Age Calculator
Exact age in years, months, days and total time lived.
Enter your values
Enter the date of birth in YYYY-MM-DD.
Enter the age on date in YYYY-MM-DD.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Age
- 32 years, 1 months, 13 days
- Total days lived
- 11,731
- Total weeks
- 1,675
- Born on a
- Wednesday
- Next birthday
- 2027-06-15 (322 days)
Quick answer
Age is complete years since birth; add the leftover months and days for an exact figure.
At a glance
| What it does | Exact age in years, months, days and total time lived. |
|---|---|
| Category | Date & Time |
| Inputs needed | Date of birth, Age on date |
| Main output | Age |
| Cost | Free — no sign-up, no download |
How to use the Age Calculator
- 1Enter the date of birth.
- 2Optionally change the 'age on' date.
- 3Read the exact age and next birthday.
Inputs explained
- Date of birth(YYYY-MM-DD)
- Enter the date of birth in YYYY-MM-DD.
- Age on date(YYYY-MM-DD)
- Enter the age on date in YYYY-MM-DD.
Worked example
Using the values the calculator loads with:
Inputs
- Date of birth1994-06-15 YYYY-MM-DD
- Age on date2026-07-28 YYYY-MM-DD
Results
- Age32 years, 1 months, 13 days
- Total days lived11,731
- Total weeks1,675
- Born on aWednesday
- Next birthday2027-06-15 (322 days)
Frequently asked questions
How is age counted in leap years?
By the calendar. Someone born on 29 February is treated as having a 28 February or 1 March birthday in common years, depending on jurisdiction.
Does this give legal age?
It gives calendar age, which matches how almost every legal system counts birthdays.
What do I need to enter into the Age Calculator?
Just 2 values: date of birth, age on date. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Age Calculator work out the answer?
Age is complete years since birth; add the leftover months and days for an exact figure. The working is shown step by step so you can verify the result by hand.
Is the Age Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.