Health
Assess your health metrics like BMI, body fat percentage, and biological age.
A1C to AVG Glucose (eAG)
Free A1C to average glucose calculator to convert your HbA1c percentage to estimated average blood glucose (eAG) in mg/dL or mmol/L. Track diabetes management.
Age Calculator
Free age calculator to find your exact age in years, months, and days from your date of birth. Also shows your age in weeks, hours, and total days lived.
BMI Calculator
Free BMI calculator to compute your Body Mass Index from height and weight. Instantly see your BMI category: underweight, normal, overweight, or obese.
BMR Calculator
Free BMR calculator to estimate your Basal Metabolic Rate — the calories your body burns at rest. Uses the Mifflin-St Jeor equation for accurate results.
Body Fat Calculator
Free body fat calculator to estimate your body fat percentage based on BMI, age, and gender. Understand your body composition and set fitness goals.
Daily Calorie Calculator
Free daily calorie calculator to estimate how many calories you need per day based on age, weight, height, and activity level. Plan your diet effectively.
Cardiac Output Calculator
Free cardiac output calculator to compute cardiac output from heart rate and stroke volume. Essential for cardiology, nursing, and medical students.
Pediatric Dosage Calculator
Free pediatric dosage calculator to determine safe drug doses for children based on body weight. Helps parents and healthcare providers ensure accurate dosing.
GFR / Creatinine Clearance Calculator
Free GFR and creatinine clearance calculator using the Cockcroft-Gault equation. Estimate kidney function from age, weight, and serum creatinine levels.
Target Heart Rate Calculator
Free target heart rate calculator to find your maximum heart rate and optimal training zones for fat burn, cardio, and peak performance based on your age.
Mean Arterial Pressure (MAP)
Free Mean Arterial Pressure (MAP) calculator to compute MAP from systolic and diastolic blood pressure readings. Monitor cardiovascular health accurately.
Pregnancy Due Date Calculator
Free pregnancy due date calculator to estimate your baby's expected delivery date based on your last menstrual period (LMP). Track your pregnancy timeline.
SpO2 Calculator
Free SpO2 calculator to compute your oxygen saturation percentage from oxygenated and deoxygenated hemoglobin levels. Monitor respiratory health at home.
VO2 Max Calculator
Free VO2 Max calculator to estimate your maximum oxygen uptake using the heart rate ratio method. Assess your cardiovascular fitness level accurately.
Water Intake Calculator
Free water intake calculator to find your recommended daily water consumption based on body weight and activity level. Stay properly hydrated every day.