girl watching app in the gym

Calories, nutrients, activity levels – everything needed to lead a healthy model lifestyle.

This Calorie Calculator supports the idea of healthy eating and helps people achieve their personal goals. In order for this activity to be taken into account in the formula for the energy requirement, you have to indicate how active you are in everyday life. We distinguish between “not very active” (e.g. office job), “somewhat active” (e.g. teacher), “active” (e.g. salesperson) and “very active” (e.g. physically hard work).

Calorie Calculator

Body Fat*
Result Unit*
BMR estimation formula*

The Mifflin-St. Jeor calculator (or equation) calculates your basal metabolic rate (BMR), and its results are based on an estimated average. Basal metabolic rate is the amount of energy expended per day at rest (how many calories you would burn on bed rest). Use our original Mifflin St. Jeor calculator to estimate your BMR and daily caloric burn (or Total Daily Energy Expenditure).

Basal metabolic rate (BMR) is the rate of energy expenditure per unit time by endothermic animals at rest. The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual’s basal metabolic rate (BMR). The estimated BMR value may be multiplied by a number that corresponds to the individual’s activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight. The Harris-Benedict equation may be used to assist weight loss — by reducing the kilocalorie intake number below the estimated maintenance intake of the equation.

The Katch-McArdle formula allows you to calculate your Basal Metabolic Rate, (BMR), which is the minimum amount of calories your body needs per day to keep functioning, assuming you were to do no exercise for that day. This equation differs from the Harris-Benedict equation because it takes into account lean body mass.

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