Low in calories green beans are a very good source of fiber. The calorie content in raw green beans differs from that of green beans in the cooked form. There are 10 calories in each oz of cooked green beans, 11 calories in one fourth cup of green beans, 35 calories in three and a half oz of cooked green beans, 40 calories in 4 oz, 44 calories in 1 cup, 88 calories in 2 cups and 160 calories in 1 pound. The calorie content in cooked green beans may vary based on the kind of oil used, the amount of salt, spices and other ingredients added to it.
Each ounce of raw green beans contains 9 calories, three and a half oz of raw green beans contains 31 calories and 4 oz contains 36 calories. It is difficult to tell the calorie content of a single green bean as they differ in size and weight.
One fourth cup of green beans contains 2 grams of carbohydrates and 1 gram protein, half a cup of green beans has 5 grams of carbohydrates and 1 gram of proteins, 1 cup of green beans contains 10 grams of carbohydrates and 2 grams of proteins and 2 cups of green beans have 20 grams carbohydrates and 5 grams of proteins. Each half cup of green beans which contains approximately 10 four inches long beans has around 2 grams of fiber. One fourth Ib that is 4 oz of green beans also contains 2 grams of fiber.
Green beans are also rich in Vitamins; these are a good source of Vitamin A, Vitamin C and Vitamin K which offer a number of health benefits. These also contain a good amount of manganese and folate and contain moderate amounts of beta-carotene, iron, potassium, lutein and the B vitamins.