GSD Calculator: Estimate Gestational Age from Gestational Sac Diameter

Calculate Gestational Age Using GSD

Enter the measurement of the gestational sac in millimeters.

Unlock the secrets of early pregnancy with our intuitive GSD Calculator. Quickly estimate gestational age from your gestational sac diameter measurement, a crucial metric for prenatal assessment. Better understand your baby's developmental journey.

Formula:

GA (days) = GSD (mm) + 30
GA (weeks) = (GSD (mm) + 30) / 7

Where:
GA = Gestational Age
GSD = Gestational Sac Diameter (in millimeters)

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