Health & Fitness Calculators
Track your BMI, calories, heart rate, and fitness goals with our health calculators.
BMI Calculator
Assess your Body Mass Index with health implications
Body Fat Percentage
Calculate your body fat percentage
Ideal Weight
Calculate your ideal weight based on height and frame
Waist-to-Hip Ratio
Calculate your waist-to-hip ratio
Lean Body Mass
Calculate your lean body mass
Body Adiposity Index
Calculate your body adiposity index
BMR Calculator
Calculate your Basal Metabolic Rate
TDEE Calculator
Calculate your Total Daily Energy Expenditure
Calorie Needs
Calculate calorie needs for maintenance, loss, or gain
Macro Calculator
Calculate your macronutrient needs
Keto Calculator
Specialized ketogenic diet calculator
Protein Intake
Calculate your daily protein needs
Water Intake
Calculate your daily water intake needs
Target Heart Rate
Calculate your target heart rate zones
Calories Burned
Calculate calories burned by activity and duration
One-Rep Max
Calculate your one-rep max for strength training
Pace Calculator
Calculate pace, time, or distance for running
VO2 Max
Calculate your cardiovascular fitness estimate
Pregnancy Due Date
Calculate your estimated due date
Ovulation
Calculate your ovulation dates
Blood Alcohol
Calculate your Blood Alcohol Content
Why Use Health & Fitness Calculators?
Track Your Progress
Monitor your health metrics over time to see improvements and stay motivated.
Set Realistic Goals
Use data-driven insights to set achievable fitness and health objectives.
Understand Health Metrics
Learn what your health numbers mean and how they impact your overall wellness.
Optimize Performance
Use calculators to optimize your workout intensity and nutritional intake.
How Health & Fitness Calculators Work
Our health and fitness calculators use scientifically validated formulas and algorithms to provide accurate health metrics. Each calculator is designed to help you understand important health indicators and make informed decisions about your lifestyle and fitness goals.
All calculations are processed locally in your browser for privacy and security, ensuring your personal health data never leaves your device.