Health Calculators & Medical Tools
Explore practical health calculators for everyday wellness, fitness, nutrition, pregnancy, and clinical measurements—all in one place.
From BMI, calorie, and period tools to body fat, macro, and due date calculators, each tool is designed to make health tracking simple, fast, and easy to understand.
Choose a category below and find the calculator you need.
205 calculators
Body & Fitness
6-Minute Walk Test Calculator
A Body Shape Index (ABSI) Calculator
Adjusted Body Weight Calculator
Army Body Fat Calculator
Army Fitness Test Calculator
BMI Calculator
BMI Calculator for Children
BMI Calculator for Men
BMI Calculator for Teens
BMI Calculator for Women
BMR Calculator
Body Adiposity Index (BAI) Calculator
Body Fat Percentage Calculator
Body Frame Size Calculator
Body Roundness Index (BRI) Calculator
Body Shape Calculator
Body Surface Area (BSA) Calculator
Face Shape Calculator
Fat-Free Mass Index (FFMI) Calculator
Ideal Body Weight Calculator
Lean Body Mass Calculator
Overweight Calculator
Ponderal Index Calculator
Relative Fat Mass (RFM) Calculator
Resting Metabolic Rate (RMR) Calculator
Reverse BMI Calculator
Skinfold Body Fat Calculator
Somatotype Calculator
Target Heart Rate Calculator
TDEE Calculator
U.S. Navy Body Fat Calculator
Waist-to-Height Ratio Calculator
Waist-to-Hip Ratio Calculator
Weight Gain Calculator
Weight Loss Calculator
Weight Loss/Gain Percentage Calculator
Nutrition & Metabolism
Breastfeeding Calorie Calculator
Caffeine Calculator
Calorie Calculator
Calorie Deficit Calculator
Carbohydrate Calculator
Daily Calorie Intake Calculator
Dietary Reference Intake (DRI) Calculator
Estimated Energy Requirement (EER) Calculator
Fat Intake Calculator
Fiber Intake Calculator
Glycemic Index Calculator
Glycemic Load Calculator
IIFYM Macro Calculator
Keto Calculator
Macro Calculator
Maintenance Calorie Calculator
Meal Calorie Calculator
Micronutrient Calculator
Net Carbs Calculator
Protein Intake Calculator
Sodium in Salt Calculator
Vitamin A Calculator
Vitamin D Calculator
Vitamin Requirements Calculator
WW Points Estimate Calculator
Pregnancy & Fertility
Basal Body Temperature (BBT) Calculator
Bishop Score Calculator
Breast Pump Flange Size Calculator
Clomid Ovulation Calculator
Conception Calculator
Crown-Rump Length (CRL) Calculator
Egg Freezing Calculator
Estimated Due Date (EDD) Calculator
Fertility by Age Calculator
Fundal Height Calculator
Gestational Age Calculator
hCG Levels Calculator
Implantation Calculator
IVF Due Date Calculator
Luteal Phase Calculator
MCA Peak Systolic Velocity Calculator
Mean Sac Diameter (MSD) Calculator
Nuchal Translucency Calculator
Ovulation Calculator
Pearl Index Calculator
Period Calculator
Pregnancy Chance Calculator
Pregnancy Due Date Calculator
Pregnancy Test Date Calculator
Pregnancy VTE Risk Score Calculator
Pregnancy Weight Gain Calculator
Progesterone-to-Estrogen Ratio Calculator
Reverse Due Date Calculator
Stillbirth Risk Calculator
Twin Pregnancy Chance Calculator
VBAC Success Calculator
Heart & Cardiovascular
Ankle-Brachial Index (ABI) Calculator
Aortic Valve Area Calculator
Arterial Age Calculator
Blood Pressure Calculator
Cardiac Index Calculator
Cardiac Output Calculator
Cholesterol Ratio Calculator
Cholesterol Unit Converter
Duke Treadmill Score Calculator
ECG Heart Rate Calculator
Ejection Fraction Calculator
EROA Mitral Regurgitation Calculator
Heart Failure Life Expectancy Calculator
LDL Cholesterol Calculator
Left Ventricular Mass Calculator
LVOT VTI Cardiac Output Calculator
Mean Arterial Pressure (MAP) Calculator
Mitral Valve Area Calculator
PISA Calculator
Pulmonary Vascular Resistance (PVR) Calculator
QTc Calculator
Rate Pressure Product Calculator
Stroke Volume Calculator
VLDL Cholesterol Calculator
Kidney & Renal
Albumin-to-Creatinine Ratio (ACR) Calculator
BUN/Creatinine Ratio Calculator
Creatinine Clearance Calculator
eGFR Calculator
Fractional Excretion of Sodium (FENa) Calculator
Fractional Excretion of Urea (FEUrea) Calculator
Kidney Failure Risk Calculator
Kt/V Dialysis Calculator
Protein-to-Creatinine Ratio Calculator
S.T.O.N.E. Nephrolithometry Score Calculator
Transtubular Potassium Gradient (TTKG) Calculator
Urea Reduction Ratio (URR) Calculator
Urine Output Calculator
Diabetes & Endocrine
Lab & Clinical
Acid–Base Calculator
Anion Gap Calculator
Bicarbonate Deficit Calculator
Bladder Volume Calculator
Blood pH Calculator
Corrected Calcium Calculator
Corrected Magnesium Calculator
Drops per Minute Calculator
Free Water Deficit Calculator
IV Drip Rate Calculator
IV Flow Rate Calculator
Sperm Analysis Calculator
Risk Scores & Decision Tools
ASCVD Risk Calculator
CHA₂DS₂-VASc Score Calculator
DAPT Score Calculator
Framingham Risk Calculator
GRACE Risk Score Calculator
Gupta Perioperative Risk Calculator
HAS-BLED Score Calculator
HEART Score Calculator
Padua Prediction Score Calculator
PERC Rule Calculator
Revised Cardiac Risk Index (RCRI) Calculator
Revised Geneva Score for Pulmonary Embolism
TIMI Risk Score for STEMI
TIMI Risk Score for UA/NSTEMI
Wells Score for DVT Calculator
Wells Score for Pulmonary Embolism Calculator
Liver & Gastrointestinal
APRI Score Calculator
AST/ALT Ratio Calculator
Bariatric Surgery Weight Loss Calculator
Child-Pugh Score Calculator
FIB-4 Calculator
Gastric Sleeve Weight Loss Calculator
Lille Score Calculator
Maddrey Discriminant Function Calculator
MELD Score Calculator
NAFLD Fibrosis Score Calculator
Serum-Ascites Albumin Gradient (SAAG) Calculator
Cancer & Specialty
Sleep & Respiratory
Medication & Emergency Care
Lifestyle & Recovery
More Medical Tools
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