How do you convert CAL to kJ?
To convert a calorie measurement to a kilojoule measurement, multiply the energy by the conversion ratio. The energy in kilojoules is equal to the calories multiplied by 0.004184.
How many kJ is 250 calories?
250 Kilojoules is the same as 59.8 Calories.
How many kilojoules is 500 calories?
500 kilojoules (kJ) are equal to 119.5 calories (kcal).
How do you convert cal to kcal?
To convert a calorie measurement to a kilocalorie measurement, divide the energy by the conversion ratio. The energy in kilocalories is equal to the calories divided by 1,000.
What is a kJ?
The energy we get from food and drink is measured in kilojoules (kJ). This is the metric term for calorie. Kilojoules and calories represent the same thing. One calorie is about four kilojoules. You can easily convert from calories to kilojoules or vice versa.
How many kJ should a 13 year old eat?
How many calories do teenagers need?
| Age | Boys | Girls |
|---|---|---|
| 13 | 10,100kJ or 2,414kcal | 9,300kJ or 2,223kcal |
| 14 | 11,000kJ or 2,629kcal | 9,800kJ or 2,342kcal |
| 15 | 11,800kJ or 2,820kcal | 10,000kJ or 2,390kcal |
| 16 | 12,400kJ or 2,964kcal | 10,100kJ or 2,414kcal |
How do I calculate calories?
To calculate food calories, start by looking at how much protein, carbohydrates, and fat the food has. Then, multiply the total number of grams of protein by 4, since 1 gram of protein is equal to 4 calories. Do the same thing for the carbohydrates, since 1 gram of carbohydrates is equal to 4 calories.
What is the formula for calculating calories in food?
How many calories are in 1 kg?
7,700kcals
There are 7,700kcals (kcal=calorie) worth of energy in 1kg of fat. That means in order to burn 1kg of fat, you must have a calorie deficit of 7,700. Considering the average daily intake can be anywhere from 1,800-2,400kcals, it takes some time to burn that fat.
Is 1200 calories enough for a 16 year old?
Although 1,600 calories is the minimum required for teen girls, active girls should consume additional. According to the Dietary Guidelines for Americans 2010, sedentary teen girls between the ages of 13 and 18 need 1,600 to 1,800 calories per day, while active girls require 2,200 to 2,400 calories each day (Page 78).