Professional health and fitness calculators for BMI, body fat, calories, TDEE, macros, and more. Achieve your health goals with accurate, science-based calculations.
Calculate body metrics and health indicators
Calculate adjusted body weight
Calculate Army body fat percentage
Calculate baby growth percentiles
Calculate blood alcohol content
Calculate body mass index
Calculate body fat percentage
Determine your body shape
Calculate body surface area
Calculate BMI for children and teens
Calculate child height percentile
Calculate child weight percentile
Calculate ideal desk height
Calculate fat-free mass index
Predict height potential
Convert height units
Calculate ideal body weight
Calculate IQ percentile
Calculate lean body mass
Calculate Navy body fat percentage
Calculate waist to height ratio
Calculate waist to hip ratio
Calculate weight loss percentage
Convert between calories and weight units
Calculate nutritional needs and dietary requirements
Calculate basal metabolic rate
Calculate calorie density
Calculate daily calorie needs
Calculate carbohydrate needs
Calculate fat intake needs
Calculate using Harris-Benedict equation
Calculate keto diet macros
Calculate macronutrient needs
Calculate maintenance calories
Calculate using Mifflin-St Jeor equation
Calculate net carbohydrates
Calculate protein needs
Calculate resting metabolic rate
Calculate total daily energy expenditure
Calculate daily water needs
Calculate for healthy weight gain
Calculate for healthy weight loss
Calculate fitness metrics and training data
Calculate Air Force PT score
Calculate Army fitness score
Calculate bench press max
Calculate biking calories
Calculate calories burned
Calculate hiking calories
Calculate jump rope calories
Calculate running calories
Calculate swimming calories
Calculate walking calories
Calculate weight lifting calories
Calculate deadlift 1RM
Adjust golf distances for altitude
Calculate ice rink specs
Calculate lifting strength level
Convert miles to steps
Calculate Navy PRT score
Calculate 1RM for lifts
Calculate running pace and distance
Calculate push-up calories
Calculate squat 1RM
Convert steps to calories
Convert steps to km
Convert steps to miles
Calculate target heart rate zones
Calculate USMC fitness scores
Calculate Zone 2 heart rate
“The BMI and body fat calculators helped me set realistic fitness goals. Lost 25 lbs by tracking my TDEE accurately!”
“I use these calculators with all my clients. The calorie and macro calculators are spot-on for creating nutrition plans.”
“The TDEE calculator helped me fuel my training properly. No more bonking during long runs!”
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