Health And Medical Calculators

Below you can find an extensive collection of over 370 health calculators, tests, scores, risk stratification tools and medical algorithms designated to both patients and medical professionals.

They are made in collaboration with our partners from MDApp.

Steroid Conversion Calculator

Is able to convert from one corticosteroid medication dosage to another for oral and IV administration.

Ejection Fraction Calculator

Employs the ejection fraction formula to calculate EF in percentage based on stroke volume and EDV.

Finnegan Score For Neonatal Abstinence Syndrome (NAS) Calculator

Evaluates withdrawal symptoms in newborns and helps establish treatment and monitoring frequency.

Fat Embolism Score Calculator

Provides two diagnosis criteria, the Schonfeld FES diagnosis and Gurd's and Wilson's criteria usable in pulmonary embolism.

Patient Specific Functional Scale (PSFS) Calculator

Allows a functional assessment of disability due to pain or injury based on personalized patient activities.

Trauma Injury Severity Score (TRISS) Calculator

Trauma injury severity score (TRISS) calculator prognosticates blunt and penetrating trauma survival based on patient age, RTS and ISS results.

Simplified Acute Physiology Score (SAPS II) Calculator

Determines the severity of health at ICU admission and predicts mortality rates.

Lower Extremity Functional Scale (LEFS) Calculator

Determines functional status in patients suffering from lower extremity disorders and disabilities.

House Brackmann Scale For Facial Paralysis Calculator

Evaluates degree of palsy induced by facial nerve damage in the HB grading system.

Dynamic Gait Index Calculator

Determines fall risk in geriatric, Parkinson’s and multiple sclerosis patients based on balance and walking activities.

Detsky Modified Cardiac Risk Index Calculator

Estimates the risk of cardiovascular complications following noncardiac surgery based on patient clinical data.

Detsky Cardiac Risk Calculator In Noncardiac Surgery

Determines perioperative cardiovascular risks in patients who are about to undergo major or minor surgery.

Harris Hip Score Calculator

Determines hip function, any pain or disabilities preventing every day activities and after hip replacement surgery.

Centor Score For Strep Pharyngitis Calculator

Estimates the probability of streptococcal pharyingitis based on clinical data.

Stroke Volume Index Calculator

Estimates the quantity of blood per square meter of BSA which is stroke volume divided by body surface area.

Stroke Volume Calculator

Determines SV based on cardiac output or Doppler VTI determinations such as LVOT.

Fick Cardiac Output Calculator

Estimates the volume of blood pumped by the heart from the left ventricle in mL per minute.

Manchester Score For Small Cell Lung Cancer Calculator

Prognoses 2 year survival in patients with SCLC based on laboratory data and the Karnofsky score.

Sokal Score For CML Calculator

Prognoses survival rates in patients with chronic myeloid leukemia based on spleen size, platelet count and myeloblasts.

STONE Nephrolithometry For Kidney Stones Calculator

Evaluates the chance of renal calculi free outcome after first procedure based on x-ray findings.

Urine Output Calculator

Determines the urine output rate per kg per hour and the fluid balance based on fluid intake.

Acute Gout Diagnosis Calculator

Uses the 7 parameter rule to confirm or infirm the acute gout attack diagnosis before joint fluid aspiration.

DAS28 ESR For Rheumatoid Arthritis Calculator

Determines the RA disease activity score based on the erythrocyte segmentation rate.

DAS28 CRP For Rheumatoid Arthritis Calculator

Evaluates the RA disease activity with the help of c-reactive protein and the number of swollen, tender joints.

Absolute Lymphocyte Count (ALC) Calculator

Estimates ALC from the white blood cell count and correlates it with CD4 levels in HIV monitoring.

FLIPI Calculator For Follicular Lymphoma

Stratifies survival rate in patients diagnosed with follicular lymphoma and certain adverse outcome factors.

Fat Burning Zone Calculator

Gives you the heart rate zone in which you need to train in order to lose weight and burn fat.

PROCAM Score For Cardiovascular Risk Calculator

Stratifies cardiac risk in patients with factors such as history of MI or high cholesterol and blood pressure.

Fick Equation For Cardiac Output Calculator

Determines the cardiac output value based on oxygen content in arterial and venous blood circulation based on Flick formula.

Holmes And Rahe Stress Scale Calculator

Evaluates whether the perceived stressful life events can affect your health in the following years.

Apnea Hypopnea Index (AHI) Calculator

Evaluates the degree of apnea severity and helps in the diagnosis of obstructive sleep apnea.

Heart Rate Zone Calculator

Determines the 5 heart training zones for your fitness activity whether you want to lose weight, build strength or endurance.

Clomid Ovulation Calculator

Determines the possible ovulation date and fertility windows in the menstrual cycle of a woman using clomiphene citrate.

Alveolar Gas Equation Calculator

Determines the alveolar partial pressure of oxygen in the ventilation process to be used in the A-a gradient.

Morse Fall Scale Calculator

Aims to screen fall risk in all hospitalized patients and recommends the initiation of fall prevention procedures where adequate.

Pneumonia Severity Index (PSI) Calculator

Diagnoses community acquired pneumonia and stratifies mortality and morbidity risk through physical and laboratory findings.

Modified Ashworth Scale Calculator

Measures spasticity in patients with multiple sclerosis or with associated muscle spasticity conditions.

Beighton Score Calculator

Evaluates the existence of hyperflexibility and helps in the diagnosis of hypermobility syndromes such as EDS.

Pearl Index Calculator

Evaluates the effectiveness of a contraceptive method by taking into account the number of pregnancies occurred during the study period.

CRAFFT Screening Test

Screens for alcohol and drug abuse in adolescents based on substance abuse habits and risk factors.

FAST Alcohol Screening Test

Evaluates hazardous drinking based on four questions about drinking habits extracted from the AUDIT alcoholism method.

Murray Score For Acute Lung Injury Calculator

Assesses the need for extracorporeal membrane oxygenation (EMCO) instead of ventilation in severe acute respiratory failure. You can find more information about the score and its utility below the form.

Ankle Brachial Index (ABI) For PAD Risk Calculator

Helps in the diagnosis of peripheral arterial disease using the brachial and foot blood pressures.

NAFLD Fibrosis Score Calculator

Stratifies the degree of fibrosis to the liver in nonalcoholic fatty liver disease patients by assigning a specific stage.

MASCC Score For Febrile Neutropenia Calculator

Assesses emergency risk for patients undergoing cancer treatment and suffering from FN.

Padua Score For VTE Risk Calculator

Stratifies the risk for venous thrombembolism in hospital admitted patients with specific risk factors.

Clinical Pulmonary Infection Score (CPIS) For VAP Calculator

Assists in the diagnosis of ventilator associated pneumonia and offers risk stratification.

Norton Score For Pressure Ulcer Risk Calculator

Is used in the evaluation of sore risk based on patient factors such as mobility or physical condition.

Fecal Incontinence Severity Index (FISI) Calculator

Evaluates quality of life correlated to the level of distress due to different adult incontinence leakage.

EMTALA Emergency Medical Care Calculator

Is used to discriminate the need for urgent care based on the definition of emergency condition in the EMTALA law regulations.

ECOG Score for Performance Status Calculator

Eastern Cooperative Oncology Group (ECOG) score for performance status calculator assesses the functional status of cancer patients stratified for malignancy chemotherapy.

Karnofsky Score for Performance Status Calculator

Can be used to evaluate the cancer patient condition and his or her ability to undergo chemotherapy.

Bath Ankylosing Spondylitis Functional Index (BASFI) Calculator

Looks at how the symptoms of the autoimmune AS such as pain and stiffness affect daily activities.

Shoulder Pain And Disability Index (SPADI) Calculator

Evaluates shoulder functional impairment due to painful and debilitating conditions.

Bishop Score Calculator

Assesses the likelihood of succesful vaginal delivery and whether labor can or needs to be induced based on dilatation and other cervix factors.

Knee Injury And Osteoarthritis Outcome Score (KOOS) Calculator

Evaluates physical and functional impairment caused by knee and leg injuries.

Oswestry Disability Index (ODI) Calculator for Low Back Pain

Evaluates the severity of disability and disruption to lifestyle activities caused by LBP or leg pain.

Upper Extremity Functional Index (UEFI) Calculator

Evaluates the degree of impairment to day to day life activities like housekeeping due to upper limb disability and pain.

Brief Sexual Function Inventory (BSFI) Test For LUTS Assessment

Checks the male sexual function and any disturbance due to lower urinary tract symptoms.

Warfarin Dosing Calculator

Estimates the maintenance dose for patients with bleeding risk based on target INR and individual BSA and risk factors.

Neck Disability Index (NDI) Calculator

Assesses the degree of perceived pain neck and the disability status based on daily activities and underlying cervical spine pain.

Fat Intake Calculator

Estimates your daily fat needs based on your personal data as well as the percentage of fat in your diet and number of meals.

Carbohydrate Calculator

Estimates the daily carb needs based on gender, height and weight as well as percentage of carbs in the diet and level of activity.

Female Sexual Function Index (FSFI) Questionnaire Calculator

Evaluates and monitors woman sexual functioning as well as the level of dysfunction.

LANSS Scale for Neuropathic Pain Questionnaire Calculator

Assesses the underlying mechanisms that cause a certain pain scale and what signs the patient experiences.

Full Outline of UnResponsiveness (FOUR) Score Calculator

Evaluates 4 clinical parameters to determine the existence and level of coma in ER patients.

Insulin to Carb Ratio Calculator

Computes the number of carbohydrate grams disposed of by one unit of insulin from the prescribed diabetes treatment.

UKPDS Cardiac Risk Calculator

Assesses risk of Coronary Heart Disease with diabetes, hemoglobin A1C and cholesterol levels based on the UK Prospective Diabetes Study.

Abdominal Aortic Aneurysm (AAA) Prognosis Calculator

Abdominal aortic aneurysm prognosis calculator determines the annual expansion of the enlarged aorta, the risk of rupture and recommends treatment and surgery.

Diffusing Capacity Of The Lungs For Carbon Monoxide (DLCO) Correction For Hemoglobin In Anemia Calculator

Adapts the pulmonary testing result to Hgb based on age and gender.

DASS 21 - Depression Anxiety Stress Scale Test

DASS 21 depression anxiety stress scale test evaluates the severity of mental disorder symptoms associated to the three and provides a mild, moderate or severe result.

Expanded Disability Status Scale (EDSS) Calculator

Quantifies multiple sclerosis disability and can be used to monitor the severity of MS symptoms.

Yale Observation Scale for Infant Fever Calculator

Evaluates the febrile status in the pediatric setting in children with or without urgent presentation.

Yale Brown Obsessive Compulsive Scale (Y-BOCS) Calculator

Assesses the severity of symptoms experienced in the past week and monitors OCD evolution.

Mood Disorder Questionnaire (MDQ) for Bipolar Symptoms Calculator

Screens whether the patient suffers from bipolar disorder and should need diagnosis.

International Prostate Symptom Score (IPSS) Calculator

Evaluates the severity of urinary symptoms due to prostate enlargement in BPH.

Brief Interview for Mental Status (BIMS) Calculator

Checks the resident cognitive impairment and whether further intervention is required for dementia diagnosis.

Pediatric Early Warning Score (PEWS) Calculator

Evaluates the general condition of infants and children as an adaptation to NEWS scores for adults.

COPD Stages by GOLD Guidelines Calculator

Stratifies patients with chronic obstructive pulmonary disease according to the severity of dyspnea and FEV1 levels.

BODE Index for COPD Calculator

Diagnoses and predicts the survival outcome in patients with chronic obstructive pulmonary disease.

MRC Scale for Dyspnea Calculator

 determines the degree of dyspnea symptoms experienced and works as a breathlessness scale in COPD.

Epworth Sleepiness Scale Calculator

Evaluates the probability of the patient to suffer from a sleeping disorder, sleep apnea or narcolepsy.

Liver Injury Grading Calculator

Evaluates liver trauma severity based on hepatic hematoma and degree of laceration as based in AAST guidelines.

Splenic Laceration Grading Calculator

Determines the degree of splenic injury caused by blunt trauma based on spleen hematoma and laceration.

Red Blood Cell Distribution Width (RDW) Calculator

Determines the distribution width of RBC given the MCV value and its standard deviation.

Transtubular Potassium Gradient (TTKG) Calculator

Is based on the kidney index helping in the differential diagnosis of hyperkalemia and hypokalemia.

Pediatric Glasgow Coma Scale Calculator

Is the modified version of the standard GCS adapted for infant and child patients with head trauma.

Renal Failure Index (RFI) Calculator for Acute Tubular Necrosis

Evaluates the prerenal or renal cause of acute renal failure and helps monitor creatinine levels.

Cerebral Perfusion Pressure (CPP) Calculator

Computes the CPP value to help monitor brain oxygenation and blood perfusion based on MAP and intracranial pressure.

Stool Osmotic Gap Calculator

Discriminates between secretory and osmotic diarrhea based on the osmolar gap in mOsm per kg.

Acetaminophen Overdose with NAC Dosing Calculator

Establishes the Acetylcysteine dosing to avoid overdose hepatic risk of paracetamol and similar drugs.

Sgarbossa Criteria for Left Bundle Branch Block (LBBB) Calculator

Determines the probability of a ST elevation acute myocardial infarction diagnosis.

Revised Cardiac Risk Index (RCRI) Calculator

Estimates the risk of perioperative cardiac events to be suffered by the patient undergoing a heart operation.

Clinical Opiate Withdrawal Scale (COWS) Calculator

Evaluates the severity of withdrawal symptoms in patients after opioid use.

Opioid Risk Tool Calculator

Checks whether the patient is at risk of opioid addiction or abuse due to the medication plan they are on.

LRINEC Score for Necrotizing Soft Tissue Infection Calculator

Assesses whether the patient suffers from necrotizing fasciitis based on clinical determinations.

Hunt and Hess Scale for Subarachnoid Hemorrhage Calculator

Classifies the severity of the subarachnoid bleeding to stratify mortality risk.

San Francisco Syncope Rule Calculator

Evaluates the severity of syncope symptoms in predicting the risk of a serious life threatening outcome.