Mifflin St Jeor Calorie Calculator

Age:

Gender: Male Female

Weight (in kg):

Height (in cm):

Activity Level: Sedentary (little or no exercise) Lightly active (light exercise or sports 1-3 days a week) Moderately active (moderate exercise or sports 3-5 days a week) Very active (hard exercise or sports 6-7 days a week) Super active (very hard exercise, physical job, or training twice a day)

Calculate

Estimated Daily Caloric Needs:

The Mifflin St Jeor Calorie Calculator is a valuable tool for determining your estimated daily caloric needs. Whether you’re looking to maintain your current weight, lose a few pounds, or gain muscle mass, this calculator can provide you with a personalized estimate to help you achieve your health and fitness goals.

Formula:

The Mifflin St Jeor equation is used to estimate Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) based on your age, gender, weight, height, and activity level. The formula for calculating BMR differs for males and females:

For males: BMR = 10 * weight (in kg) + 6.25 * height (in cm) – 5 * age (in years) + 5

For females: BMR = 10 * weight (in kg) + 6.25 * height (in cm) – 5 * age (in years) – 161

After calculating BMR, TDEE is determined by multiplying BMR with an activity factor based on your level of physical activity.

How to Use:

1. Enter your age in years.
2. Select your gender (male or female).
3. Input your weight in kilograms.
4. Specify your height in centimeters.
5. Choose your activity level from the provided options.
6. Click the “Calculate” button to obtain your estimated daily caloric needs.

Example:

Let’s say you are a 30-year-old female with a weight of 65 kg, a height of 160 cm, and a moderately active lifestyle. Using the Mifflin St Jeor Calorie Calculator, your estimated TDEE would be calculated as follows:

BMR = 10 * 65 + 6.25 * 160 – 5 * 30 – 161 = 1,334 calories per day

TDEE = BMR * 1.55 (moderately active) = 2,066 calories per day

So, your estimated daily caloric needs are approximately 2,066 calories to maintain your current weight with your activity level.

FAQs:

1. What is the Mifflin St Jeor equation? The Mifflin St Jeor equation is a formula used to estimate Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) based on age, gender, weight, height, and activity level.
2. Why is BMR important? BMR is important because it represents the number of calories your body needs to maintain basic physiological functions at rest. It serves as a starting point for estimating your daily caloric needs.
3. What is the significance of TDEE? Total Daily Energy Expenditure (TDEE) accounts for your activity level and is crucial for determining the number of calories you need to maintain, lose, or gain weight.
4. How accurate is the Mifflin St Jeor equation? While the Mifflin St Jeor equation provides a reasonably accurate estimate, individual variations in metabolism can exist. It’s a good starting point for most people.
5. Can I use this calculator for weight loss or weight gain? Yes, by adjusting your caloric intake relative to your TDEE, you can achieve weight loss (caloric deficit) or weight gain (caloric surplus).
6. What are the activity levels for the calculator? The activity levels range from sedentary (little or no exercise) to super active (very hard exercise or physical job). Choose the one that best describes your daily activity.
7. Is there an age limit for using this calculator? This calculator is suitable for adults. For individuals under 18 or with specific health concerns, it’s advisable to consult a healthcare professional.
8. Can I trust the results of this calculator for diet planning? While the Mifflin St Jeor equation is reliable, consult a nutritionist or healthcare provider for personalized dietary advice.