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How do you calculate total body water?
How do you calculate total body water (TBW)?
How to calculate total body water (Watson formula)?
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What is the total body water calculator for adults?
Jul 30, 2024 · There are two ways to calculate total body water from weight: To estimate the body water content knowing that the average adult male is 60% of water, and average adult female - 50%. If you know a person's age and height, you can use P.E. Watson's formula. For males: TBW = 2.447 - 0.09156 × A + 0.1074 × H + 0.3362 × W. For females:
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How To Calculate Total Body Water? Total Body Water (TBW) can be estimated using various formulas tailored to different demographics. [1] Here are the commonly used formulas: Watson Formulas: For Men: TBW (liters) = 2.447 – (0.09156 × age) + (0.1074 × height in cm) + (0.3362 × weight in kg)
- Watson Formulas
- Hume-Weyers Formulas
- Mellits-Cheek Formulas Specifically Designed For Use in Children
Male TBW = 2.447 - (0.09156 x age) + (0.1074 x height) + (0.3362 x weight)Female TBW = -2.097 + (0.1069 x height) + (0.2466 x weight)Male TBW = (0.194786 x height) + (0.296785 x weight) - 14.012934Female TBW = (0.34454 x height) + (0.183809 x weight) - 35.270121Boys TBW (height < 132.7 cm) = -1.927 + 0.465 x weight + 0.045 x heightBoys TBW (height > 132.7 cm) = -21.993 + 0.406 x weight + 0.209 x heightGirls TBW (height < 110.8 cm) = 0.076 + 0.507 x weight + 0.013 x heightGirls TBW (height > 110.8 cm) = -10.313 + 0.252 x weight + 0.154 x heightWatson formula. For males: TBW = 2.447 - 0.09156 × age + 0.1074 × height + 0.3362 × weight. For females: TBW = -2.097 + 0.1069 × height + 0.2466 × weight. where: age in years, height in centimeters, weight in kilograms. Interpreting your Total Body Water results.
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The calculated TBW percentage can give you an estimate of your body’s water content relative to your total weight. Generally, a healthy TBW percentage range is around 50-65% for men and 45-60% for women.
1. Height? 2. Weight? 3. Sex? 4. Age? About. Total body water can be estimated using the following classic formulae: For males. Total Body Water (TBW) = 2.447 - 0.09516 X age + 0.1074 X height + 0.3362 X weight. Water in Litres. Age in years. Height in cm. Weight in kg. For females. TBW = -2.097 + 0.1069 X height + 0.2466 X weight. Water in Litres.
Oct 3, 2024 · The total body water is calculated using the following equations: \[ WW = \frac{2}{3} \times BW \] \[ WV = \frac{BW}{62.4} \] where: \(WW\) represents the water weight in pounds, \(BW\) is the total body weight in pounds, \(WV\) is the water volume in cubic feet. Example Calculation