Baby Age Calculator

Find a baby's age in months, weeks and days.

Age in weeks (weeks) 34.76

Age in days (days) 243.32

Formula: weeks = months × 4.345

Step-by-step with your numbers:

1. Values used:

2. Age in months = 8 months

4. Age in weeks = 34.76weeks

5. Age in days = 243.32days

Did we solve your problem today?

Convert baby age between months, weeks and estimated days.

The math behind it

weeks = months × 4.345 (average weeks per month).

8 months → ~34.8 weeks.

Newborn age?

Often counted in weeks until about 3 months.