Calorie & BMI Calculator

Estimate your Body Mass Index and daily calorie needs.

Units
Sex
Age
Height (cm)
Weight (kg)
Activity Level
Results

BMI

24.5

Normal

Body Mass Index — weight relative to height, used as a rough indicator of body fatness.

Normal range is 18.5-24.9.

BMR

1699 kcal

Basal Metabolic Rate — calories your body burns at rest just to sustain basic functions. Calculated using the Mifflin-St Jeor equation from your weight, height, age, and sex.

Maintenance Calories (TDEE)

2633 kcal

Total Daily Energy Expenditure — estimated calories to maintain your current weight. Calculated by multiplying your BMR by an activity-level factor.

Macros

Protein

120 g

Builds and repairs muscle. Calculated from your bodyweight and activity level (1.2-2.0 g/kg/day), scaled down slightly for women to reflect a typically higher body-fat percentage relative to lean mass.

Fat

82 g

Supports hormones and nutrient absorption. Takes a share of the calories left after protein, based on general dietary guidelines (around 20-35% of total calories).

Carbs

353 g

Your body's main energy source. Takes the remaining calories left after protein and fat, based on general dietary guidelines (around 45-65% of total calories).