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Age Calculator & Days Between Dates

Compute exact age (years + months + days) from a birth date, or days between any two dates. Shows total days/weeks/hours lived, days until next birthday, weekday born.

All tools

Mode: Calculate age Days between 2 dates

Date of birth As of

Age

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Total days

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Total weeks

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Total hours

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🎂 Next birthday: —

📅 Born on a: —

Features

Age: exact years + months + days from birth date, plus total days/weeks/hours lived and days until next birthday.
Days between: count days between any two dates — useful for project deadlines, anniversaries, contracts.