Baby age, week by week
30 Weeks Old — How Many Months?
A 30-week-old baby is 210 days old — about 6 months and 27 days.
This week
Seven months near - rolling becomes transport, and their name gets a reaction.
The math
30 weeks = 210 days ≈ 6 months + 27 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 30
At 30 weeks your baby is near the 7 Months mark. Around this age, many babies:
- Scoots on their belly or starts real crawling on hands and knees
- Finds a toy even when it's half hidden
- Deeply attached to their favorite people