Screen weight status, estimate metabolism, and plan daily energy with validated formulas. Each tool explains inputs and limits — for education, not diagnosis.
Height and weight screening with WHO-style categories.
Open toolBasal metabolic rate using Mifflin-St Jeor and alternatives.
Open toolDaily burn with activity multipliers for maintain, cut, or bulk.
Open toolEstimate body fat from measurements when BMI alone is not enough.
Open toolDaily calorie targets from goals and activity level.
Open toolReference ranges from height using common clinical formulas.
Open toolBMI is a quick weight-status screen from height and weight. It does not measure body fat directly and is not a diagnosis.
Equations are validated averages. Use results as a starting point and adjust with real-world weight and energy trends.
No. Calcxzo tools are for education and planning. See a clinician for symptoms, treatment, or personalised guidance.