Health & Fitness
BMI Calculator
Calculate your Body Mass Index (BMI) to determine if you're at a healthy weight based on your height and weight.
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Health & Fitness Calculators
Track BMI, body fat, calorie needs, macros, and other vital health metrics
25 free calculators
Health & Fitness
Calorie Calculator
Determine how many calories you need per day to maintain, lose, or gain weight based on your personal metrics.
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Health & Fitness
TDEE Calculator
Calculate your Total Daily Energy Expenditure to understand your daily calorie burn based on your basal metabolic rate and activity level.
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Health & Fitness
Body Fat Calculator
Estimate your body fat percentage using body measurements with the U.S. Navy method for men and women.
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Health & Fitness
BMR Calculator
Calculate your Basal Metabolic Rate to understand the minimum calories your body needs at complete rest.
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Health & Fitness
Macro Calculator
Calculate your ideal daily intake of protein, carbohydrates, and fat based on your calorie needs and fitness goals.
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Health & Fitness
Ideal Weight Calculator
Find your ideal body weight range using multiple scientifically validated formulas based on your height and gender.
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Health & Fitness
Protein Calculator
Determine your optimal daily protein intake based on body weight, activity level, and specific fitness or health goals.
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Health & Fitness
Water Intake Calculator
Calculate your recommended daily water intake based on body weight, exercise habits, and environmental factors.
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Health & Fitness
Body Age Calculator
Estimate your biological body age compared to your chronological age based on lifestyle, fitness, and health habits.
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Health & Fitness
Lean Body Mass Calculator
Calculate your lean body mass, which is your total weight minus fat mass, using validated estimation formulas.
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Health & Fitness
One Rep Max Calculator
Estimate your one-rep maximum for any exercise based on the weight and reps you can currently perform.
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Health & Fitness
Pace Calculator
Calculate your running or walking pace, finish time, or distance for any workout or race distance.
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Health & Fitness
Heart Rate Zone Calculator
Calculate your target heart rate zones for optimal cardio training using the Karvonen method with your age and resting heart rate.
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Health & Fitness
VO2 Max Calculator
Estimate your VO2 max, the gold standard measure of aerobic fitness, based on your running time or heart rate data.
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Health & Fitness
Blood Alcohol Content Calculator
Estimate your blood alcohol content (BAC) using the Widmark formula based on drinks consumed, body weight, gender, and time elapsed.
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Health & Fitness
Sleep Cycle Calculator
Find the best time to go to bed or wake up based on 90-minute sleep cycles to wake feeling refreshed and energized.
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Health & Fitness
Running Calories Burned Calculator
Calculate how many calories you burn while running based on your weight, distance, and pace using metabolic equivalent (MET) values.
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Health & Fitness
Walking Calories Burned Calculator
Calculate calories burned while walking based on your body weight, distance covered, and walking speed.
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Health & Fitness
Cycling Calories Burned Calculator
Calculate how many calories you burn while cycling based on body weight, riding duration, and intensity level.
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Health & Fitness
Swimming Calories Burned Calculator
Calculate calories burned while swimming based on your weight, stroke type, intensity, and swim duration.
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Health & Fitness
Bench Press Max Calculator
Estimate your bench press one-rep maximum based on the weight and reps you can currently perform using the Epley formula.
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Health & Fitness
Squat Max Calculator
Estimate your squat one-rep maximum based on weight and reps performed using the proven Epley formula.
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Health & Fitness
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on your pre-pregnancy BMI using Institute of Medicine (IOM) guidelines.
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Health & Fitness
Blood Pressure Category Checker
Determine your blood pressure category and understand your cardiovascular risk using American Heart Association guidelines.
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