Daily Calorie Calculator (BMR)

Calculate your Basal Metabolic Rate and your caloric needs based on your activity level.

Your Results

Your Basal Metabolic Rate (BMR) is

1649 Calories

These are the calories your body needs at complete rest.

Daily calories for your goals:

Maintain Weight

1979

Calories/day

Gain Weight (0.25 kg/wk)

2229

Calories/day

Gain Weight (0.5 kg/wk)

2479

Calories/day

Lose Weight (0.25 kg/wk)

1729

Calories/day

Lose Weight (0.5 kg/wk)

1479

Calories/day

Lose Weight (1 kg/wk)

979

Calories/day

Understanding Your Caloric Needs

Knowing how many calories your body needs is the first step for any weight management goal, whether it's losing fat, gaining muscle, or simply maintaining a healthy lifestyle. This calculator provides a scientific estimate of your daily energy needs.

How Does the Calculator Work?

The calculation is based on two key concepts: Basal Metabolic Rate (BMR) and Physical Activity Level.

  • Basal Metabolic Rate (BMR): This is the minimum amount of energy (calories) your body needs at complete rest to maintain vital functions like breathing or circulation. We use the Mifflin-St Jeor equation, considered one of the most accurate for adults.
  • Physical Activity Level: Once your BMR is calculated, we multiply it by a factor that represents your daily activity (from sedentary to very active). The result is your Total Daily Energy Expenditure (TDEE), which are the calories you need to maintain your current weight.

How to Use Your Results?

With your TDEE as a baseline, you can adjust your caloric intake to meet your goals:

  • To Lose Weight: You need a caloric deficit, meaning you consume fewer calories than your TDEE indicates. A deficit of 250-500 calories per day is a safe and sustainable starting point.
  • To Gain Weight (Muscle): You need a caloric surplus, consuming more calories than you expend. An extra 250-500 calories per day, combined with strength training, is recommended.

Important: This calculator provides an estimate. Results may vary based on your genetics and other factors. For a personalized plan, always consult a healthcare professional or a nutritionist.