Health & Fitness Calculators

Monitor your well-being with comprehensive health and fitness calculators for BMI, calories, body composition, pregnancy tracking, and wellness planning. Perfect for health-conscious individuals and fitness enthusiasts.

Alcohol Blood Level Calculator

Estimate your Blood Alcohol Content (BAC) using the Widmark formula. For educational purposes only - not for medical or legal decisions.

BAC calculatorblood alcohol contentWidmark formula

BMI Calculator

Calculate your Body Mass Index (BMI) to assess your weight status. Includes BMI categories and health recommendations.

bmibody mass indexhealth

BMR Calculator

Calculate your Basal Metabolic Rate (BMR) - the calories your body needs at rest. Uses Mifflin-St Jeor and Harris-Benedict equations.

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Body Fat Percentage Calculator

Estimate your body fat percentage using the U.S. Navy method. Calculate lean body mass and track your fitness progress.

body fatBFPlean mass

Calorie Calculator

Calculate your daily calorie needs for weight maintenance, loss, or gain. Includes TDEE calculation based on activity level.

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Child Growth Percentile Calculator

Track your child's growth percentiles for weight, height, and head circumference. Based on WHO and CDC growth charts. For informational use only.

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Drug Dosage Calculator (Educational Tool)

Educational examples of drug dosage calculations including weight-based and BSA dosing. NOT FOR ACTUAL MEDICAL USE - educational purposes only.

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Ideal Weight Calculator

Calculate your ideal body weight using multiple scientific formulas including Robinson, Miller, Devine, and Hamwi methods.

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Pregnancy Due Date Calculator

Calculate your pregnancy due date and track pregnancy milestones based on your last menstrual period or conception date.

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Protein Intake Calculator

Calculate your daily protein needs based on your weight, activity level, and fitness goals. Essential for muscle building and health.

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Smoking Cost Calculator

Calculate the financial cost of smoking and potential savings from quitting. See the long-term economic impact of tobacco use.

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Target Heart Rate Calculator

Calculate your target heart rate zones for effective exercise and cardiovascular training. Optimize your workout intensity.

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Walking Calorie Calculator

Calculate calories burned while walking based on your weight, distance, pace, and terrain. Track your walking exercise progress.

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Water Intake Calculator

Calculate your daily water intake needs for optimal hydration based on your weight, activity level, and climate conditions.

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About Health & Fitness Calculators

Comprehensive Health Tools

Our health and fitness calculators provide accurate assessments for body composition, nutritional needs, calorie requirements, and fitness goals to help you make informed decisions about your wellness journey.

For Everyone's Health Journey

Whether you're starting a fitness routine, tracking pregnancy milestones, managing weight, or monitoring health metrics, these tools support your path to better health and wellness.

Key Features

  • Evidence-based calculations
  • Multiple health metrics
  • Personalized recommendations
  • Easy-to-understand results