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IBW(male) = 50 kg + 2.3 kg x (# inch over 5 ft) OR 50kg + 0.9 kg x (# cm over 150cm)  

IBW(female) = 45.5 kg + 2.3 kg x (# inch over 5 ft) OR 45.5kg + 0.9 kg x (# cm over 150cm)

Dosing Weight  = IBW + 0.4(actual weight - IBW)  (calculated only if actual weight is > 20% more than IBW)

CrCl = (140-Age)x1.2xWeight (Kg)/Serum Cr(umol/L)  (x 0.85 for female).   

Note: when height is not available, actual body weight is used instead of IBW which will give less accurate estimation of CrCl.  If only height is entered,  IBW will be calculated.

Body Surface Area (BSA) DuBois = 0.20247 x Height(m)0.725 x Weight(kg)0.425  (m) 

BSA (Mosteller) = ( [Height(cm) x Weight(kg) ]/ 3600 )   

BSA (Haycock) = 0.024265 x Height(cm)0.3964 x Weight(kg)0.5378

BSA (Gehan/George) = 0.0235 x Height(cm)0.42246 x Weight(kg)0.51456

BSA (Boyd) = 0.0003207 x Height(cm)0.3 x Weight(grams)(0.7285 - ( 0.0188 x LOG(grams) )

Creatinine Clearance, Dosing Weight and BSA Calculator

Height (optional for CrCl)
cm
ft    inch
Age (year)

Weight

Serum Cr

Gender

  

IBW = Kg

BSA = m  

Weight is %  >  IBW

Dosing Weight = Kg

Creatinine Clearance (CrCl) = mL/min

 

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