IDEAFACTORYS LAB · Health

Macro Calculator

Weight / goal / activity → protein · carbs · fat.

Body & goal

Mifflin–St Jeor BMR × activity → TDEE; goal adjusts calories. Protein ~1.8–2.2 g/kg (higher on a cut), fat ~25–30% of kcal, carbs fill the rest. Illustrative — not medical advice.

Daily macros

Target kcal—
Protein g—
Carbs g—
Fat g—