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Calculate your Basal Metabolic Rate (BMR) and find out how many calories your body needs at rest. Plan your diet, reach your fitness goals and live a healthier life.
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Enter your details to calculate your Basal Metabolic Rate.
BMR estimates the energy your body uses at rest. TDEE estimates your total daily energy needs, including physical activity.
These results are estimates, not medical advice. Individual energy needs may vary.
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FitCalc is a free online fitness calculator platform designed to help you make better health decisions. Our BMR calculator gives you an estimate of your resting energy needs to help you plan your lifestyle.
We believe that a healthier lifestyle doesn't have to be complicated. With simple tools and easy-to- understand results, FitCalc supports your wellness journey.
Learn More βUse your results as a starting point for understanding your energy needs. BMR and calorie estimates are not diagnoses and should be considered alongside your individual circumstances and professional advice.
Find answers to common questions about our BMR calculator and how it works.
Basal Metabolic Rate (BMR) estimates the calories your body uses at rest to support essential functions such as breathing and circulation.
The estimate can help you understand your energy needs, but it does not prescribe a weight-loss plan. Individual needs vary, so seek qualified advice when planning dietary changes.
This calculator uses the Mifflin-St Jeor equation, which uses age, weight, height and a male or female equation coefficient to estimate resting energy use.
Yes. The calculator runs in your browser and does not require payment or an account.
BMR estimates energy use at rest. Total Daily Energy Expenditure (TDEE) estimates total daily energy needs after accounting for an activity factor.
Enter weight in kilograms and height in centimeters. Convert pounds to kilograms by dividing by 2.20462. Convert inches to centimeters by multiplying by 2.54.