Smart-Calcs

Health & Fitness

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Macro Split Calculator

Calculate your daily macronutrient targets in grams for carbs, protein, and fat based on your calorie target and fitness goal — balanced, high protein, low carb, or keto.

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Heart Rate Zone Calculator

Calculate your personalized target heart rate training zones using the clinically validated Karvonen formula based on your age and resting heart rate.

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Live

BMR & TDEE Calculator

Find your Basal Metabolic Rate and Total Daily Energy Expenditure, then set your macros for fat loss, maintenance, or muscle gain.

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Live

BMI Calculator

Calculate your Body Mass Index and find your healthy range by age.

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