# Birthday Comparison - Age Comparison Calculator

The online age difference calculator is a free tool used to compare ages between two persons. On the other side, you can also compare younger’s date of birth(YDOB) and elder’s date of birth(EDOB) easily. It is also known as a birthday comparison calculator.

## How to find the age difference between two dates?

- Step 1: Enter the birth details of the two persons (i.e) Person A and Person B.
- Step 2: DOB’s are formatted in DD-MM-YYYY.
- Step 3: Subtract Younger’s DOB and elder’s DOB, (i.e.) A-B = C
- Step 4: Now you get C.
- Step 5: Thus the age difference is found easily now.

## What is the formula for age difference?

Age Difference is the difference between two ages. The formula for age difference is

A - B = C

That means you minus the two ages or minus the two Date of Birth(DOB)’s.

## What is a birthday comparison calculator?

If you want to compare age or to find an exact age difference between the younger and older age , use this age comparison calculator. This web tool has used effective steps to get you the precise answer in the next few seconds. Anybody can access this online birthday comparison calculator from anywhere.

## How to calculate age difference?

- Step 1: First, consider the one person age (i.e) Younger’s age.
- Step 2: Then, consider the other person's age (i.e) Elder’s age.
- Step 3: Calculate the difference between younger and elder’s age.
- Step 4: The age difference is displayed.
- Step 5: Hence the difference is mathematically proved.

**How to use this age comparison calculator tool:**

Let's see how to use this age comparison calculator tool to find an exact age difference between the two persons A and B.

- Step 1: On this page, enter the birth details of the person, assume the person is A.
- Step 2: Enter the birth details of person B in another box.
- Step 3: Make sure to enter the correct details, if not, you will get an alert message to correct it.
- Step 4: Finally click "calculate" to get the age difference based on their birthdays.
- Step 5: Use a reset or clear option to clear the contents.

This illustration is meant for a better understanding of the online age comparison calculator:

**For Example:**

**How much older is James than Joe?**

- Assume that Joe is older and his DOB is 08-08-1984 whereas his younger brother James DOB is 21-02-1986. Now I want to calculate their age difference. So, it’s time to work on this age comparison tool to see how it operates:
- Enter the elder i.e Joe's DOB (08-08-1984)in the space provided with the format.
- Enter the younger's DOB i.e James's DOB (21-02-1986) in the second space.
- Click the "calculate" option to find their age difference.
- Now the result, i.e the "Age Difference: 1 year(s), 6 month(s)" is shown on the screen.