You can't. Calories are a unit of energy and grams are units of mass.
Depends on the substance, 30 grams of apple is a HUGE difference in calories to 30 grams of sugar.
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Energy density is the amount of energy (calories) in a give unit (grams). So you just divide the calories by the grams per serving.
One hundred and fifty grams of graham crackers is equivalent to 21 crackers. This is 5.2 ounces, and 630 calories.
80 calories per gram (called the latent heat of fusion) 80 x 255.67 = 20453.6 calories
2150 grams
1,000 grams in a kilogram.
Grams of what?
.5 grams
Approx 0.88 pounds.
There are 15 calories in 4 grams of sugar.
14 grams of fat has 126 calories.
About 48 calories in 50 grams banana.
How many calories are in 26 grams of carbohydrates?"
100 grams of canned tuna in water has 116 calories, .82 grams of fat and 25.5 grams of protein. 100 grams of tuna in oil has 198 calories, 8.21 grams of fat and 29.13 grams of protein.
why you want to do that..grams are used to measure weight and meters to mention the length.. what is the point on what you say??
pizza hut-290 calories & 12.14 grams fat, dominos-324 calories & 12.65 grams fat, papa johns-338 calories & 14.58 grams fat, little ceaser's-246 calories & 9.45 grams fat, these were measured in grams and kcal. for more info please go to google and/or www.dietbites.com/calories/calories-in-pizza.html by breccan d. aka comicbook1