Calculate your daily calorie needs using the Mifflin-St Jeor equation. Get BMR, TDEE, and personalized calorie targets for weight management.
Our calorie calculator online free calculates your daily energy needs using the Mifflin-St Jeor equation, the most accurate BMR estimation formula. Understanding your calorie needs is essential for effective weight management, whether your goal is to lose, maintain, or gain weight.
This calorie calculator online free determines your BMR, applies an activity factor for TDEE, and provides personalized calorie targets for different goals — all instantly.
Knowing your daily calorie needs is the foundation of effective weight management. Weight loss seekers can determine the right calorie deficit. Fitness enthusiasts can optimize nutrition for muscle gain. Health professionals can guide clients with evidence-based targets.
Weight Loss: Calculate the right calorie deficit for your goals.
Muscle Building: Optimize nutrition for muscle gain.
Diet Planning: Create informed daily meal plans.
TooliFyra's calorie calculator online free is 100% private — all calculations happen in your browser. It's completely free with no sign-up, no ads, and no data collection.
Basal Metabolic Rate (BMR) is the number of calories your body needs at complete rest to maintain basic functions like breathing, circulation, and cell production.
Total Daily Energy Expenditure (TDEE) is your BMR multiplied by an activity factor. It represents the total calories you burn in a day including physical activity.
Yes, it uses the Mifflin-St Jeor equation, considered the most accurate BMR equation for the general population, with an accuracy of ±10%.