// multi-utility computation suite · offline · instant · precise
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health.basal-metabolic-rate Calculator
Calculates Basal Metabolic Rate using the Mifflin-St Jeor equation from weight, height, age, and sex, and applies activity multipliers to get TDEE. The Mifflin-St Jeor equation is consistently the most accurate BMR formula in validation studies (within 10% for most people).
Inputs
Wt
Body or object weight. For health calculators, usually in kg or lbs.
Ht
Vertical measurement. For health calculators, typically standing height without shoes.
Age
Age in completed years. Many health and fitness formulas adjust for age.
Sex
Reference formula or conversion factor shown for context.
Results
BMR (kcal/day)
Reference formula or conversion factor shown for context.
per hour
Reference formula or conversion factor shown for context.
per day (kJ)
Reference formula or conversion factor shown for context.
sedentary TDEE (×1.2)
Sample size or count used in the calculation.
active TDEE (×1.55)
Reference formula or conversion factor shown for context.