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Fitness & Health Calculators

Calculate your health metrics with our comprehensive collection of fitness calculators

A person measuring their waist

BMI Calculator

Calculate your Body Mass Index to determine if you're in a healthy weight range.

Body Mass Health Index
Person resting after a workout

BMR Calculator

Calculate your Basal Metabolic Rate - the number of calories your body burns at rest.

Metabolism Diet Planning
Woman running on a track

TDEE Calculator

Calculate your Total Daily Energy Expenditure including your activity level.

Activity Level Calorie Goals
Close-up of a heart rate monitor on a wrist

Heart Rate Zone Calculator

Determine your optimal heart rate zones for different training intensities.

Cardio Training
Athlete breathing heavily during a workout

VO2 Max Calculator

Estimate your maximum oxygen uptake to measure cardiovascular fitness and endurance.

Endurance Performance
A healthy meal with fruits and vegetables

BEE Calculator

Calculate your Basal Energy Expenditure using medical formulas for nutritional assessment.

Clinical Energy Needs
Doctor reviewing lab results

LDL Cholesterol Calculator

Calculate your Low-Density Lipoprotein (LDL) cholesterol, also known as "bad" cholesterol, with the Friedewald equation.

Lab Results Heart Health
Medical professional with a stethoscope
Clinical

Cardiac Index Calculator

Assess heart performance by relating cardiac output from the left ventricle to the patient's body surface area.

Clinical Use Cardiology
Scientist looking at test tubes

AST/ALT Ratio Calculator

Determine the ratio of two key liver enzymes to help understand potential liver conditions and their causes.

Liver Health Enzyme Ratio
Person using a measuring tape on their arm

Body Fat Calculator

Estimate your body fat percentage using various methods, including the U.S. Navy and BMI-based formulas.

Body Composition Measurement
A plate of grilled chicken and vegetables

Protein Intake Calculator

Find your optimal daily protein intake based on your body weight, goals, and whether you are an athlete.

Diet Goals Muscle Building

Why Use Our Health Calculators?

Accurate Results

Based on scientifically proven formulas and medical standards

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Your health data is processed locally and never stored

Mobile Friendly

Optimized for all devices - calculate anywhere, anytime