Premature baby corrected age calculator
Calculate a premature baby's corrected age, subtracting the weeks that were missing to reach 40 weeks of pregnancy.
How to usePremature baby's corrected age
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Premature baby corrected age calculator: what it is for
Enter the date of birth and how many weeks and days of pregnancy the baby was born at. The calculator shows the actual age and the corrected age, which is the reference for assessing a premature baby's development and growth until about age 2. Before reaching 40 corrected weeks, it shows how long is left and the current gestational age.
How to use
- Type the date of birth.
- Enter the weeks of pregnancy at birth.
- See the actual and corrected age.
When to use it
- Following developmental milestones.
- Using the right growth charts.
- Talking to the pediatrician about a premature baby.
Frequently asked questions
What is corrected age?
It's the age the baby would be if born at 40 weeks. It's calculated as the actual (chronological) age minus the weeks that were missing to complete 40 weeks of pregnancy.
Until when is corrected age used?
Generally until age 2, to assess development, growth and milestones like sitting and walking. Vaccines follow chronological age, unless the doctor advises otherwise.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.