want to know your age in weeks, days, or even seconds? Select your preferred unit, and the calculator will provide an exact answer.

## How Old Am I Today?

Let’s learn how to calculate your age manually, without using an age calculator. For this example, we’ll assume today is **September 12, 2024**, and you were born on **March 20, 1998**. Here’s how to work it out:

**Start with your birth date**and go forward to your last birthday.

Your most recent birthday was on**March 20, 2024**, so subtract the years:**2024 – 1998 = 26 years**.

- Now that we’re on
**March 20, 2024**, add as many full months as you can without going past today’s date.- From
**March 20, 2024**, adding**5 full months**takes us to**August 20, 2024**.

- From
- Lastly, count the remaining days from
**August 20, 2024**, to**September 12, 2024**.- That’s
**23 days**.

- That’s

So, by adding everything together, you are **26 years, 5 months, and 23 days old** on **September 12, 2024**.

## How old will I be in 2050?

Calculating your age for a future date works just like it does for a past date. In the age calculator, simply adjust the default current date to a future one.

For example, if you were born on **August 30, 1982**, and you’re curious, “How old will I be in 2050?”:

- Enter your birth date (you can type in “30 08 1982”).
- Change the “Calculate age on” field to any date in 2050, such as
**January 1, 2050**.

The calculator will instantly tell you that on **New Year’s Day 2050**, you’ll be **67 years, 4 months, and 2 days old**.

## FAQs About Age Calculations

**How many days are there in 15 years?**

To convert 15 years into days, multiply 15 by the average number of days in a year (365.25 to account for leap years). The answer? **5,478.75 days**.

**How many months are in 3 years?**

There are exactly 36 months in three years, as each year consistently has 12 months, regardless of whether it’s a leap year.

**How long ago was 2017?**

As of 2024, 2017 was seven years ago. When the calendar turns to 2025, it will be eight years since 2017.

**What is my age if I’ve lived for 10,000 days?**

If you’ve been alive for 10,000 days, you are around 27 years and 138 to 139 days old, depending on whether you’ve experienced 6 or 7 leap years. Alternatively, that equates to about 27 years, 4 months, and somewhere between 15 and 19 days, depending on the months in question.

**What is my age if I was born in 1983?**

As of 2024, if you were born in 1983, you are either 40 or 41 years old, depending on whether your birthday has passed this year or not.

**How old are you if you were born in 1999?**

If you were born in 1999, subtract 1999 from the current year. For example, in 2024 you’re either **24 or 25 years old**, depending on whether you’ve celebrated your birthday yet.

**What year was I born if I am 21 years old?**

If you’re 21 years old in 2024, you were born in either 2002 or 2003. If your birthday has already passed this year, you were born in 2003, otherwise, it was 2002.

**What is my age if I was born in 1964?**

In 2024, if you were born in 1964, you are either 59 or 60 years old. If you’ve already celebrated your birthday this year, you’re 60; if not, you’re 59.