Nourish · Optimize · Thrive
Energy Needs Calculator
Personalized to your height, weight, age, activity, and goal.
Age
yrs
Sex at birth
Height (ft)
ft
Height (in)
in
Weight
lbs
Activity level
Weight-loss goal
Estimated energy needs1450–1650 kcal
Estimated with the Mifflin–St Jeor equation. GLP-1s can suppress appetite further — never go below 1,200 kcal without a clinician's guidance.