Health Calculators

Health and fitness calculators for BMI, BMR, calorie management, and hydration planning.

All Calculators

BMI Calculator

Calculate your Body Mass Index (BMI) and understand your weight category.

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) - the calories your body burns at rest.

Body Fat Percentage Calculator

Calculate your body fat percentage using the Navy method based on measurements.

Body Fat Percentage Calculator

Calculate body fat percentage using body measurements (Navy method).

Body Surface Area Calculator

Calculate body surface area (BSA) using the Mosteller formula.

Bone Mass Calculator

Estimate bone mass based on height, weight, age, and gender.

Calorie Deficit Calculator

Calculate your daily calorie target for weight loss based on your maintenance calories and desired deficit.

Calories Burned Calculator

Estimate calories burned during various activities based on weight and duration.

Carbohydrate Calculator

Calculate daily carbohydrate needs based on activity level and goals.

Child BMI Calculator

Calculate BMI percentile for children and teens (ages 2-20).

Fiber Calculator

Calculate daily fiber needs based on age, gender, and calorie intake.

Ideal Weight Calculator

Calculate your ideal body weight based on height and gender using the Robinson formula.

Lean Body Mass Calculator

Calculate lean body mass (LBM) from weight and body fat percentage.

Macronutrient Calculator

Calculate daily macronutrient needs (protein, carbs, fats) based on calories and goals.

Metabolic Age Calculator

Estimate metabolic age based on BMR, age, and gender.

One Rep Max Calculator

Calculate your one-rep maximum (1RM) lifting strength from submaximal lifts.

Pace Calculator

Calculate running or walking pace per kilometer or mile.

Pregnancy Weight Gain Calculator

Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI.

Protein Intake Calculator

Calculate your recommended daily protein intake based on weight, activity level, and goals.

Sleep Calculator

Calculate optimal sleep and wake times based on sleep cycles.

Sodium Intake Calculator

Calculate recommended daily sodium intake and track consumption.

Target Heart Rate Calculator

Calculate target heart rate zones for exercise based on age and fitness goals.

TDEE Calculator

Calculate your Total Daily Energy Expenditure (TDEE) - the total calories you burn per day.

VO2 Max Calculator

Estimate VO2 max (maximum oxygen consumption) using the Cooper test or resting heart rate method.

Waist-to-Height Ratio Calculator

Calculate waist-to-height ratio for better health risk assessment than BMI alone.

Waist-to-Hip Ratio Calculator

Calculate waist-to-hip ratio to assess body fat distribution and health risks.

Water Intake by Weight Calculator

Calculate daily water intake needs based on body weight and activity level.

Water Intake Calculator

Calculate your recommended daily water intake based on your weight and activity level.