4Ts Score Calculator (HIT)
Calculate the 4Ts score for heparin-induced thrombocytopenia (HIT) probability. Classifies patients into low, intermediate, or high pretest-probability bands.
Free Clinical Scores Calculators
58 toolsMedical scoring systems like APACHE II, SOFA, Glasgow Coma Scale, and risk assessment tools. Browse our free clinical scores tools below — no sign-up required.
A Body Shape Index (ABSI) Calculator
Calculate your A Body Shape Index (ABSI) from waist circumference, height, and weight, plus a rough reference z-score for educational comparison.
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 using sensory, moisture, activity, mobility, nutrition, and friction or shear subscales.
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 the Modified Centor (McIsaac) score to review Group A strep likelihood context from symptoms and age.
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. Shows percentile, z-scores, and BMI context for ages 2-20 years.
Child-Pugh Score Calculator
Calculate Child-Pugh score and class for cirrhosis severity. Includes class assignment plus historic survival and perioperative risk context.
Diet Risk Score Calculator
Review diet habits across 8 categories with a simplified educational nutrition checklist.
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 using the standard 4-region weighted scoring method.
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.
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.
Fatigue Severity Scale (FSS) Calculator
Measure self-reported fatigue burden with the 9-item Fatigue Severity Scale and its mean 1-to-7 score.
Fetal Weight Percentile Calculator
Estimate fetal weight using the Hadlock formula from ultrasound biometry. Shows EFW plus an approximate gestational-age percentile reference.
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.
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
Review gut-health-related diet and lifestyle habits with a simplified educational checklist.
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.
Head Circumference Percentile Calculator
Calculate pediatric head circumference percentile and z-score as a quick LMS-based screening reference for birth to 36 months.
Heart Failure Life Expectancy Calculator
Review heart-failure prognosis context using NYHA class, ejection fraction, comorbidities, natriuretic-peptide level, and device status in an educational worksheet.
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.
IQ Score Percentile Converter
Convert a reported IQ-style score into percentile and z-score terms using the selected scale mean and standard deviation.
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.
Lille Score Calculator
Calculate the Lille Model score for early bilirubin response in severe alcoholic hepatitis and review the result as prognostic context after the first treatment week.
LRINEC Score Calculator
Calculate the Laboratory Risk Indicator for Necrotizing Fasciitis (LRINEC) score. Screens for necrotizing soft tissue infections from routine lab values.
LV Mass Index Calculator
Calculate left ventricular mass index from echocardiographic measurements. Classifies LV hypertrophy severity and determines LV geometry pattern.
MELD Score Calculator
Calculate MELD, MELD-Na, and MELD 3.0 scores for liver disease severity and 3-month mortality-oriented reference context.
Mentzer Index Calculator
Calculate the Mentzer Index and 5 additional discrimination indices to differentiate thalassemia trait from iron deficiency anemia in microcytic anemia.
MEWS Score Calculator
Calculate the Modified Early Warning Score (MEWS) for inpatient deterioration detection and place the result in common ward-monitoring context bands.
Morse Fall Scale Calculator
Calculate the Morse Fall Scale score to assess inpatient fall risk across six standard bedside factors.
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.
Osteoporosis Risk Score Calculator
Estimate fracture risk from common osteoporosis risk factors with a simplified educational screening checklist.
Oxygenation Index Calculator
Calculate Oxygenation Index (OI), P/F ratio, and A-a gradient for mechanically ventilated patients. Adds pressure-aware oxygenation context alongside standard gas-exchange measures.
Padua Prediction Score Calculator
Calculate the Padua VTE risk score for medical inpatients. Uses 11 risk factors to frame short-term hospital VTE risk and prevention discussions.
Pearl Index Calculator
Calculate the Pearl Index for contraceptive failure rate per 100 women-years and compare typical versus perfect use.
Pediatric Epworth Sleepiness Scale Calculator
Screen for daytime sleepiness in children and adolescents with an Epworth-style 8-item questionnaire and raw total score.
PERC Rule Calculator
Review the Pulmonary Embolism Rule-Out Criteria (PERC) and see whether all eight bedside criteria are absent in a low-risk worksheet setting.
qSOFA Score Calculator
Calculate the quick SOFA (qSOFA) score for bedside infection-risk assessment. Uses 3 simple criteria to flag patients with suspected infection who may need broader reassessment.
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.
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.
Shock Index Calculator
Calculate Shock Index (SI), Modified Shock Index, MAP, and pulse pressure for rapid hemodynamic assessment. Includes hemorrhage-context bands and transfusion-risk discussion.
SNAP-II / SNAPPE-II Score Calculator
Calculate SNAP-II and SNAPPE-II neonatal illness-severity scores using the worst values from the first 12 hours after NICU admission.
SOFA Score Calculator
Calculate the Sequential Organ Failure Assessment (SOFA) score across six organ systems and review mortality-oriented severity context.
TIMI Score for STEMI Calculator
Calculate the TIMI STEMI score as a bedside prognostic summary using the original fibrinolytic-era 30-day mortality framework.
TIMI Score for UA/NSTEMI Calculator
Calculate the TIMI UA/NSTEMI score as a bedside prognostic summary using the original 14-day composite event framework.
VBAC Risk Score Calculator
Estimate VBAC success with a legacy Grobman-style counseling model, framed as discussion support rather than a stand-alone eligibility rule.
Wells Score for PE Calculator
Calculate the Wells Score for pulmonary embolism probability. Summarizes the standard 7 criteria into low, moderate, or high pretest-probability bands.