How to lose around 30lbs?

I am 13 and I way around 120 and is that good and how to loose around 30 pounds

depends on your height

why would you want to lose weight? 120 is healthy... if you go down to around 90 lbs your body may not react well. you could have missed periods, suffer from malnutrition or damage/weaken your immune system. your healthy as you are now, going down to 90 would be bad. hope I helped... didnt mean to come across mean if thats how I do, sry

first off how tall are you? and 30 pounds? id just exercise regularly and eat healthy and if you are meant to be thinner you'll lose it if you dont then your probly at a healthy weight if anything exercise will get you toned and have a great body

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How to LOSE weight?

First, determine from the information below, what your weight should be. Then set yourself goals of a week, 2 weeks, a month, 3 months, 6 months and a year. As you see yourself meeting your goals it becomes easier. Remember, you didn't gain your weight overnight so don't expect to lose if overnight. Plus, weight lost slowly is more likely to stay off than weight lost in a hurry.

BMI (Body Mass Index) is a measurement of body fat based on height and weight that applies to both men and women between the ages of 18 and 65 years.

BMI Classification

18.5 or less Underweight
18.5 to 24.99 Normal Weight
25 to 29.99 Overweight
30 to 34.99 Obesity (Class 1)
35 to 39.99 Obesity (Class 2)
40 or greater Morbid Obesity

Check out your BMI at the bmi calculator site below to see where you stand.

bmi calculator:

http://www.bmi-calculator.net/

If you need conversion info, 1 kg = 2.2 pounds and 2.54 cm = 1 inch (12 inches = 1 foot)

Info if you are trying to GAIN weight:

http://www.bmi-calculator.net/treatment/underweight-treatment.php

Info if you are trying to LOSE weight:

http://www.bmi-calculator.net/treatment/overweight-treatment.php

How can I Lose 1 pound of body weight per week?

One pound of body fat is equal to about 3500 calories. So to lose 1 pound of weight per week, you need to eat 500 calories/day LESS than you burn.

But it's not a good idea to lose weight simply by cutting calories. As well as decreasing calories you should increase your daily physical exercise. This helps to burn calories and build more lean tissue which in turn burns more calories.

What should a minimum calorie intake be?

As a guide to minimum calorie intake, the American College of Sports Medicine (ACSM) recommends that calorie levels never drop below 1200 calories per day for women or 1800 calories per day for men. Even these calorie levels are quite low.

http://www.bmi-calculator.net/bmr-calculator/harris-benedict-equation/calorie-intake-to-lose-weight.php

Normal Adult Height-Weight Range Table

http://www.recipehound.com/weight.html

Average Teenager Weight

http://lifestyle.iloveindia.com/lounge/average-teenager-weight-236.html