Nutrition & Body

Macros, TDEE, protein, GFR, BSA, and related estimators.

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Macro calculator — convert calories and protein/carb/fat percentages into daily grams.

TDEE calculator — total daily energy expenditure from BMR and activity level.

Carbohydrate calculator for daily carb grams from calories and percentage target.

Daily protein calculator based on body weight and training goal (g per kg).

Fat intake calculator — daily fat grams from calories and fat percentage.

eGFR calculator using the CKD-EPI equation from creatinine, age, and sex.

Body type calculator estimating ectomorph, mesomorph, or endomorph from frame size.

Body surface area calculator using the Mosteller formula from height and weight.

Blood alcohol content calculator using the Widmark estimate from drinks, weight, and time.