BMR Calculator
Calculate your Basal Metabolic Rate & Daily Calorie Needs
Sedentary
Little or no exercise, desk job
Lightly Active
Light exercise or sports 1-3 days/week
Moderately Active
Moderate exercise 3-5 days/week
Very Active
Hard exercise 6-7 days/week
Extra Active
Hard daily exercise or physical job or twice daily training
calories/day
calories/day
Your BMR is the number of calories your body needs to maintain basic physiological functions while at complete rest. This includes breathing, circulation, temperature regulation, and cellular processes.
Your TDEE is your total calories burned per day including your activity level and exercise.
Protein
Carbohydrates
Fat
Daily Calorie Goals
BMR Calculator Results
Your Information
Date:
Gender:
Age:
Height:
Weight:
Activity Level:
Formula Used:
Your Results
Basal Metabolic Rate (BMR): calories/day
Total Daily Energy Expenditure (TDEE): calories/day
Your BMR is the number of calories your body needs to maintain basic physiological functions while at complete rest. Your TDEE is your total daily calorie expenditure including activity.
Recommended Macronutrients
Protein
Carbohydrates
Fat
Daily Calorie Goals
Welcome to WorkTool.com’s powerful and intuitive BMR Calculator, your essential tool for understanding how many calories your body burns at rest. BMR, or Basal Metabolic Rate, represents the minimum amount of energy your body needs to maintain basic, vital functions like breathing, circulation, and cell production when you’re completely at rest. Knowing your BMR is a crucial step in managing your weight, whether your goal is to lose, gain, or maintain it, as it provides the foundational number for calculating your total daily calorie needs. This calculator is designed to offer you clear, actionable insights without any complex medical jargon.
Using our BMR calculator is straightforward and accessible to everyone. Begin by choosing your preferred measurement system – either metric (kilograms and centimeters) or imperial (pounds and inches). Then, simply input your gender, age, weight, and height into the respective fields. These personal details are essential for our calculator to accurately estimate your unique metabolic rate. Beyond just your BMR, our tool goes a step further by helping you determine your total daily calorie expenditure, which includes the energy you burn through physical activity. You’ll select your activity level from options ranging from sedentary to extra active, allowing the calculator to factor in your lifestyle.
Our BMR calculator offers two widely recognized formulas for calculation: the Mifflin-St Jeor equation and the Harris-Benedict equation. While both are reliable, the Mifflin-St Jeor formula is often considered slightly more accurate for modern populations. You have the flexibility to choose which formula you’d like to use, or even compare results from both. Once all your information is entered, a simple click will instantly provide you with your estimated BMR and a clearer picture of your daily calorie requirements. This information empowers you to make informed decisions about your diet and exercise regimen, helping you align your calorie intake with your health and fitness goals. Whether you’re tracking your macros, planning a diet, or simply curious about your body’s energy needs, WorkTool.com’s BMR Calculator is your go-to resource for accurate and easy-to-understand results.