Health Calculators

Health Calculators for Everyone

A collection of free online health calculators for doctors, students, and patients.

BMI Calculator

Calculate your Body Mass Index using height and weight.

BMR Calculator

Estimate your Basal Metabolic Rate and energy use daily.

Calorie Calculator

Determine daily calorie needs to reach your ideal weight.

Body Fat Calculator

Measure body fat percentage using standard health formulas.

Heart Rate Calculator

Check your target and resting heart rate accurately online.

Water Intake Calculator

Calculate daily water needs based on your health stats.

Ideal Weight Calculator

Find your ideal healthy weight using age and height.

TDEE Calculator

Estimate daily calorie burn with activity and BMR inputs.

Pregnancy Calculator

Track your pregnancy due date, timeline, and fetal growth.

Ovulation Calculator

Predict your ovulation window and most fertile days easily.

Period Calculator

Track your menstrual cycle and estimate next period date.

Weight Gain Calculator

Plan healthy weight gain using calories and goals calculator.

Pregnancy Weight Gain Calculator

Monitor healthy weight gain by week during pregnancy journey.

Protein Calculator

Calculate your daily protein needs based on weight and goals.

Calories Burned Calculator

Estimate calories burned for any exercise or activity time.

Body Type Calculator

Find your body type classification: ectomorph, mesomorph, endomorph.

Conception Calculator

Estimate likely conception date based on last period cycle.

GFR Calculator

Estimate glomerular filtration rate to check kidney function.

Creatinine Clearance Calculator

Evaluate kidney health using serum creatinine and other inputs.

IBW Calculator

Find your Ideal Body Weight based on standard formulas.

Lean Body Mass Calculator

Calculate lean mass vs fat to plan workouts and diet.

BSA Calculator

Estimate your Body Surface Area using weight and height.

Lean Body Weight Calculator

Calculate lean body weight using standard clinical formulas.

BEE Calculator

Calculate Basal Energy Expenditure for accurate calorie needs.