Noodle khao both small and large diameter plain rice noodles made from rice flour are the same. Instead, the energy is different, depending on the humidity of the line. By big will have the highest calorie because it is usually coated in oil to make 100 grams to as high as 220 kcal of energy, while the small line, approximately 180 kcal of energy and rice noodles, about 150 kcal of energy only.