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Age Calculator

Age Calculator — Exact Age in Years, Days & Hours

Calculate your exact age in years, months and days from your date of birth — plus total days lived and countdown to your next birthday.

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🎂 Enter Your Date of Birth

📊 Your Age

Select your date of birth
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Disclaimer: This tool is provided for convenience and general estimation purposes. Results are computed entirely in your browser — no data you enter is sent to or stored on our servers.

How Exact Age Is Calculated

This calculator finds the precise difference between your date of birth and today (or any chosen date), correctly accounting for varying month lengths and leap years to give an accurate years/months/days breakdown — not just a simple year subtraction, which can be off by a year around your birthday.

Worked Example

Someone born on 15 June 1995, checking their age on 4 August 2026: exact age = 31 years, 1 month, 20 days — having lived 11,373 days (1,624 weeks, or 272,952 hours), born on a Thursday, with their next birthday 315 days away.

Frequently Asked Questions

Subtracting birth year from the current year only works correctly if your birthday has already occurred this year — otherwise it overstates your age by one year. This calculator does a full date-aware calculation that correctly handles the exact month and day, not just the year.
Yes — this calculator accepts any target date, useful for calculating age as of a specific event, legal deadline, or eligibility cutoff (school admission, retirement eligibility, competition age brackets, etc.), not just your current age.
Yes — the calculation uses actual calendar date arithmetic (via native date handling), which correctly accounts for February 29th in leap years when computing total days lived and the years/months/days breakdown.
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