Baby Age Calculator

Enter your baby's birth date to see their age in months, weeks and days, and which monthly milestone card is next. Nothing you type leaves your device.

Birth date

Due date calculator

Enter the first day of your last period. The estimate adds 280 days, the standard rule of thumb.

First day of last period

Make a card for every month

Once you know the age, print a card to mark it. Our monthly milestone card maker covers newborn to three years, and the baby stats card is a keepsake for the day of birth.