You can find this infomration on the side of packages. However if the food does not have any info you can go to these websites, www.howmanycaloriesin.com and www.fitwatch.com/caloriecounter.html
Food a contains 150 calories in three forth serving. That makes 200 calories per serving. Food B contains 250 calories per two third serving. That makes 375 calories per serving. So food A has got less calories per unit serving as compared to food B.
A gram of sugar contains about 4 calories.See the Related Link for more information.Sugar is a carbohydrate. Carbohydrates have 4 calories per gram.
Each gram of fat has 9 calories. So there would be around 4 grams of fat.
25*9=225 Answer: 225kcal
The United States Department of Agriculture has a "National Nutrient Database" which contains details of calories and nutrients in many different foods. http://www.nal.usda.gov/fnic/foodcomp/search/
There is a very handy app that you can find for your smartphone that is also available as a website. Check out www.myfitnesspal.com or my fitness pal application. This website and app allow you to enter any food and it will calculate the calories that it contains. They even off popular fast food items, for example, you can enter "small McDonalds french fries" and it will tell you the amount of calories.
Water has 0 calories.
There is about 35 calories in two bowls of salad, with no condiments or anything added.
The Complete Book of Food Counts By Corinne T. Netzer This book lists all you need to know about foods. Including , calories, fat grams, protein grams , carbohydrate grams, fiber grams, sodium and cholesterol
There are numerous websites but many of them are not free. A particular favorite of mine is sparkpeople.com as they have various tools to help you track nutrition, calories, and exercise tools.
there are about 45 calories in every medium chocolate chip cookies, like the kind you would find at the store in the cookie isles. But big chewy ones or homemade ones can be around 200 per cookie.
40 calories per 7 pieces