Centor / McIsaac Score Calculator
Compute the McIsaac modification of the Centor score for strep pharyngitis. Adds one point for age 3-14, removes one for...
Screening tools, body metrics, and calorie math you can trust.
BMI, body fat, BMR, and other health screening tools — clearly labelled as informational rather than diagnostic, with citations for each formula.
Compute the McIsaac modification of the Centor score for strep pharyngitis. Adds one point for age 3-14, removes one for...
Compute a cat's ideal body weight from its current weight and a 9-point Body Condition Score (BCS), assuming each point...
Compute the original Model for End-Stage Liver Disease (MELD) score from serum creatinine, total bilirubin, and INR. Use...
Compute the ABCD² score for early stroke risk after a transient ischemic attack (TIA) from age, blood pressure, clinical...
Compute the daily calorie target to achieve a chosen weekly weight-loss rate from your TDEE, using the convention that ≈...
Compute the CHA₂DS₂-VASc score, a weighted sum of risk factors used to estimate annual stroke risk in non-valvular atria...
Convert a daily dose of an opioid to its morphine milligram equivalents (MME) using CDC conversion factors. Defaults are...
Adjust a measured serum calcium for a low or high serum albumin, since most circulating calcium is bound to albumin.
Estimate the daily milk volume an infant needs based on body weight, using the standard 150-200 mL/kg/day for full-term...
Calculates Basal Metabolic Rate (BMR) using WHO/Schofield equations for adults 18–60. Sex-specific coefficients apply. M...
Calculates the Glasgow Coma Scale total score from eye opening, verbal response, and motor response to assess the depth...
Convert a daily calorie target into grams of protein, carbohydrates, and fat using a chosen macro split.
Calculates the CHA₂DS₂-VASc score to estimate annual stroke risk in atrial fibrillation patients and guides anticoagulat...
Compute the daily protein-intake target in grams from body weight and an activity-based grams-per-kg factor (0.8 sedenta...
Calculates the Wells DVT score to stratify risk: active cancer (+1), paralysis/plaster (+1), bed rest >3d (+1), along lo...
Calculates the corrected QT interval QTc = QT / √(RR), where RR = 60/HR (seconds). Normal QTc: <440 ms (male), <460 ms (...
Compute the estimated glomerular filtration rate (eGFR) using the 2021 race-free CKD-EPI creatinine equation, from serum...
Adjust a measured serum sodium upward in the presence of hyperglycaemia, using the Hillier formula (1.6 mEq/L correction...
Estimates GFR using the 4-variable MDRD formula: eGFR = 175 × (Scr)^−1.154 × (Age)^−0.203 × 0.742 (if female) × 1.212 (i...
Calculates the CURB-65 score to stratify community-acquired pneumonia severity and guide admission decisions.
Calculates Adjusted Body Weight (ABW) from Ideal Body Weight (IBW) and actual body weight, used in pharmacokinetic drug...
Compute a healthy adult's daily maintenance fluid requirement using the 30–35 mL/kg rule of thumb. Reports total mL, flu...
Estimates daily total water intake based on body weight and activity level. Uses the general guideline of 35–45 mL/kg/da...
Calculates the 1-minute and 5-minute APGAR score from the five assessment components to evaluate newborn health at birth...