Age Calculator – instantly calculate your exact age in years, months, days, hours, and even seconds with our free online age calculator. Just enter your date of birth and this smart tool will quickly tell you how old you are today. Whether you need to find your age for official documents, school forms, job applications, health records, astrology, or simply out of curiosity, this accurate DOB calculator makes it easy. Our age calculator also works for past or future dates, so you can check the age of your child, family member, pet — or even calculate upcoming birthdays and milestones.
Age Calculator
Calculate exact age, next birthday, and time breakdown.
Age Calculator – Calculate Your Exact Age in Years, Months & Days
Use the Age Calculator by CalcAndSave.com to calculate your exact age instantly. This free online tool is designed for users in the United States and helps you find your age in years, months, days, and even seconds based on your date of birth.
Whether you need your age for official forms, school applications, job requirements, or personal records, this calculator provides fast and accurate results.
How to Calculate Age Using This Calculator
Calculating your age with this tool is simple and takes only a moment.
Start by entering your date of birth. The calculator automatically compares it with today’s date and instantly shows your exact age. You don’t need to count days or worry about leap years — everything is calculated automatically.
The calculator also shows how long until your next birthday, making it useful for planning events or milestones.
How Age Is Calculated
Age is calculated by measuring the time difference between your date of birth and the current date.
The calculator accounts for:
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Leap years
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Different month lengths
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Exact day differences
Your age is displayed accurately in:
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Years
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Months
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Days
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Total days (optional)
This ensures precise results every time.
Example Age Calculation
Example scenario:
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Date of birth: January 15, 1995
Estimated result:
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Age: 29 years, 8 months, and 12 days
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Next birthday: In 3 months
This example shows how the calculator breaks down age into clear components.
How an Age Calculator Can Help You
An age calculator is useful in many everyday situations.
This calculator helps you:
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Fill out official forms accurately
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Meet age requirements for jobs or schools
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Track age milestones
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Avoid manual date calculation errors
It’s a quick and reliable way to get exact age details.
What Affects Age Calculation Accuracy?
Several factors affect age calculations:
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Leap years
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Month length variations
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Time zone differences (minor impact)
This calculator automatically handles these details so you don’t have to.
Common Age Calculation Mistakes
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Forgetting leap years
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Counting months incorrectly
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Miscalculating days between dates
Using an age calculator eliminates these common errors.
Frequently Asked Questions (FAQs)
What is an age calculator?
An age calculator determines a person’s exact age based on their date of birth.
Is this age calculator accurate?
Yes. It uses precise date calculations and accounts for leap years and month differences.
Can I calculate age in months or days only?
Yes. The calculator provides age breakdowns in years, months, and days.
Does this calculator store my data?
No. All calculations are done instantly without saving personal information.
How many days old am I?
Enter your date of birth to instantly calculate your total days old.
How many weeks old am I?
Your age in weeks is calculated from your birth date to today automatically.
Can I calculate age for a future date?
Yes, you can select any future date to calculate age at that time.
Does this calculator work for children and babies?
Yes, it works for anyone including newborns, kids, and adults.
How many days are left until my next birthday?
This calculator shows your next birthday and the exact number of days remaining.
How many weeks old is my baby?
Enter your baby’s date of birth to get age in weeks, days, hours, and minutes.
Does this calculator save my date of birth?
No. Your date is not stored or shared. All calculations happen instantly in your browser.
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Accuracy & Disclaimer
Disclaimer: This age calculator is for informational purposes only. Results may vary slightly depending on device time settings and time zone.
Calculate Your Age Instantly with CalcAndSave
Use the Age Calculator on CalcAndSave.com to find your exact age quickly and accurately — anytime, anywhere.