Mifflin St. Jeor Calculator (TDEE & BMR)

Calculate TDEE & BMR using the Mifflin St. Jeor equation.


Your Total Daily Energy Expenditure (TDEE):

Daily energy expenditures for various levels of activity.
Activity LevelCalories
Basal Metabolic Rate (BMR) 
little to no exercise 
light exercise 1-3 times per week 
moderate exercise 3-5 times per week 
heavy physical exercise 5-6 times per week 
heavy physical exercise 6-7 times per week 

Your BMI Score

For adults, a BMI in the range of 18.5 - 24.9 is considered healthy[1]


  1. Centers for Disease Control and Prevention, About Adult BMI, https://www.cdc.gov/healthyweight/assessing/bmi/adult_bmi/index.html