HomeMedicalPharmacologyFree water deficit – hypernatremia Free water deficit – hypernatremia Online calculator for finding the free water deficit – hypernatremia. Calculate the free water deficit – hypernatremia by the input parameters: weight, current sodium, and desired sodium. Get Calculators 2 Select typeSelect typeAdult MaleAdult FemaleElderly MaleElderly FemaleChild WeightkgWeight Current sodium (Na)mEq/LCurrent sodium (Na) Desired sodium (Na)mEq/LDesired sodium (Na) CalculateReset Free water deficitFree water deficit Get Result on email Send the result to an email 0 Number of calculations | 0 Likes Copy Link Print Result