Age Calculator
Enter your date of birth to find your exact age down to the day — years, months and days — plus your total age in months, days and hours.
Pick your date of birth and the tool calculates your exact age today: years, months and days, plus totals in months, days and hours. It runs entirely in your browser.
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How to use Age Calculator
- 1Select your date of birth.
- 2Read your exact age in years, months and days.
- 3See total months, days and hours below.
Exact age, down to the day
Unlike simply subtracting years, this accounts for the month and day, so leap years and partial months are handled correctly. Useful for forms, eligibility checks, or just curiosity about how many days you've been around.
Frequently Asked Questions
Does it account for leap years?
Yes — the calculation uses real calendar dates, so leap years and varying month lengths are handled correctly.
Is my birth date stored?
No. The calculation happens in your browser and nothing is uploaded or saved.