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Age Calculator
Enter date of birth
Age calculation results
Age as of —
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Total weeks
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Total days
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Next birthday
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Days until next birthday
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Born on a
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Use your date of birth to find your age exactly at a site on the web. This date of birth age calculator tells you how many years/month/days you are old, and how many total months/weeks/days you’ve lived. You can also check your age on different past, present or future dates and know when your next birthday will be.
- 100% Free Access
- Unlimited Conversions
- No Signup Required
- Fast & Secure
- Simple steps
How Age Calculator Works
Calculate your age in just a few simple steps. Fill in your birth date, select the date to calculate your age as of, and see your detailed results in an instant.
Step 1
Enter your Date of Birth
Click on the calendar icon and choose your date of birth or type it in (day/month/year).
Step 2
Choose the Calculation Date
The date will be automatically loaded with today's date, and then it can be changed to any date in the past or future.
Step 3
Calculate your Exact Age
Use the Calculate Age button to instantly see your age in years, months, and days - and more!
- Benefits
Why Use Our Age Calculator?
Our age calculator online has been created with the objective of calculating your age with a simplicity and detail without making too much use of calculations.
Calculate child's age based on DOB
Put your birth date and your age will be calculated immediately in years, months and days.
Exact Age Breakdown
Display your age in a detailed format such as years, months and days.
The number of months, weeks and days.
See your age in months, weeks and days to help you understand your age in greater detail.
Next Birthday Countdown
Now look at the date of your next birthday and count the number of days that go by until you turn your birthday.
Day of the Week
Find out what day of the week you were born on, e.g. Monday, Tuesday or Sunday.
Completely free
Use the calculator as often as you wish - no registration, subscription or hidden fees.
- Use cases
Popular use cases
Personal Age Calculation
Find out your actual age for your own records, birthdays, and to use in everyday life.
Birthday Planning
Identify your next birthday date and work out how many days are left until your birthday.
Official Forms
Fill in forms or documents with the age you have calculated for them.
School & Education
Students/parents can use to calculate age for school enrolment and applications and educational records.
Job Applications
Be sure to fill out job applications or other job-related forms with your true age.
Event Planning
Calculate ages for birthdays, life milestones and other events.
Historical Age Calculation
Find out how old someone was on a particular date in the past.
Future Age Calculation
To find out how old you will be on a particular date, enter the date.
- Technical
How the Age Calculator Formula Works
An age calculator formula is a formula that can be used to calculate your age based on a selected calculation date. The calculator does not just subtract one year from another though it does take into consideration the month and day to calculate the full age.
The basic calculation is based on this concept:
Age = Calculation Date – Date of Birth
The calculator separately computes the number of years, months and days that have elapsed, and the number of years, months and days that remain. This is significant as the months vary in number of days and leap years have an impact on the calculation.
For instance, when a person is born on August 10, 1998, it can be used to find out exactly how old they are on a chosen date and print the information in years, months and days.
What You Can Calculate
- The exact age in years, months and days.
- Total number of months in the year.
- Total number of weeks
- The number of all days.
- Help
How does the Age Calculator help you?
Once you’ve calculated your age the tool will give you some helpful results.
Years, Months & Days
Represents your actual years, months and days of age.
Total Months
Changes the age to the number of months passed.
Total Weeks
Gives a close estimate of a total week, based on the number of days calculated.
Total Days
Displays the total days from your birthdate to the date you chose for the calculation.
Next Birthday
Shows the date of your next birthday.
Days Until Next Birthday
Displays the number of days until your next birthday.
- Calculator
Use Age Calculator by Date of Birth
If you want more information than what you get by subtracting your birth year from the current year, you'll find an age calculator by date of birth to be a better choice. It takes into account the actual day and month that you were born in order to determine your age in years.
Just input your birth date, choose the date for the calculations, and the calculator will automatically calculate the difference between the two dates.
The tool can be taken advantage as an age calculator by date of birth free online without downloading software or creating accounts.
- Definition
What is an Age Calculator
Age calculator is an online service which calculates age of the person on the basis of his/her date of birth and some date selected for calculation. The current date is used for most calculations automatically and for advanced calculators you can choose another date.
Your current age
- Your age on a date in your past
- The age you will be on a future date.
- The day that you turn another year older.
- The number of days before your birthday.
- Calculate
Current Age vs. Age for a Specific Date
The age varies depending on which date is used for the calculation. You can select the precise date with which you would like to use our calculator.
Current age: Automatically uses today's date.
Past Age: To learn how old you were at a previous date, click the previous date button (Past age).
Future age: pick a future date to find out how old you will be on that date.
This would be helpful for everyday calculations as well as date-specific age calculations.
- Questions
Frequently Asked Questions
Everything you need to know before you start converting.
How to determine the age from date of birth?
You can input the Date Of Birth, choose the Calculation Date and hit Calculate Age. The calculator will display how many years, months and days you are.
Does this age calculator charge any fees?
Yes. There is no fee to use the age calculator and no requirement to sign up for it or subscribe.
Does my age exist in online without signing up?
Yes. The age calculator is accessible online, without any signups or personal information.
Can I work out my age on a particular birthday date?
Yes. Input your date of birth and select any past, present or future date in the Calculate age as of field.
The formula for calculating age is?
The basic age calculator formula involves calculating the age and date of birth. The actual calculation takes into consideration years, months, and days and not just birth years.
Can the calculator display the number of months I am old?
Yes. The answer is the total number of months that has passed since your birth, as well as your age in years, months and days.
May I find the number of weeks and days in my age?
Yes. The time difference between the first and second dates is also calculated and the total weeks and total days are displayed as a result.
What day of the week is it for my birthday?
Give your birthday and find out how old you are. The results contain a field for your day of the week, called Born On.
What is the number of the day of my next birthday?
Yes. Once you're done calculating your age, the tool will show you the date of your next birthday and the days remaining until that day.
What is the likelihood that a date of birth calculator is correct?
When calculating the date-based age result, the calculator includes the exact dates you enter into it and calculates the differences in months, days and leap years.
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