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|Medical Calculators A B C
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A-a Gradient Oxygen transfer / gas exchange.
A-a Gradient A-a Oxygen Gradient.
Absolute Neutrophil Count Calculate neutrophils (aka polymorphonuclear cells, or PMN, or granulocytes) from total white blood cell (WBC) counts, segs, and bands.
Activity Burn Rate Estimates the number of calories you will burn performing a range of activities at varying intensity levels, over a certain period of time or particular distance, taking into consideration your height and weight.
Alligation Calculator Calculator for making solutions or creams and ointments.
Aminoglycoside-Vancomycin Dosing Calculate dosing regimen for gentamicin, tobramycin, amikacin, and vancomycin.
Anion Gap AG = Na - ( Cl + HCO3 )
Anion Gap Anion gap calculator.
Anion Gap Delta Anion gap metabolic acidosis, primary metabolic alkalosis, chronic respiratory acidosis, non-acidotic high anion gap.
Arterial Oxygen Content Calculate arterial oxygen content from percent ofhemoglobin saturated with oxygen, hemoglobin level, and arterial oxygen partial pressure.
Basal Energy Expenditure The amount of energy required to maintain the normal metabolic activity of the body, i.e. respiration, maintenance of body temperature etc.
Basal Metabolic Rate The number of calories you would d burn if you stayed in bed all day.
Bayesian Statistics I Bayesian statistics from prevalence, sensitivity, and specificity.
Bayesian Statistics II Bayesian statistics from true positives, false positives, true negatives, and false negatives.
Beats and Breaths Estimates your heartbeats and breaths so far.
Blood Alcohol Level Estimates your blood alcohol level after drinking beer, wine or cocktail spirits.
Blood Osmolality Calculate blood osmolality from Na, K, glucose, and BUN concentrations.
Blood Oxygen Content Calculate blood oxygen contents from hemoglobin and oxygen saturation.
Body Mass Index Body mass index calculation from weight and height.
Body Surface Area, Body Mass Index Calculate body surface area (BSA) and body mass index (BMI).
Breast Cancer Risk Calculator Estimate your risk of breast cancer based on family history, age, and other factors.
Calories Burned Calculator Estimates how many calories you burn when you move.
Calorimetry calculation Calorimetry calculation from volume of inspired gas, expired gas, fraction of inspired oxygen, expired oxygen, expired carbon dioxide, and urinary nitrogen.
Carbohydrate Calculator Estimates for your daily dietary carbohydrate intake.
Carboplatin dosage calculator Carboplatin dosage is calculated from sex, age, weight, serum creatinine and AUC (Area Under the Curve) of carboplatin.
Cardiac Indices Calculate cardiac indices (e.g., mean arterial pressure (MAP), systemic vascular resistance index (SVRI)) from heart rate, systolic blood pressure, diastolic blood pressure, etc.
Cardiac Output Cardiac output calculation from O2 consumption, arterial and venous O2 contents, weight and height.
Catecholamine infusions Calculate catecholamine infusion for epinephrine, isoproterenol, norepinephrine, amrinone, dobutamine, and dopamine.
Cerebrospinal WBC Correction in Traumatic Lumbar Puncture Corrects CSF white count in traumatic, bloody tap.
Chest wall compliance Calculate chest wall compliance from exhaled tidal volume and end-inspiratory esophageal pressure.
Chi square calculator Chi square statistics.
Clinical Risk Index for Babies (CRIB II) Clinical Risk Index for Babies.
Clinical Significance Calculator Estimates risk reductions, odds ratio, and number needed to treat (NNT).
Code Med Sheet Generator Generate a list of code medications based on patient age and weight.
Corrected Calcium Calculator Calculate corrected calcium from serum albumin level and measured total calcium.
Cost of Smoking Determines how much you spend on cigarettes every week, month, and year--and how much you would save if you quit.
Cost of Smoking Cost of smoking monthly and yearly.
Creatinine Clearance Calculation of creatinine clearance from urine, plasma creatinine concentration and day’s volume.
Creatinine Clearance Estimate creatinine clearance from weight, age, sex, and serum creatinine concentration.
Daily fluid balance calculator General daily plan for fluid balance for continuous hemofiltration.
Daily fluids intake Calculate daily fluid intake for patients.
Daily fluids out Daily fluids out for patients.
Diabetes Type II Risk Estimates your diabetes type II risk.
Diabetic ketoacidosis Estimate needs for replacement fluids and electrolytes based on height, weight, and percentage dehydrated.
Dieting calculator Help patients lose weight by determining the recommended daily caloric intake.
Digoxin Dosing Calculator Determination of digoxin initial loading and maintenance dose.
DoseCalc Online Assists US oncology healthcare professionals in calculating individual patient doses for oncology regimens.
Dosing by Levels Calculate dosing levels for gentamicin, tobramycin, amikacin, and vancomycin.
Dosing by Levels (Quick) Calculate dosing levels for gentamicin, tobramycin, amikacin, and vancomycin.
Drip Rate Table Creation Create drip rate table for a list of drugs (e.g., Abciximab, Amrinone, Cisatracurium, etc.)
Due Date Calculator Estimates dates of conception, first trimester, second trimester, and due date.
Echo shortening faction Calculate shortening fraction from end-diastolic left ventricular diameter and end-systolic left ventricular diameter.
Echocardiography Calculate pressure distal to the obstruction from pressure proximal to the obstruction, velocity proximal to the obstruction, and velocity distal to the obstruction.
Effective static compliance Calculate effective static compliance from exhaled tidal volume, end-expiratory equalization pressure, applied PEEP, and auto-PEEP.
External Radiation Dose Calculator Calculate radiation dose from shielded gamma source.
Fat Intake Calculator Get practical estimates for your daily recommended fat intake.
Fentanyl Patch Dosage Fentanyl patches dosage determination based on current narcotic analgesic therapy.
Fiber Intake Calculator Get practical estimates for your daily dietary fiber intake.
Filtration fraction calculator Estimate degree of blood dehydration for continuous hemofiltration.
Filtration replacement fluid calculator Precise hourly fluid balance for continuous hemofiltration.
Fractional Excretion of Amylase Amylase to creatinine clearance ratio, a test for acute pancreatitis and macroamylasemia.
Fractional Excretion of Sodium Calculate fractional excretion of sodium and renal failure index.
Free water deficit Free water deficit calculator for hypernatremia.
Glomerular Filtration Rate (GFR) Modification of diet in renal disease study group. Estimates glomerular filtration rate from serum creatinine.
Half Life Calculate the half-life of a drug from two plasma levels separated by a time interval.
Heart Disease Risk Estimates 10-year risk of coronary heart disease based on sex, age, smoker, diabetes, blood pressure, cholesterol and HDL cholesterol levels.
Henderson-Hasselbach Equation Evaluation of acid-base disorders.
Hip Ratio Calculator Your hip-to-waist ratio may indicate an increased risk for heart disease and diabetes.
Hypernatremia treatment algorithm Treatment of hypovolemic, isovolemic, and hypervolemic.
Hypertonic and Normal Saline Infusion Calculator Determines the rate necessary to increase the serum sodium.
ICU Drug list generator Generate ICU drug dosage, infusion rate, and maintenance rate.
Ideal Body Weight Calculate ideal body weight from height for male and female.
Ingested Substance Blood Level Blood substance level estimation based on alcohol, weight, and amount ingested.
Intrapulmonary shunt Calculate Intrapulmonary shunt from fraction of inspired oxygen, oxygen consumption, alveolar carbon dioxide tension, etc.
Iron Dextran Calculator Determine total iron dextran required based on current hemoglobin and desired hemoglobin levels for patients.
LDL Cholesterol Goal Calculator Suggesting a goal of LDL cholesterol based on your 10-year risk of having myocardial infarction (heart attack) or coronary heart disease (CHD).
Likelihood Ratio Calculate likelihood ratio from sensitivity and specificity.
Log-odds Ratio Calculator Converts between risk factors, odds ratio, and log-odds ratio.
Lung Volume Calculator Calculate lung volume.
Magnesium Dosing Magnesium dosing required for reaching the desired magnesium level.
Mean arterial pressure Calculate mean arterial pressure from systolic pressure and diastolic pressure.
Mean arterial pressure Calculate mean arterial pressure from diastolic and systolic pressure.
Narcotic analgesic converter Calculate equivalent dose between drugs such as Codeine, Fentanyl, Hydrocodone, Hydromorphone,etc.
NTISS Neonatal Therapeutic Intervention Scoring System.
Number Needed to Treat Calculate number needed to treat (NNT) from odds ratio and patient expected event rate.
Nutrition Calculator Determine nutritional requirements for pediatric patients.
Odds Ratio Calculate odds ratio and relative risk from positives, totals of experimental and control groups.
Osmolality Calculator Osmolality calculation from sodium, glucose, Bun, and Etoh concentrations.
Osmolality estimator Calculate serum osmolality from Na, Glucose, and BUN concentrations.
Osmolarity Calculator Check whether concentration of any electrolytes added is appropriate.
Ovulation Calculator Estimates fertile days and due date if you are pregnant.
Oxygen Content Calculate the oxygen content given the PaO2, SaO2, and the hemoglobin (Hgb).
Oxygen Saturation Calculate the oxygen saturation from the pO2.
Oxygenation Index Calculate the oxygenation index given FiO2, mean airway pressure and PaO2
Oxygenation parameters Calculate oxygenation parameters (e.g. alveolar oxygen tension, arterial oxygen content) from fraction of inspired oxygen, alveolar carbon dioxide tension, etc.
Peak Flows Obtain the normal predicted average peak expiratory flow based on the height for children and adolescents (less than 20 years of age).
Pediatric Coma Scale Estimate pediatric coma scale for infants and children.
Pediatric Emergency Medications Drip Sheet Calculator Calculate drip sheet of a list of drugs (epinephrine, isoproterenol, dopamine, dobutamine, phenylephrine, milrinone, lidocaine, prostaglandin, esmolol) for pediatric emergency patients.
Pediatric index of mortality (PIM) Estimate pediatric index of mortality.
Pediatric index of mortality (PIM) Estimate pediatric index of mortality.
Pediatric index of mortality (PIM) Estimate pediatric index of mortality. Updated.
Pediatric Logistic Organ Dysfunction (PELOD) Calculate PELOD score.
Pediatric risk of mortality (PRISM) Estimate risk of mortality for pediatric patients.
Pharmacokinetics Simulator Calculate the volume of distribution and half life based on two plasma levels separated by a time interval.
Phenytoin Dosing Calculator Calculation of phenytoin dosing.
Phosphate Dosing Calculation of phosphate dosing.
Pneumothorax Degree of Collapse Calculate pneumothorax degree of collapse from lung and hemithorax diameters.
Pregnancy Due Date Calculator Estimates dates of conception, first trimester, second trimester, and due date.
Pressure Units Conversion Convert one measurement of pressure to mmHg, cmH2O, or kPa.
Protein Intake Calculator Get practical estimates for your daily dietary protein intake.
QT interval correlation Correction for EKG QT interval due to heart rate.
Radiation Units Activity, absorbed dose, dose equivalent, and exposure of radiations.
Reticulocyte Production Index The maturation of red blood cells (RBC).
Risk of mortality Estimate risk of mortality for infants and children.
Rotterdam Score Meningococcal septic shock in children.
Running calorie calculator Calculate calories burned from miles run.
Serum Osmolality Calculate serum osmolality from Na, Glucose, and BUN concentrations.
Serum Osmolality Calculate the predicted serum osmolality given the serum sodium, glucose and blood urea nitrogen.
Sodium Correction in Hyperglycemia Sodium concentration correction from glucose concentration.
Steroid converter Equivalent doses between corticosteroid such as Cortisone, Hydrocortisone, Methylprednisolone, Prednisolone.
Target Heart Rate Your Target Heart Rate, from 60 to 80 percent of the maximum your heart can beat, should be your goal 3 to 5 times a week for 20 to 60 minutes (excluding warm-ups) to maximize the health benefits of cardiovascular activity, including losing weight.
Total lung compliance Calculate lung compliance from chest wall compliance and effective static compliance.
Total Parenteral Nutrition (TPN) Calculator Calculate total parenteral nutrition from patient physical properties, stress, and protein/lipid requirements.
Transtubular Potassium Gradient (TTKG) Evaluates disorders of potassium excretion such as hyperkalemia, hypoaldosteronism, and hypokalemia.
UNOS MELD Score in Liver Disease The Model of End-stage Liver Disease, helps track the severity and urgency of patients awaiting liver transplantation.
UNOS PELD Score in Liver Disease The Model of End-stage Liver Disease in Pediatrics, helps track the severity and urgency of patients awaiting liver transplantation.
Urinary indices Calculate renal failure index (RFI) and fractional excretion of sodium (FE-Na) from urine/plasma sodium and creatinine.
Ventilation Index Calculate the ventilation index given ventilator rate, peak airway pressure, positive end-expiratory pressure, and PaCO2.
Warfarin Dosing Warfarin dosing for diseases such as prophylaxis of venous thrombosis, pulmonary embolism, valvular heart disease, etc.
Water Deficit Calculate water deficit in hypernatremia.