Question 1

How many calories should I eat per day?

Accepted Answer

Most adults need 1,600–2,500 kcal/day. Sedentary women ~1,800 kcal, sedentary men ~2,200 kcal. Use TDEE calculation for your personalized estimate.

Question 2

What is BMR (Basal Metabolic Rate)?

Accepted Answer

BMR is calories burned at complete rest to sustain basic functions. The Harris-Benedict formula: Men = 88.36 + (13.4 × weight kg) + (4.8 × height cm) − (5.7 × age).

Question 3

What is TDEE?

Accepted Answer

TDEE = BMR × activity multiplier (1.2 sedentary to 1.9 very active). It's your total daily calorie burn including exercise.

Question 4

How many calories to lose 1 pound per week?

Accepted Answer

1 pound = 3,500 kcal. A daily 500 kcal deficit yields approximately 1 lb/week of fat loss.

Question 5

What calorie intake is too low?

Accepted Answer

Women should not go below 1,200 kcal/day; men below 1,500 kcal/day without medical supervision. Very low calorie diets cause muscle loss and nutrient deficiencies.