Age Calculator
Find your exact age in years, months and days. Enter your date of birth and, optionally, a date to calculate your age on that day.
Leave as today if you want your current age.
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Total Days
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Total Months
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Total Weeks
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Day of Week Born
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How to use
- Select your date of birth in the first field.
- Optionally change the "Age at Date" field, or leave it set to today.
- Click Calculate Age.
- See your age in years, months and days, along with total days, total months, the weekday you were born on, and a countdown to your next birthday.
Tips
- Use the "Age at Date" field for forms that ask your age on a specific day, such as an admission or exam cutoff date.
- The total-days and total-weeks figures are handy for baby milestones and anniversaries.
- Leap years are handled automatically — the exact-days count stays correct across February 29.
Frequently Asked Questions (FAQ)
How do I calculate my exact age?
Enter your date of birth and get your exact age in years, months and days, plus the total days lived.
Can I calculate my age on a past or future date?
Yes. Optionally enter a date to calculate your age on that day.
Can I check age eligibility for admissions?
Yes. Enter the cutoff date in Age at Date to see the exact age on that day, for example for school admission rules.
Do I need the full date of birth?
Yes. The result needs the exact day and month to compute the years, months and days correctly.