Calculate your resting calorie burn using the scientific revised Harris-Benedict formulas.
Your Basal Metabolic Rate (BMR) is the number of calories your body burns to perform basic, life-sustaining functions when at rest. Even when you are sleeping or lying perfectly still, your body is working to keep your heart beating, lungs breathing, cells regenerating, and brain functioning. BMR represents this absolute baseline calorie count.
Understanding your BMR is the fundamental starting point of any fat loss, muscle gain, or body recomposition journey. By calculating this baseline, you can establish a starting point for your daily calorie needs. However, keep in mind that BMR represents your energy expenditure at rest; to find your total daily caloric needs, you must account for your physical activity using a TDEE calculator.
Since BMR relies heavily on lean muscle mass, optimizing your body composition is key. Consuming high-quality protein, such as SUPPS isolate whey, ensures your muscles have the building blocks they need to grow and maintain, raising your BMR naturally.
This BMR calculator uses the revised Harris-Benedict equations, which remain one of the most reliable and widely utilized methods for estimating resting metabolic rate in healthy individuals:
BMR = 66.5 + (13.75 × weight in kg) + (5.003 × height in cm) - (6.755 × age in years)BMR = 655.1 + (9.563 × weight in kg) + (1.850 × height in cm) - (4.676 × age in years)Note: These formulas estimate metabolic activity at rest. Bear in mind that this doesn't take your activity level into account! To figure out total calories burned through exercise, steps, and thermal effects, you must scale this number.
The biggest point of confusion in nutrition is the difference between BMR and TDEE:
The energy burned to stay alive at rest. This is fixed by your age, height, gender, and muscle mass, and represents roughly 60–75% of your total daily burn.
The total calories you burn in 24 hours, adding physical activity (exercise, walking) and digestion on top of BMR. Calculate it using our TDEE calculator.
While genetics and height are fixed, there are practical steps you can take to elevate your resting metabolism:
Whole foods form the foundation of metabolic health, but pure supplements help you hit your targets with convenience. Explore our elite fitness formulas to fuel your workouts and maximize your daily recovery.
BMR (Basal Metabolic Rate) is the minimum energy required to keep your body functioning at rest. It covers basic biological tasks like cell synthesis, oxygen transport, and body temperature regulation.
BMR does not account for daily movement or digestion. TDEE is your BMR multiplied by your physical activity level. To calculate TDEE, first find your BMR here, then use our TDEE calculator to adjust for lifestyle.
Yes. The most effective way to increase BMR is by building lean muscle tissue. Strength training regularly and consuming high-protein supplements like SUPPS isolate whey will support muscle growth, which increases resting metabolic activity.
As humans age, they naturally lose muscle mass and replace it with fat tissue, slowing the BMR. Staying active, lifting weights, and taking supplements like EAA to protect muscle fibers will counter this decline.