Son Doctor Medical Calculator – SonDoctor.com × BMI (Body Mass Index) Calculator Calculate BMI using height and weight Target weight for a specific BMI Height (cm): Weight (kg): Target BMI (kg/㎡) : BMI (kg/m²) Korean Standard WHO Global Standard < 18.5 Underweight Underweight 18.5 – 22.9 Normal weight Normal weight 23.0 – 24.9 Overweight Normal weight 25.0 … Read more
Medical Calculator – SonDoctor.com × Steroid Dosage Converter Calculator Select the steroid type and input the dose to see equivalent doses of other corticosteroids. This calculator helps convert between commonly used steroids including Prednisone, Dexamethasone, and Hydrocortisone. Select the steroid you want to convert: HydrocortisoneCortisonePrednisonePrednisoloneMethylprednisoloneDeflazacortTriamcinoloneBetamethasoneDexamethasoneFludrocortisone Enter the dose of the steroid to be converted (mg): … Read more
Medical Calculator – SonDoctor.com × Corrected QT (QTc) Calculator Adjust QT interval based on heart rate Bazett formula: QTc = QT / √RR Fridericia formula: QTc = QT / 3√RR Framingham formula: QTc = QT + 154 x (1 – RR) Hodges formula: QTc = QT + 1.75 x (HR – 60) Rautaharju formula: QTc … Read more
Medical Calculator – SonDoctor.com × ECG Heart Rate Calculator (Calculate BPM from RR Interval) Enter the number of small boxes (mm) between R waves. Heart Rate [bpm] = (Paper Speed [mm/sec] × 60) / RR Interval [mm] R-R interval (mm): Paper speed (mm/sec): How to Use the ECG Heart Rate Calculator
Medical Calculator – SonDoctor.com × Reverse Due Date Calculator (Estimates LMP & Gestational Age) Estimated Due Date (EDD): Menstrual Cycle Length (between 21–40 days): Date to Check Gestational Age:
Medical Calculator – SonDoctor.com × Due Date & Gestational Age Calculator EDD = LMP + 280 + (Cycle Length – 28) First Day of Last Menstrual Period (LMP): Menstrual Cycle Length (between 21–40 days): Date to Check Gestational Age: * The expected due date is calculated as 280 days from the LMP (+ adjustment if … Read more
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 × Electrolyte free water clearance (EFWC) Calculator EFWC = UV x (1-((Urine Na + Urine K) / Plasma Na)) UV : Urine flow rate (L/day) * If the 24-hour urine volume is not entered, only a POSITIVE or NEGATIVE result will be provided. Urine Na (mEq/L): Urine K (mEq/L): Plasma Na … Read more
Medical Calculator – SonDoctor.com × Free water clearance (FWC) Calculator FWC = UV x (1-(U osm / P osm)) UV : Urine flow rate (L/day) * If the 24-hour urine volume is not entered, only a POSITIVE or NEGATIVE result will be provided. Urine Osm (mOsm/kg): Plasma Osm (mOsm/kg): [Optional] 24hr Urine Volume (L/day): FWC … Read more