Free Medical Calculators

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BMI Calculator

Body Mass Index

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Period Date Calculator

Next Period Predictor

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Ovulation Calculator

Fertile Window Finder

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Pregnancy Due Date Calculator

EDD Calculator

Women's Health 📅

Pregnancy Week Calculator

How Many Weeks Pregnant

Women's Health 💚

Fertile Days Calculator

Best Days to Conceive

Women's Health 🧬

IVF Due Date Calculator

IVF Embryo Transfer EDD

Women's Health 🌙

Menopause Age Predictor

When Will I Hit Menopause?

Women's Health 🔬

Implantation Date Calculator

When Does Implantation Happen?

Women's Health 👶

Postpartum Recovery Timeline

Recovery After Birth

Women's Health 📏

Body Fat Percentage Calculator

Navy Method Body Fat

Body Metrics 🎯

Ideal Body Weight Calculator

Your Target Weight Range

Body Metrics 🔥 Popular

BMR Calculator

Basal Metabolic Rate

Body Metrics ⚡ Popular

TDEE Calculator

Total Daily Energy Expenditure

Body Metrics 📉

Calorie Deficit Calculator

Weight Loss Calorie Target

Body Metrics 💧

Water Intake Calculator

Daily Hydration Target

Body Metrics 💪

Lean Body Mass Calculator

Fat-Free Mass Estimator

Body Metrics 📐

Waist-to-Hip Ratio Calculator

Cardiovascular Risk Indicator

Body Metrics 🧮

Body Surface Area Calculator

BSA for Drug Dosing

Body Metrics ❤️

Target Heart Rate Calculator

Exercise Intensity Zones

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Blood Pressure Category Checker

Is My Blood Pressure Normal?

Heart & Cardio 💓

Resting Heart Rate Fitness Score

Cardiovascular Fitness Level

Heart & Cardio 🧠

Stroke Risk Calculator

10-Year Stroke Risk (Framingham)

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Heart Age Calculator

Your Heart's True Age

Heart & Cardio 🏃

VO2 Max Estimator

Aerobic Fitness Capacity

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Baby Growth Percentile Calculator

WHO Child Growth Standards

Pediatric & Growth 🧒

Child BMI Calculator

BMI-for-Age Percentile

Pediatric & Growth 📏 Popular

Child Height Predictor

How Tall Will My Child Be?

Pediatric & Growth 🍼

Newborn Feeding Calculator

How Much Should My Baby Eat?

Pediatric & Growth 💉

Baby Vaccine Schedule Calculator

Immunization Timeline

Pediatric & Growth 💊

Drug Dosage Calculator

mg/kg Dose Calculator

Clinical & Medication 🫘

eGFR Calculator

Estimated Glomerular Filtration Rate

Clinical & Medication 🧪

Creatinine Clearance Calculator

Cockcroft-Gault Formula

Clinical & Medication ⚗️

Anion Gap Calculator

Metabolic Acidosis Workup

Clinical & Medication 🩸

IV Drip Rate Calculator

mL/hr and Drops/min

Clinical & Medication 🔄

Opioid Conversion Calculator

Equianalgesic Dose Calculator

Clinical & Medication 💉

INR / Warfarin Dose Estimator

Anticoagulation Management

Clinical & Medication 😴 Popular

Sleep Cycle Calculator

Wake Up Refreshed Every Time

Mental Health & Sleep 🔥

Burnout Score Calculator

Are You Burned Out?

Mental Health & Sleep 🧠 Popular

Anxiety Level Checker (GAD-7)

Generalized Anxiety Disorder Scale

Mental Health & Sleep 💙

Depression Screening (PHQ-9)

Patient Health Questionnaire

Mental Health & Sleep 😰

Stress Load Calculator

Holmes-Rahe Life Stress Scale

Mental Health & Sleep 🥗 Popular

Macro Calculator

Protein, Carbs & Fat Targets

Fitness & Nutrition 🥩 Popular

Protein Intake Calculator

Daily Protein Target

Fitness & Nutrition 🏋️

One Rep Max Calculator

1RM Strength Calculator

Fitness & Nutrition 🏃

Running Pace Calculator

Pace, Speed & Finish Time

Fitness & Nutrition ⏱️ Popular

Intermittent Fasting Calculator

Eating Window Planner

Fitness & Nutrition 🔁

Reverse Due Date Calculator

When Did I Conceive?

Women's Health 🔥

Calories Burned Calculator

Exercise Calorie Burn Estimator

Fitness & Nutrition 🍺

Blood Alcohol Content Calculator

BAC Estimator

Clinical & Medication 🩸 Popular

Type 2 Diabetes Risk Calculator

FINDRISC Diabetes Risk Score

Clinical & Medication 📊

Cholesterol Ratio Calculator

Cardiac Risk from Lipid Panel

Heart & Cardio ☀️

Vitamin D Sun Exposure Calculator

How Much Sun Do I Need?

Body Metrics 🫀 Popular

ASCVD Risk Calculator

10-Year Heart Disease Risk

Heart & Cardio ❤️

CHA2DS2-VASc Score Calculator

Atrial Fibrillation Stroke Risk

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HAS-BLED Score Calculator

Bleeding Risk in Anticoagulation

Heart & Cardio 🫁

Wells Score for PE Calculator

Pulmonary Embolism Probability

Clinical & Medication 🦵

Wells Score for DVT Calculator

Deep Vein Thrombosis Probability

Clinical & Medication 🧠

Glasgow Coma Scale Calculator

GCS Eye, Verbal, Motor Score

Clinical & Medication 📈

QTc Calculator

Corrected QT Interval

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Mean Arterial Pressure Calculator

MAP from Blood Pressure

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Pulse Pressure Calculator

Systolic Minus Diastolic

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Shock Index Calculator

Heart Rate / Systolic BP

Clinical & Medication 🧪

Corrected Calcium Calculator

Albumin-Corrected Calcium

Clinical & Medication 🧂

Corrected Sodium Calculator

Sodium Correction for Hyperglycemia

Clinical & Medication 💧

Sodium Correction Rate Calculator

Change in Sodium per Hour

Clinical & Medication 🧫

Serum Osmolality Calculator

Calculated Osmolality

Clinical & Medication 📉

LDL Cholesterol Calculator

Friedewald LDL Estimate

Heart & Cardio 📊

Triglyceride HDL Ratio Calculator

TG/HDL Metabolic Marker

Heart & Cardio 🩸

A1C to eAG Calculator

Average Glucose from HbA1c

Clinical & Medication 🔁

Blood Sugar Converter

mmol/L to mg/dL

Clinical & Medication 🧬

HOMA-IR Calculator

Insulin Resistance Estimate

Clinical & Medication 💉

Insulin Dose Calculator

Total Daily Dose Estimate

Clinical & Medication 📏

Waist-to-Height Ratio Calculator

Central Obesity Screening

Body Metrics ⚖️

Ponderal Index Calculator

Weight Relative to Height Cubed

Body Metrics 📐

A Body Shape Index Calculator

ABSI Body Shape Estimate

Body Metrics ⭕

Body Roundness Index Calculator

BRI from Waist and Height

Body Metrics 📉

Weight Loss Percentage Calculator

Percent Body Weight Lost

Fitness & Nutrition 🍽️ Popular

Daily Calorie Needs Calculator

Maintenance, Loss, or Gain Calories

Fitness & Nutrition 🛋️

Resting Metabolic Rate Calculator

RMR Estimate

Fitness & Nutrition 💪

FFMI Calculator

Fat-Free Mass Index

Fitness & Nutrition 💗

Karvonen Heart Rate Calculator

Heart Rate Reserve Zones

Fitness & Nutrition 🫀

Cardiac Output Calculator

Heart Rate x Stroke Volume

Heart & Cardio 📋

Cardiac Index Calculator

Cardiac Output Adjusted for BSA

Heart & Cardio 👶

Apgar Score Calculator

Newborn Assessment Score

Pediatric & Growth ⚖️

BMI Prime Calculator

BMI Relative to 25

Body Metrics 🤰

Gestational Age Calculator

Weeks Pregnant from LMP

Women's Health 🌱

Conception Date Calculator

Estimate When Conception Happened

Women's Health 🔬

Corrected Reticulocyte Count Calculator

Retic Count Adjusted for Hematocrit

Clinical & Medication 🧫

Absolute Neutrophil Count Calculator

ANC from WBC Differential

Clinical & Medication 🟤

MELD Score Calculator

Liver Disease Severity Estimate

Clinical & Medication 📋

Child-Pugh Score Calculator

Chronic Liver Disease Class

Clinical & Medication 🫁

CURB-65 Calculator

Pneumonia Severity Score

Clinical & Medication 🗣️

Centor Score Calculator

Strep Throat Probability

Clinical & Medication 😴

Epworth Sleepiness Scale Calculator

Daytime Sleepiness Score

Mental Health & Sleep 🛌

STOP-BANG Score Calculator

Sleep Apnea Risk Screen

Mental Health & Sleep 🌙

AHI Calculator

Apnea-Hypopnea Index

Mental Health & Sleep 🚬

Pack Years Calculator

Smoking Exposure Estimate

Clinical & Medication 🤱

Bishop Score Calculator

Cervical Readiness Score

Women's Health 💧

Maintenance Fluid Calculator

Holliday-Segar Estimate

Clinical & Medication