Calculation Tools

babytree newborn

Weight Changes

Use the baby's weight in grams to calculate the percent of loss or gain.

Weight Then: Weight Now:
Percent of Change:

Length Converter

1 select a length unit from the "From" dropdown list and one from the "To" dropdown list.
2 Enter a numeric value, and click "To" button.

From To
centimeters = 1 centimeters
Enter
1

Newborn Bilirubin & Jaundice

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In the middle of the night, as you plot hours of life against a "biligraph", bilitool will keep you accurate.
Link to Bilitool.Org
Newborn Jaundice Calculations


Growth and Development Info for Parents:

Preemie Milestones

Weight Conversions & Multiple Gestations

Umbilical Cord Blood Gases

The Great American Umbilical Cord Blood Gas Challenge
As published in American Journal of Obstetrics and Gynecology 151:798, 1985 (N=146):

Normal Umbilical Cord Gas Values

Venous Arterial
pH 7.35 (± 0.05) 7.28 (± 0.05)
PCO2 38 (± 5.6) 49 (± 8.4)
PO2 29 (± 5.9) 18 (± 6.2)
BE* -4 (± 2) -4 (± 2)
HCO3 20 (± 2.1) 22 (± 2.5)