Macro Calculator Macro Calculator This calculator uses the Harris-Benedict formula to estimate calorie needs. Consult a coach for tailored support. Personal Information & Stats Gender: I'm a Male I'm a Female Age: Weight: kg lbs Height: Metric (m/cm) Imperial (ft/in) Activity & Goal Activity Level: Sedentary (Little or no exercise) Light (1–3 days/week) Moderate (3–5 days/week) Active (6–7 days/week) Very Active (Hard exercise daily) Goal: Maintain weight Lose weight Gain weight Calculate