Health & Medical Calculators
Explore 480 calculators in health & medical calculators, organized by topic and sorted A to Z.
Blood & Lab Values (94)Calories & Nutrition (77)Body Metrics (45)Pediatrics (37)Cardiology (31)Pregnancy & Fertility (27)Emergency & Risk Scores (23)Sleep & Lifestyle Health (23)Addiction & Substance (18)Pulmonology (18)Infectious Disease & Epidemiology (17)Drug Dosage (14)Mental Health & Geriatrics (13)Kidney & Urinary (13)Diabetes & Endocrinology (9)Fluids & Electrolytes (8)Liver & Gastroenterology (8)Fitness & Military Tests (5)
Addiction & Substance
ABV Calculator (Alcohol by Volume)Alcohol Dilution CalculatorAlcohol Unit CalculatorAudit Score CalculatorAudit-C Calculator – Am I an Alcoholic?Bacon Curing CalculatorBuild Back Better CalculatorCIWA CalculatorCaffeine CalculatorCigarette Butts Cleanup CalculatorCigarette CalculatorDUDIT CalculatorDarcy Weisbach CalculatorEtG CalculatorHSI Calculator – Heaviness of Smoking IndexPlayback Speed CalculatorQuit Smoking And Save CalculatorSmoking Recovery Calculator
Blood & Lab Values
ANC Calculator without BandsANC Calculator – Absolute Neutrophil CountAbsolute Eosinophil Count CalculatorAbsolute Lymphocyte Count CalculatorAbsolute Reticulocyte Count CalculatorAcceptance Rate CalculatorAcoustic Impedance CalculatorAddiction CalculatorAlbumin Globulin Ratio CalculatorAllowable Blood Loss CalculatorAlzheimer’s Life Expectancy CalculatorArterial Blood pH CalculatorBAC Calculator (Blood Alcohol Content)Balance Transfer CalculatorBend Allowance CalculatorBerg Balance Test CalculatorBlood Donor CalculatorBlood Type CalculatorBlood Volume CalculatorBreast Cancer Recurrence Risk CalculatorBreast Cancer Risk CalculatorBuoyancy CalculatorBuoyancy Experiment CalculatorCable Impedance CalculatorCapacitive Reactance CalculatorCar Jump Distance CalculatorClearance Hole CalculatorCoefficient of Performance CalculatorCoordinate Distance CalculatorCorrected Reticulocyte Count CalculatorCovariance CalculatorCustom Dice Roller CalculatorD Distance CalculatorD100 Dice Roller CalculatorD20 Dice Roller CalculatorDIC Syndrome CalculatorDice Probability CalculatorDirect Material Price Variance CalculatorDistance Attenuation CalculatorDistance Between Two Points CalculatorDividing Radicals CalculatorDnD Dice Roller CalculatorDog Life Expectancy CalculatorEuclidean Distance CalculatorExponential Growth Prediction CalculatorFree Fall Distance CalculatorFree Fall with Air Resistance CalculatorFuel Distance CalculatorGSD Calculator – Ground Sample DistanceGame Score Calculator – Basketball Performance IndicatorHamming Distance CalculatorHubble Law Distance CalculatorHyperfocal Distance CalculatorINR CalculatorImpedance Matching CalculatorInductive Reactance CalculatorInternal Resistance CalculatorIron Deficiency CalculatorLatitude Longitude Distance CalculatorLightning Distance CalculatorLung Cancer Risk CalculatorManhattan Distance CalculatorMedical Radiation CalculatorMentzer Index CalculatorMiller Indices CalculatorMultiplying Radicals CalculatorNLR CalculatorOhm's Law Resistance CalculatorPCB Impedance CalculatorPCB Trace Resistance CalculatorPVR Calculator - Pulmonary Vascular ResistancePancake Recipe CalculatorPerfect Pancake CalculatorPerpendicular Line CalculatorPlasma Osmolality CalculatorPlasma Volume CalculatorPopulation Variance CalculatorRBC Indices Calculator | What is MCHC?RLC Impedance CalculatorRadical CalculatorRolling Resistance CalculatorSided Dice Probability CalculatorSided Dice Roller CalculatorSimplifying Radicals CalculatorSocial Distancing Calculator - CoronavirusSolenoid Inductance CalculatorStopping Distance CalculatorThermal Resistance CalculatorThree-Dimensional Distance CalculatorTransferrin Saturation CalculatorTwo Dice Probability CalculatorVariance CalculatorVenous Blood pH CalculatorWire Resistance Calculator
Body Metrics
ABSI CalculatorArmy Body Fat CalculatorBAI Calculator - Body Adiposity IndexBIMS Calculator – Brief Interview for Mental StatusBMI Calculator for KidsBMI Calculator for MenBMI Calculator for TeensBMI Calculator for WomenBMI Calculator – Body Mass IndexBMI Percentile CalculatorBMI Weight Loss CalculatorBRI Calculator – Body Roundness IndexBSA Calculator – Body Surface AreaBody Fat CalculatorBody Frame Size CalculatorBody Shape CalculatorBrick CalculatorBridge Rectifier CalculatorBrine CalculatorBrinell Hardness Number CalculatorCat BMI CalculatorDihybrid Cross Calculator - Punnett SquareDog BMI CalculatorEquilibrium Constant CalculatorFFMI Calculator (Fat-Free Mass Index)Fabric CalculatorFace Shape CalculatorGastric Sleeve Weight Loss CalculatorGeriatric BMI CalculatorIdeal Weight CalculatorLaser Brightness CalculatorLean Body Mass CalculatorNavy Body Fat CalculatorOverweight CalculatorPlug-in Hybrid Economy CalculatorPokémon GO Weight Loss CalculatorPonderal Index CalculatorPregnancy Weight Gain CalculatorSkinfold Body Fat CalculatorSobriety CalculatorThermal Equilibrium CalculatorTwin Pregnancy Weight Gain CalculatorWeight Gain CalculatorWeight Loss CalculatorWheatstone Bridge Calculator
Calories & Nutrition
Added Sugar Intake CalculatorArea of Quadrilateral CalculatorBedridden Patient Height CalculatorBeer Pong CalculatorBeer-Lambert Law CalculatorBicarbonate Deficit CalculatorBreastfeeding Calorie CalculatorBurpee Calorie CalculatorCalorie CalculatorCalorie Deficit CalculatorCalorie Intake Calculator (Simple)Calories Burned Biking CalculatorCalories Burned CalculatorCalories Burned Standing CalculatorCalories Burned Weight Lifting CalculatorCalories Burned by Heart Rate CalculatorCarb Calculator (Carbohydrates)Carbon Equivalent CalculatorCarboplatin CalculatorCarburetor CFM CalculatorCat Calorie CalculatorChilled Drink CalculatorConcrete Driveway Cost CalculatorCrude Protein CalculatorCylindrical Coordinates CalculatorDIY Sports Drink CalculatorDRI CalculatorDiabetic Ketoacidosis CalculatorDiet Risk Score CalculatorDog Nutrition CalculatorDrift Velocity CalculatorDrip Faucet CalculatorDrip Rate CalculatorEER Calculator – Estimated Energy RequirementElliptical Calorie CalculatorEngineering Notation CalculatorFENa Calculator (Fractional Excretion of Sodium)Fat Intake CalculatorFiber CalculatorFlight Carbon Footprint CalculatorFootball Calorie Calculator (World Cup Edition)Gravel Driveway CalculatorIIFYM Calculator (If It Fits Your Macros)Jump Rope Calorie CalculatorKeto CalculatorMacro CalculatorMaintenance Calorie CalculatorMeal Calorie CalculatorMicronutrient CalculatorNet Carbs CalculatorParty Drink CalculatorPerimeter of a Quadrilateral CalculatorProtein CalculatorProtein Concentration CalculatorProtein Creatinine Ratio CalculatorProtein Molecular Weight CalculatorProtein Solubility CalculatorQuadrilateral CalculatorRadiocarbon Dating Calculator (Carbon 14 Dating)Running Calorie CalculatorSalad Calories CalculatorSauna Calories Burned CalculatorSnow Shoveling Calories Burned CalculatorSodium Correction CalculatorSodium Correction Rate Calculator for Hypo- and HypernatremiaSodium Deficit CalculatorSodium in Salt CalculatorStairs Calorie CalculatorStandard Drink CalculatorSwimming Calorie CalculatorTDEE Calculator - Total Daily Energy ExpenditureThanksgiving Calories CalculatorTriathlon Nutrition CalculatorVitamin A CalculatorVitamin CalculatorVitamin D CalculatorWalking Calorie Calculator
Cardiology
Aortic Valve Area CalculatorBlood Pressure CalculatorCHA2DS2-Vasc CalculatorCardiac Index CalculatorCardiac Output CalculatorCycling Heart Rate Zone CalculatorDAPT calculatorDoppler Echo Cardiac Output CalculatorDuke Treadmill Score CalculatorECG Heart Rate CalculatorEROA - Mitral Regurgitation CalculatorFramingham Risk CalculatorGRACE CalculatorHAS-BLED CalculatorHEART Score CalculatorHeart Failure Life Expectancy CalculatorHeart Rate CalculatorHeart Rate Recovery CalculatorHeart Rate Zone CalculatorMAP Calculator (Mean Arterial Pressure)Max Heart Rate CalculatorMitral Valve Area CalculatorPISA CalculatorPediatric Blood Pressure CalculatorQTc CalculatorRCRI CalculatorStroke Volume CalculatorTIMI Score Calculator for UA/NSTEMITIMI Score for STEMI CalculatorTarget Heart Rate CalculatorTriathlon Heart Rate Training Zones Calculator
Diabetes & Endocrinology
Diabetes Risk CalculatorDiffuse Large B-cell Lymphoma Prognosis CalculatorFree Testosterone Calculator – with Bioavailable LevelsGIR calculator (Glucose Infusion Rate)Glycemic Index CalculatorGlycemic Load CalculatorHOMA-IR Calculator – Insulin ResistanceMIPI Calculator (Mantle Cell Lymphoma International Prognostic Index)QUICKI Calculator
Drug Dosage
Cefdinir Dose CalculatorDrug Half-Life CalculatorFresh Frozen Plasma Dose CalculatorHydroxychloroquine Dose CalculatorIVIG Dose CalculatorImmersed Weight CalculatorIsotretinoin Dose CalculatorLidocaine Dose CalculatorMME CalculatorRadiation Dose CalculatorTramadol For Dogs CalculatorTylenol Overdose CalculatorWarfarin Dosing CalculatortPA Calculator – Stroke Dosing
Emergency & Risk Scores
APACHE II CalculatorAlvarado Score CalculatorCentor Score Calculator (Modified/McIsaac)GCS Calculator (Glasgow Coma Scale)ICH Score CalculatorInjury Severity Score CalculatorLRINEC Score CalculatorMEWS Score CalculatorMass Percent CalculatorNIH Stroke Scale CalculatorPadua Score CalculatorPercent Composition CalculatorPercent Error CalculatorPercent Ionic Character CalculatorPercent Solution CalculatorPercent Yield CalculatorRevised Trauma Score CalculatorSAPS II Calculator: Simplified Acute Physiology II Score CalculatorSOFA Score CalculatorSepsis Calculator (Sepsis-3 Criteria)Shock Index CalculatorSofa Size CalculatorqSOFA Score Calculator
Fitness & Military Tests
Fluids & Electrolytes
Infectious Disease & Epidemiology
Angle of Incidence CalculatorAnimal Mortality Rate CalculatorCOVID-19 Mortality Risk CalculatorCOVID-19 Waste CalculatorClassroom Spacing Calculator - CoronavirusCoronavirus Mask CalculatorDenver HIV Risk Score CalculatorEvent Risk Calculator - CoronavirusHand Sanitizer Calculator - CoronavirusIncidence Rate CalculatorInfectious Disease and Epidemic Calculator (SIR Model)Mask vs. No Mask CalculatorMax Vaccine Immunity CalculatorMortality Rate CalculatorNNT CalculatorQuarantine Food Calculator - CoronavirusReopening Calculator – Coronavirus
Kidney & Urinary
Albumin Creatinine Ratio CalculatorBUN Creatinine Ratio CalculatorBladder Volume CalculatorCreatinine Clearance CalculatorEORTC Bladder Cancer Recurrence and Progression CalculatorGFR Calculator - Estimated Glomerular Filtration RateKidney Failure Risk CalculatorKidney STONE Calculator for Percutaneous NeprolithotomyPSA Density CalculatorTTKG Calculator - Transtubular Potassium GradientURR Calculator - Urea Reduction RatioUrine Anion Gap CalculatorUrine Output Calculator
Liver & Gastroenterology
Mental Health & Geriatrics
Angle of Depression CalculatorAvogadro's Number CalculatorBarthel Index CalculatorBraden Score CalculatorCharlson Comorbidity Index CalculatorDepression Screening by PHQ-2 CalculatorFrailty Index CalculatorFreezing Point Depression CalculatorGAD-7 CalculatorHappiness CalculatorMorse Fall Scale CalculatorOsteoporosis Risk CalculatorTinetti Calculator
Pediatrics
APGAR Score CalculatorBaby Age CalculatorBaby Eye Color CalculatorBaby Formula CalculatorBaby Percentile CalculatorBaby's Milk Intake CalculatorBirth Weight Percentile CalculatorChange of Base Formula CalculatorChild Pugh CalculatorCircle Formula CalculatorCost of Having a Baby CalculatorDistance Formula CalculatorDouble Angle Formula CalculatorEmpirical Formula CalculatorGorlin Formula CalculatorHead Circumference Percentile CalculatorHeight Percentile CalculatorHeron's Formula CalculatorIQ Percentile CalculatorKarvonen Formula CalculatorKt/V Calculator DaugirdasMaintenance Fluids CalculatorNewborn Hyperbilirubinemia Assessment CalculatorPECARN CalculatorParkland Formula CalculatorPediatric Blood Transfusion Volume CalculatorPediatric Blood Volume CalculatorPediatric Dose CalculatorPediatric Epinephrine Dose CalculatorPediatric GFR Calculator - Glomerular Filtration RatePercentile CalculatorPercentile Rank CalculatorQuadratic Formula CalculatorSchwarzschild Radius CalculatorString Girdling Earth CalculatorWeight Percentile CalculatorWinters' Formula Calculator
Pregnancy & Fertility
Average Collection Period CalculatorBirth Control CalculatorBishop Score CalculatorBlood Donation Due Date CalculatorCat Pregnancy CalculatorChances of Having Twins CalculatorClomid Ovulation CalculatorDog Pregnancy CalculatorFertility by Age CalculatorFetal Weight Percentile CalculatorGestational Age CalculatorGuinea Pig Pregnancy CalculatorIVF Due Date CalculatorImplantation CalculatorLuteal Phase CalculatorOrbital Period CalculatorPayback Period CalculatorPearl Index CalculatorPendulum Period CalculatorPeriod CalculatorPregnancy Countdown CalculatorPregnancy Test CalculatorReverse Due Date CalculatorSynodic Period CalculatorVTE Risk Score Calculator in PregnancyWedding Alcohol CalculatorhCG Levels Calculator
Pulmonology
BODE Index CalculatorCURB-65 CalculatorDead Space CalculatorEndotracheal Tube Size CalculatorFEV1/FVC Ratio CalculatorLight's Criteria Calculator for Pleural EffusionLung Capacity CalculatorLung Nodule Growth Rate CalculatorOxygenation Index CalculatorPERC Calculator - Pulmonary Embolism Rule-Out CriteriaPF Ratio CalculatorPeak Flow Calculator – Estimated Peak Expiratory FlowQp/Qs CalculatorRSBI Calculator - Rapid Shallow Breathing IndexRevised Geneva Score Calculator for Pulmonary EmbolismTidal Volume CalculatorVital Capacity CalculatorWells Score Calculator for Pulmonary Embolism
Sleep & Lifestyle Health
Bayes' Theorem CalculatorCentral Limit Theorem CalculatorChebyshev's Theorem CalculatorChinese Remainder Theorem CalculatorCircadian Rhythm CalculatorCircle Measurements CalculatorCircle Theorems CalculatorEpworth Sleepiness Scale CalculatorFermat's Little Theorem CalculatorForward Premium CalculatorMaterial Removal Rate CalculatorPediatric Epworth Sleepiness Scale CalculatorPythagorean Theorem CalculatorREM Sleep CalculatorRemainder CalculatorRemote vs. On-Location Workers CalculatorSTOP-BANG CalculatorSleep Cycle CalculatorTriangle Inequality Theorem CalculatorTriangle Proportionality Theorem CalculatorTriangle Sum Theorem CalculatorUgly Duckling Theorem CalculatorWake Up Calculator