The number of calories a teenager needs to gain weight depends on several factors, including age, sex, activity level, and overall health. Generally, a calorie surplus of about 250 to 500 calories per day is recommended for healthy weight gain. For example, teenage boys might need around 2,800 to 3,200 calories daily, while girls may need about 2,200 to 2,800 calories. It's essential for teens to focus on nutrient-dense foods to ensure healthy growth and development.
You don't gain calories from sitting. You gain calories from eating.
To gain one pound is 3,500 calories.
1,000,000 calories a day you a hole
It does not matter what proportion of daily calories come from breakfast.
You gain fat by eating more calories than you burn. As a teenager, you are probably still growing. You may find that while growing that you are using more calories than you are taking in. Unless you are very thin, give it some time as once you reach your adult height you will begin to gain weight. You might even wish you were thin once again.
The short answer is 7700 extra calories will make you gain 1kg of fat
400 calories
35,000 calories.
calories needed for 63 inch and 115 pound male teenager
Add 500 calories per day to gain 1 pound per week.
The only way that you gain calories would be through consuming them through food or drink.
Teenagers are supposed to have around 2000 calories and finishing the day under 900 your body registers it as starvation.