Grams to Calories Converter
Enter the weight in grams below to get the value converted to calories.
Result in Calories:
Do you want to convert calories to grams?
How to Convert Grams to Calories
To convert a measurement in grams to a measurement in calories, multiply the weight by the following conversion ratio: 7.716179 calories/gram.
Since one gram of body fat is equal to 7.716179 calories, you can use this simple formula to convert:
calories = grams × 7.716179
The weight in calories is equal to the weight in grams multiplied by 7.716179.
How Many Calories Are in a Gram of Body Fat?
There are 7.716179 calories in a gram of body fat, which is why we use this value in the formula above.
1 g = 7.716179 kcal
Grams are a unit of weight, and calories are a unit of energy. Keep reading to learn more about each unit of measure.
What Is a Gram?
A gram is a unit of mass equal to 1/1,000 of a kilogram or 0.035274 ounces, and is equivalent to the mass of one cubic centimeter, or one milliliter, of water.
The gram, or gramme, is an SI unit of weight in the metric system. Grams can be abbreviated as g; for example, 1 gram can be written as 1 g.
Learn more about grams.
What Is a Calorie?
Converting calories is actually a conversion of energy burned by the body performing work rather than actual weight. When measuring the energy content in foods, the large calorie, or kilocalorie, is used, but it's often still just called a "calorie."
One calorie (large calorie) is equal to the heat needed to raise the temperature of one kilogram of water by 1 degree Celsius.[1] You'll need to burn 3,500 calories more than you eat to lose one pound of weight.[2]
Calories can be abbreviated as kcal; for example, 1 calorie can be written as 1 kcal.
Learn more about calories.
Gram to Calorie Conversion Table
Grams | Calories |
---|---|
1 g | 7.7162 kcal |
2 g | 15.43 kcal |
3 g | 23.15 kcal |
4 g | 30.86 kcal |
5 g | 38.58 kcal |
6 g | 46.3 kcal |
7 g | 54.01 kcal |
8 g | 61.73 kcal |
9 g | 69.45 kcal |
10 g | 77.16 kcal |
11 g | 84.88 kcal |
12 g | 92.59 kcal |
13 g | 100.31 kcal |
14 g | 108.03 kcal |
15 g | 115.74 kcal |
16 g | 123.46 kcal |
17 g | 131.18 kcal |
18 g | 138.89 kcal |
19 g | 146.61 kcal |
20 g | 154.32 kcal |
21 g | 162.04 kcal |
22 g | 169.76 kcal |
23 g | 177.47 kcal |
24 g | 185.19 kcal |
25 g | 192.9 kcal |
26 g | 200.62 kcal |
27 g | 208.34 kcal |
28 g | 216.05 kcal |
29 g | 223.77 kcal |
30 g | 231.49 kcal |
31 g | 239.2 kcal |
32 g | 246.92 kcal |
33 g | 254.63 kcal |
34 g | 262.35 kcal |
35 g | 270.07 kcal |
36 g | 277.78 kcal |
37 g | 285.5 kcal |
38 g | 293.21 kcal |
39 g | 300.93 kcal |
40 g | 308.65 kcal |
References
- Brazier, Yvette, How many calories do you need?, Medical News Today, https://www.medicalnewstoday.com/articles/263028
- Guth, E., Healthy Weight Loss, JAMA, 2014, 312(9), 974. https://jamanetwork.com/journals/jama/fullarticle/1900513