Discover exactly how many calories you need per day with our free and accurate calorie calculator. This tool uses the scientifically validated Mifflin-St Jeor equation to calculate your Basal Metabolic Rate (BMR)—the energy your body burns at rest.
Simply input your details to get a personalized estimate of your daily calorie needs based on your unique body and activity level. This BMR calculator adjusts for activity level to determine your Total Daily Energy Expenditure (TDEE)—helping you plan for weight loss, muscle gain, or maintaining a healthy lifestyle. Stop guessing and start using a science-backed number to take control of your nutrition today.