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Total Body Water / Urea Volume of Distribution

Height : Weight :
Age : years Gender :
Diabetes?
Total Body of Water
: 		liters

Watson : 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)
Hume-Weyers : Male TBW = (0.194786 x height) + (0.296785 x weight) - 14.012934
Female TBW = (0.34454 x height) + (0.183809 x weight) - 35.270121
Chertow's Bioelectrical Impedance:
TBW = ht x (0.0186104 x wt + 0.12703384) + wt x (0.11262857 x male + 0.00104135 x age - 0.00067247 x wt - 0.04012056) - age x (0.03486146 x male + 0.07493713) - male x 1.01767992 + diabetes x 0.57894981
Mellits-Cheek (kids) : Boys TBW = -1.927 + 0.465 x weight + 0.045 x height, for height < 132.7 cm
= -21.993 + 0.406 x weight + 0.209 x height, for height > 132.7 cm
Girls TBW = 0.076 + 0.507 x weight + 0.013 x height, for height < 110.8 cm
= -10.313 + 0.252 x weight + 0.154 x height, for height > 110.8 cm