Baby Age Calculator

Age in days, weeks, months + milestones

Type 8 digits (e.g. 20000101 β†’ 2000-01-01), or use the πŸ“… calendar.
FAQ
How old is my baby in days?
Enter the date of birth to see age in days, weeks and months, plus milestone dates.
When is the next birthday?
The next birthday date and its D-day countdown are shown in the milestones.
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Baby Age Calculator

Enter your baby's date of birth to see their age in days, weeks and months, along with milestone dates such as 1000 days and the next birthday with a countdown.

Vaccinations

Immunization schedules differ by country, so this tool does not include a fixed schedule β€” follow your national guidance and pediatrician.

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