Altersrechner
Ermitteln Sie Ihr genaues Alter in Jahren, Monaten und Tagen sowie die Tage bis zum nächsten Geburtstag.
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Enter a date of birth to see your exact age in years, months and days, the total number of days you have lived, and how long until your next birthday.
So funktioniert es
The calculator counts full calendar years from your date of birth, then the remaining full months, then the remaining days, up to the date you choose (today by default). Everything is computed in your browser; your date of birth is never sent anywhere.
Beispiele
- Born 15 March 1990, on 4 October 2026: 36 years, 6 months, 19 days.
- Use the Age on date field to find an age at a past or future date.
Häufige Fragen
How is age in months and days calculated?
We count completed years first, then completed months since the last birthday, then the remaining days.
Is my date of birth stored?
No. The calculation runs entirely in your browser and nothing is uploaded.
What happens if I was born on 29 February?
In non-leap years the birthday is counted on 1 March for the purpose of the days-to-birthday figure.
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