Estimate resting energy needs with the Mifflin–St Jeor equation.
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The result includes a ±10% illustration of equation uncertainty. Body composition, hormones and measurement conditions can shift actual needs.
Not a diagnosisFor general health education and estimation only. It does not diagnose a condition and is not treatment, medication, diet or training advice.
BMR = 10W + 6.25H − 5A + sMost generally healthy adults aged 19 or older.
Pregnancy, breastfeeding, childhood, critical illness, extreme body sizes and elite sport require specialist assessment.
Input accuracy, measurement technique, rounding and individual variation all affect the result. Internal precision is retained and only displayed values are rounded.
Ask a clinician or registered dietitian to review the estimate before using it for a medical condition or major weight change.