Medical scoring systems like APACHE II, SOFA, Glasgow Coma Scale, and risk assessment tools. Browse our free clinical scores tools below — all calculators are instant, accurate, and require no sign-up.
4Ts Score Calculator (HIT) — Calculate the 4Ts score for heparin-induced thrombocytopenia (HIT) probability. Classifies patients as low, intermediate, or high risk with actionable guidance.
A Body Shape Index (ABSI) Calculator — Calculate your A Body Shape Index (ABSI) and mortality risk z-score from waist circumference, height, and weight. Predicts premature death risk beyond BMI.
Aldrete Score Calculator — Calculate the Modified Aldrete Score for post-anesthesia recovery assessment. Determines PACU discharge readiness based on activity, breathing, circulation, consciousness, and SpO₂.
Alvarado Score Calculator (MANTRELS) — Calculate the Alvarado (MANTRELS) score to assess appendicitis probability. Evaluates symptoms, signs, and lab values to stratify low, intermediate, and high risk.
APACHE II Score Calculator — Calculate the APACHE II score to estimate ICU mortality risk. Uses acute physiology, age, and chronic health status to predict in-hospital death probability.
Apgar Score Calculator — Calculate the Apgar score for newborn assessment at 1, 5, and 10 minutes after birth. Evaluates appearance, pulse, grimace, activity, and respiration.
Barthel Index Calculator — Calculate the Barthel Index for Activities of Daily Living (ADL) assessment. Measures functional independence across 10 activities including feeding, bathing, mobility, and continence.
Beighton Score Calculator — Calculate the Beighton Score for joint hypermobility assessment. Tests 9 points across 5 maneuvers to evaluate generalized joint laxity and EDS screening.
Birthweight Percentile Calculator — Calculate newborn weight percentile by gestational age and sex. Classifies as SGA, AGA, or LGA with z-scores and growth reference data.
Bishop Score Calculator — Calculate the Bishop Score for cervical favorability and labor induction readiness. Assesses dilation, effacement, station, consistency, and position.
BODE Index Calculator — Calculate the BODE Index for COPD prognosis. Combines BMI, airflow obstruction (FEV₁), dyspnea (mMRC), and exercise capacity (6MWD) for mortality prediction.
Braden Scale Calculator — Calculate the Braden Scale score for pressure injury risk assessment. Evaluates sensory perception, moisture, activity, mobility, nutrition, and friction/shear.
Cardiac Index Calculator — Calculate cardiac index, cardiac output, and stroke volume index from heart rate, stroke volume, and body surface area. Classifies hemodynamic status.
Centor Score Calculator (Modified/McIsaac) — Calculate Modified Centor (McIsaac) score to estimate Group A Strep pharyngitis probability and guide strep testing and antibiotic decisions.
CHA₂DS₂-VASc Score Calculator — Calculate CHA₂DS₂-VASc score for stroke risk in atrial fibrillation. Guides anticoagulation decisions with annual stroke risk estimates.
Child Height Percentile Calculator — Calculate child height percentile by age and sex using CDC growth chart data. Includes mid-parental height prediction, z-scores, and growth classification.
Child Weight Percentile Calculator — Calculate child weight-for-age percentile using CDC growth chart data. Classifies as underweight, healthy, overweight, or obese with z-scores.
Child-Pugh Score Calculator — Calculate Child-Pugh score and class for liver cirrhosis severity. Predicts survival, perioperative mortality, and guides transplant evaluation.
Duke Treadmill Score Calculator — Calculate the Duke Treadmill Score from exercise stress test results. Estimates annual cardiac mortality risk and guides need for coronary angiography.
EASI Score Calculator — Calculate the Eczema Area and Severity Index (EASI) for atopic dermatitis. Assesses erythema, edema, excoriation, and lichenification across 4 body regions.
ECG Heart Rate Calculator — Calculate heart rate from ECG strips using RR interval, sequence, or large box methods. Classifies rate and computes RR interval, percent max HR, and QTc limits.
Fatigue Severity Scale (FSS) Calculator — Measure fatigue severity with the 9-item Fatigue Severity Scale. Assesses how fatigue affects motivation, exercise, physical functioning, work, and social life.
Epworth Sleepiness Scale (ESS) Calculator — Measure daytime sleepiness with the Epworth Sleepiness Scale. Evaluates dozing likelihood in 8 situations to screen for sleep disorders like obstructive sleep apnea.
Frailty Index Calculator — Calculate the Frailty Index from 20 deficit domains. Assesses accumulation of health deficits to classify frailty severity for surgical risk and geriatric care planning.
Fetal Weight Percentile Calculator — Estimate fetal weight using Hadlock formula from ultrasound biometry. Calculates EFW percentile, z-score, and classifies SGA/AGA/LGA.
Framingham Risk Score Calculator — Calculate 10-year cardiovascular disease risk using the Framingham Risk Score. Evaluates age, sex, cholesterol, blood pressure, smoking, and diabetes.
Gut Microbiome Score Calculator — Assess dietary support for gut microbiome health. Evaluates fiber intake, fermented foods, prebiotics, processed food avoidance, and lifestyle factors.
Head Circumference Percentile Calculator — Calculate pediatric head circumference percentile and z-score using CDC growth charts. Screens for microcephaly and macrocephaly from birth to 36 months.
HAS-BLED Score Calculator — Calculate the HAS-BLED score for major bleeding risk in atrial fibrillation patients on anticoagulation. Guides risk factor modification, not anticoagulation decisions.
HEART Score Calculator — Calculate the HEART score for chest pain risk stratification in the emergency department. Predicts 6-week major adverse cardiac events (MACE) risk.
Heart Failure Life Expectancy Calculator — Estimate survival in heart failure based on NYHA class, ejection fraction, comorbidities, and device therapy. Provides 1/3/5-year survival and median survival estimates.
Light's Criteria Calculator — Use Light's Criteria to classify pleural effusions as transudative or exudative. Calculates protein ratio, LDH ratio, and albumin gradient for differential diagnosis.
IQ Percentile Calculator — Convert IQ scores to percentile ranks, z-scores, and rarity estimates. Supports WAIS, Stanford-Binet, and Cattell scales with classification bands.
Lille Score Calculator — Calculate the Lille Model score for corticosteroid response in severe alcoholic hepatitis. Assesses 7-day bilirubin response to guide steroid discontinuation.
LRINEC Score Calculator — Calculate the Laboratory Risk Indicator for Necrotizing Fasciitis (LRINEC) score. Screens for necrotizing soft tissue infections from routine lab values.
MELD Score Calculator — Calculate MELD, MELD-Na, and MELD 3.0 scores for liver disease severity and transplant allocation. Estimates 3-month mortality and transplant priority.
LV Mass Index Calculator — Calculate left ventricular mass index from echocardiographic measurements. Classifies LV hypertrophy severity and determines LV geometry pattern.
MEWS Score Calculator — Calculate the Modified Early Warning Score (MEWS) for inpatient deterioration detection. Assesses vital signs to guide monitoring frequency and clinical escalation.
Mentzer Index Calculator — Calculate the Mentzer Index and 5 additional discrimination indices to differentiate thalassemia trait from iron deficiency anemia in microcytic anemia.
NAFLD Fibrosis Score Calculator — Calculate the NAFLD Fibrosis Score (NFS) to assess liver fibrosis severity in fatty liver disease. Also computes FIB-4 and APRI for comparison.
Morse Fall Scale Calculator — Calculate the Morse Fall Scale score to assess inpatient fall risk. Guides fall prevention interventions based on 6 evidence-based risk factors.
Osteoporosis Risk Score Calculator — Estimate 10-year fracture risk using clinical risk factors. Includes FRAX-style assessment with major osteoporotic and hip fracture risk calculation.
Oxygenation Index Calculator — Calculate Oxygenation Index (OI), P/F ratio, and A-a gradient for mechanically ventilated patients. Guides ARDS severity classification and ECMO consideration.
Pearl Index Calculator — Calculate the Pearl Index for contraceptive effectiveness. Compare failure rates across 14+ methods with perfect vs typical use data and cumulative risk projections.
Padua Prediction Score Calculator — Calculate the Padua VTE risk score for medical inpatients. Identifies hospitalized patients who benefit from thromboprophylaxis based on 11 risk factors.
Pediatric Epworth Sleepiness Scale Calculator — Assess excessive daytime sleepiness in children and adolescents using the Pediatric Epworth Sleepiness Scale. Identifies sleep disorders needing evaluation.
PERC Rule Calculator — Apply the Pulmonary Embolism Rule-Out Criteria (PERC) to safely exclude PE in low-risk patients without D-dimer testing. Eight bedside criteria assessment.
Revised Geneva Score Calculator — Calculate the Revised Geneva Score for pulmonary embolism probability. Objective, standardized PE risk assessment using 8 clinical criteria without subjective judgment.
qSOFA Score Calculator — Calculate the quick SOFA (qSOFA) score for bedside sepsis screening. Uses 3 simple criteria to identify patients at risk for poor outcomes from infection.
Shock Index Calculator — Calculate Shock Index (SI), Modified Shock Index, MAP, and pulse pressure for rapid hemodynamic assessment. Estimates hemorrhage severity and transfusion need.
Revised Trauma Score Calculator — Calculate the Revised Trauma Score (RTS) for trauma triage and prognostication. Uses GCS, systolic BP, and respiratory rate for field and hospital assessment.
SOFA Score Calculator — Calculate the Sequential Organ Failure Assessment (SOFA) score for ICU patients. Measures organ dysfunction across 6 systems and predicts ICU mortality under Sepsis-3.
SNAP-II / SNAPPE-II Score Calculator — Calculate the SNAP-II and SNAPPE-II neonatal illness severity scores. Predicts mortality risk in NICU patients using physiological data from the first 12 hours.
TIMI Score for STEMI Calculator — Calculate the TIMI risk score for ST-elevation myocardial infarction. Predicts 30-day mortality using 8 clinical variables from the InTIME-II trial.
TIMI Score for UA/NSTEMI Calculator — Calculate the TIMI risk score for unstable angina and NSTEMI. Predicts 14-day risk of death, MI, or urgent revascularization using 7 clinical variables.
Wells Score for PE Calculator — Calculate the Wells Score for pulmonary embolism probability. The most widely used PE clinical prediction rule with 7 criteria for risk stratification.
VBAC Risk Score Calculator — Calculate the probability of successful vaginal birth after cesarean (VBAC). Uses the MFMU prediction model to estimate TOLAC success based on maternal factors.