Birthday Calculator

The birthday calculator is designed to determine the exact age by entering date of birth. It also returns date and time of next birthday.

Date Picker
Time to Next Birthday

How to Use the Birthday Calculator?

  1. Firstly, enter your date of birth. You can input it manually by entering the month, day, and year. Also, you can use the calendar icon to select the required date.
  2. Now click on the "Calculate" button. That's all.
  3. As a result, you can see your age results on your screen. It will show your current age, the date and day of your next birthday, the age at your next birthday, and the time left for your next birthday.
  4. Lastly, press the "Reset" button if you wish to calculate for the other date.

Why Do you Need a Birthday Calculator?

There are many real-life situations in which you need our tool to get your answers. Some of them are given below.

  • Consider a friend asking how old are you or how old will you be on your next birthday or how much time is left for your next birthday. You might not remember the answer to such queries all the time. Also, you can't calculate it manually. Because it's very difficult, confusing, and time-consuming work. So, that is why we have come up with this birthday calculator. It lets you make age-related calculations swiftly.
  • It's a well-known fact that none of us want any calculation to be inaccurate. There are chances of error involved in doing such calculations manually. Our tool helps you to solve birthday-related issues with accurate answers.
  • You might be able to make such calculations correctly every time. But, what about the time factor. You may take a lot of time to do that. However, this tool not only gives you accurate but also instant results.
  • The unique and best thing about our tool is that you can find what day will it be on your next birthday.


Follow the steps below.

  1. Firstly, you must know the date of birth of the person and today's date.
  2. Now subtract the year of birth from the current year and the similar type of subtraction with month and day.
  3. Whatever value you get, is the current age of the person. Sometimes you need to adjust the years, months, and days values to get accurate results.

Let's take an example.


Date of birth: March 01, 2020
Today's date: April 08, 2022

Exact age as of today = 2 years, 1 month, and 7 days,
Age at next birthday = 3,
Time left for next birthday = 10 months and 22 days.

Yes, of course, you can find it on our tool. It's under the "Date of next birthday" result.

No, you can't change the input format for date. By default, it is set to MM/DD/YYYY and that is the standard and most used date format.