Fitness & Health Calculators
Twenty-one interactive tools covering body composition, energy needs, macronutrients, training performance and clinical reference values. Every calculator works in metric or US units and in English or Arabic.
Calculators21
Languages2
Unit systems2
CostFree
Body composition
BMI CalculatorScreen your weight against your height and see your category instantly.Open calculatorBody Fat CalculatorEstimate body fat from tape measurements with the U.S. Navy method.Open calculatorLean Body Mass CalculatorHow much of your weight is muscle, bone, organs and water.Open calculatorIdeal Weight CalculatorFour clinical formulas plus the healthy BMI range for your height.Open calculatorHealthy Weight CalculatorYour full healthy weight band and what your waist adds to the picture.Open calculatorArmy Body Fat CalculatorRun the military tape test and compare with published limits.Open calculatorBody Type CalculatorClassify your shape and check your waist-to-hip ratio.Open calculator
Energy and calories
BMR CalculatorWhat you burn at complete rest, three formulas to choose from.Open calculatorTDEE CalculatorEverything you burn in 24 hours, broken down by source.Open calculatorCalorie CalculatorDaily calories to lose, maintain or gain — every goal compared.Open calculatorCalories Burned CalculatorMET-based energy cost of more than thirty activities.Open calculator
Nutrition and macros
Macro CalculatorProtein, carbs and fat in grams, split across your meals.Open calculatorProtein CalculatorYour daily protein target and the servings that get you there.Open calculatorCarbohydrate CalculatorFrom low carb to endurance levels, with fibre and sugar targets.Open calculatorFat Intake CalculatorHow much fat belongs in your day and how much can be saturated.Open calculator
Training and performance
Clinical reference
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All tools on this page are for general information and fitness planning. They do not provide a medical diagnosis and do not replace advice from a qualified health professional.
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