Ideal Total Body Water ( TBW ) Calculation

TBW calculator is used to calculate the total desired water required for the body. Enter the patient's weight, measured Na and normal Na to get the result.

Ideal Total Body Water ( TBW ) Calculator

Patient Weight
Measured Na (mEq/L or mmol/L)
Normal Na (mEq/L or mmol/L)
Liters

TBW calculator is used to calculate the total desired water required for the body. Enter the patient's weight, measured Na and normal Na to get the result.

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Formula:

Desired total Body Water (TBW) in L= (Measured serum Na x 0.6 x weight) / Normal serum Na where, Measured serum Na = Measured amount of sodium in mEq/L or mmol/L. Normal serum na = Normal amount of sodium in mEq/L or mmol/L.

Calculation of Ideal total body water (TBW) is made easier. Free online medical calculator.

Note :This statistics calculator is presented for your own personal use and is to be used as a guide only. Medical and other decisions should NOT be based on the results of this calculator. Although this calculator has been tested, we cannot guarantee the accuracy of its calculations or results.


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