Baby age, week by week
8 Weeks Old — How Many Months?
A 8-week-old baby is 56 days old — about 1 month and 26 days.
This week
The two-month checkup and first shots land near this week for many families.
The math
8 weeks = 56 days ≈ 1 month + 26 days
A month is longer than 4 weeks — on average 30.44 days — so you can't just divide by 4. The exact answer shifts a little with the calendar, so for the day-perfect number, use the calculator with your baby's real birthday.
Get the exact age →What babies do around week 8
At 8 weeks your baby is near the 2 Months mark. Around this age, many babies:
- Holds their head up at a 45-degree angle during tummy time
- Follows a toy with their eyes all the way from side to side
- Smiles back at you - real smiles, on purpose