BMR Calculator

Your basal metabolic rate and maintenance calories.

Your BMR
0
calories/day at complete rest
Activity levelCalories/day
These are general estimates using the Mifflin-St Jeor equation. Individual needs vary with body composition, health and genetics. For a personalised plan, consult a doctor or registered dietitian.

What is BMR?

BMR is the energy your body uses at complete rest for basic functions. The Mifflin-St Jeor formula: men = 10×kg + 6.25×cm − 5×age + 5; women = the same − 161. Your maintenance calories multiply BMR by an activity factor (1.2 sedentary up to 1.9 very active).

FAQs

What is BMR?

Calories burned at complete rest for basic body functions — the biggest part of daily energy use.

How is it calculated?

Mifflin-St Jeor: men 10×kg + 6.25×cm − 5×age + 5; women − 161 instead of + 5.