Date calculator
Age Calculator Online
Calculate exact age from date of birth to today, a past date, or a future date. See years, months, days, total days, weeks, months, next birthday, and quick future-age checks.
Exact ageFuture dateBirthdayPrivate
Calculate Age
Enter date of birth and choose the date where age should be calculated.
Private by design. Dates are calculated in your browser. QuickDeveloperTools does not upload or store your date of birth.
Age calculated successfully.
Exact Age Calculation Result
Calendar age and total duration from selected dates.
Your age is
26 years, 5 months, 27 days
Next Birthday
2027-01-01 in 187 days.
Age After 5 Years
31 years old.
Age After 10 Years
36 years old.
Age calculator guide
Calculate Age for Forms, Eligibility, Birthdays, and Future Dates
Exact Date of Birth Age
Use date of birth to calculate age in years, months, days, total days, total weeks, and total months.
Past and Future Age
Calculate how old someone was on a previous date or how old they will be on a future date.
Eligibility Checks
Useful for school admission, job forms, exam eligibility, legal age checks, insurance, and official records.
Common Uses
Related QuickDeveloperTools
Age Calculator FAQ
Age Calculation Questions
What is an Age Calculator?
An Age Calculator helps calculate exact age from a date of birth in years, months and days.
How do I calculate my age online?
Enter your date of birth and click Calculate Age to see your current age.
Can I calculate age from date of birth?
Yes. Enter the birth date and the tool will calculate the exact age.
Can I calculate age on a future date?
Yes. You can enter a future date to know how old someone will be on that date.
Can I calculate age on a past date?
Yes. You can select a past date to check how old someone was at that time.
Does the Age Calculator show years, months and days?
Yes. It can show age in years, months and days for better accuracy.
Can I calculate my father's age after 5 years?
Yes. Enter your father's date of birth and select a date 5 years from today to calculate his future age.
If I am 25 years old now, what will be my age after 10 years?
You will be 35 years old after 10 years.
If my father is 55 years old now, what will be his age after 5 years?
Your father will be 60 years old after 5 years.
If my son is 8 years old now, what was his age 3 years ago?
He was 5 years old 3 years ago.
If I was born in 2000, how old am I in 2030?
You will be around 30 years old in 2030, depending on whether your birthday has passed in that year.
If my age is 30 and my brother is 25, what will be our ages after 5 years?
After 5 years, you will be 35 and your brother will be 30.
If my mother is 50 and I am 20, what is the age difference?
The age difference is 30 years.
Does age difference change over time?
No. The age difference between two people stays the same over time.
If my father is twice my age now, will he always be twice my age?
No. The age difference remains the same, but the age ratio changes over time.
If I am 20 and my father is 40, when will my father be twice my age?
He is already twice your age now. After that, he will no longer be exactly twice your age.
If I am 15 and my father is 45, after how many years will he be twice my age?
After 15 years, you will be 30 and your father will be 60, so he will be twice your age.
Can I calculate retirement age?
Yes. You can compare your current age with your planned retirement age to know how many years are left.
If I am 40 now, how many years are left until age 60?
You have 20 years left until age 60.
Can I calculate school admission age?
Yes. You can calculate a child's age on a specific admission date using the date of birth.
Can I calculate legal age eligibility?
Yes. You can check whether someone has completed a required age by a specific date.
Can I calculate age in months?
Yes. The tool can show total age in months.
Can I calculate age in days?
Yes. The tool can calculate the total number of days between birth date and selected date.
Can I calculate age in weeks?
Yes. Age can also be calculated in weeks based on the selected dates.
Can I calculate age for a newborn baby?
Yes. For newborn babies, the calculator can show age in days, weeks and months.
Why does age depend on the selected date?
Age changes every day, so the result depends on the date used for calculation.
Does leap year affect age calculation?
Yes. Leap years can affect the total number of days, but the calculator handles this automatically.
What happens if someone was born on February 29?
For leap day birthdays, age is calculated based on calendar rules and the selected comparison date.
Can I calculate how many days are left until my birthday?
Yes. The calculator can help find the number of days remaining until your next birthday.
Can I find my next birthday day?
Yes. By using your date of birth, you can calculate when your next birthday will occur.
Can I calculate age for documents or forms?
Yes. It is useful for forms, school admission, job eligibility, exams, insurance and official records.
Is the Age Calculator free?
Yes. The QuickDeveloperTools Age Calculator is free to use.
Do I need to create an account?
No. You can calculate age without login or registration.
Is my date of birth uploaded to a server?
No. The QuickDeveloperTools Age Calculator works in your browser and does not require uploading your date of birth.