Dates & time
Age calculator
Enter a birthdate and get the exact age in years, months and days — plus total weeks, hours and minutes lived.
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Age
—
0 total days
0 total weeks
0 total months
0 total hours
0 total minutes
— days until next birthday
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How to use this tool
Computing an exact age means handling variable-length months and leap years. This tool gives age down to the day, using the birthdate as reference. It also shows days until the next birthday — handy for planning.
Concrete examples
- Born 1990-01-15 → ~36 years old in 2026
- One-month-old: ~30 days, 720 hours
- Next birthday in 120 days
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Frequently asked questions
- Is age computed to the day?
- Yes. The tool handles variable month lengths (28-31 days) and leap years. Day is the finest unit displayed.
- Why change the reference date?
- To compute an age at a specific past or future date: "how old will I be in 2030?", "how old was X in 2000?".
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