Medical calculators and tools for general health, nutrition, and wellness. Useful for daily practice by doctors, students, and healthcare professionals.
Medical Calculator – SonDoctor.com × Total body water (TBW) Calculator Watson Formula: TBW(Male) = 2.447 – (0.09516 × G) + (0.1074 × H) + (0.3362 × W) TBW(Female) = -2.097 + (0.1069 × H) + (0.2466 × W) Hume-Weyers Formula: TBW(Male) = (0.194786 × W) + (0.296785 × H) – 14.012934 TBW(Female) = (0.344547 × … Read more
Medical Calculator – SonDoctor.com × Gatt (Drop Rate) Calculator (mL/hr ↔ gtt/min) mL/hr → gtt/min gtt/min → ml/hr Infusion rate to convert (mL/hr): Infusion rate to convert (gtt/min): Drop Factor (gtt/mL): * A drop factor of 20 gtt/mL means 20 drops equal 1 mL. Check the IV set packaging. Listen to Drip Rate :
Medical Calculator – SonDoctor.com × Infusion Rate Conversion (mcg(mg)/kg/min(hr) ↔ mL/hr) In a solution of a mg drug mixed in b mL fluid: C [mL/hr] = ((60 b)/(1000 a)) x D [mcg/kg/min] x Weight[kg] 〈 Infusion Composition 〉 Solute amount (mg) : Total fluid volume (mL) : [Optional] Drop Factor (gtt/mL) : ※ If provided, … Read more
Medical Calculator – SonDoctor.com × Daily Energy Requirement Calculator (Harris-Benedict, Mifflin-St Jeor equation) BEE (Basal Energy Expenditure) Calculated by Harris-Benedict or Mifflin-St Jeor equations. Harris-Benedict equation (1919) Male: 66.5 + (13.75 × weight kg) + (5.003 × height cm) − (6.755 × age) Female: 655.1 + (9.563 × weight kg) + (1.850 × height cm) … Read more
Medical Calculator – SonDoctor.com × Infusion Rate Conversion (mL/hr ↔ mcg/min) In a solution of a mg drug mixed in b mL fluid: C [mL/hr] = {(60 × b) / (1000 × a)} × D [mcg/min] 〈 Infusion Composition 〉 Solute amount (mg) : Total fluid volume (mL) : mL/hr → mcg/min mcg/min → mL/hr … Read more
Medical Calculator – SonDoctor.com X Ideal Body Weight (IBW) Calculator IBW : Ideal body weight ABW : Adjusted body weight Obesity Index (%) = (Actual Weight / IBW) × 100 Height (cm) : [Optional] Actual Weight (kg) : Male | Female Obesity Index 120–140% : Mild Obesity 140–200% : Moderate Obesity Over 200% : Severe … Read more
Medical Calculator – SonDoctor.com × BSA Calculator (Mosteller Formula) BSA (Mosteller) : √[(Height(cm) × Weight(kg)) / 3600] Height (cm) : Weight (kg) : Medical Calculator – SonDoctor.com × BSA Calculator (Multiple Formula Comparison) Mosteller: √((Ht × Bwt) / 3600) Du Bois: 0.007184 × Bwt0.425 × Ht0.725 Haycock: 0.024265 × Bwt0.5378 × Ht0.3964 Gehan and George: … Read more