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The Institute of Medicine recommends a minimum of 130 grams of carbohydrates per day, which is the average minimal usage of glucose that the brain uses on a daily basis. You need 2,361 Calories/day to maintain your weight. You should take 252 (40%) - 472 (75%) grams of carbohydrate for your energy needs. (55% = 346 grams, 65% = 409 grams). You need 1,861 Calories/day to lose 0.5 kg per week. You should take 198 (40%) - 372 (75%) grams of carbohydrate for your energy needs. (55% = 273 grams, 65% = 323 grams). You need 1,361 Calories/day to lose 1 kg per week. You should take 145 (40%) - 272 (75%) grams of carbohydrate for your energy needs. (55% = 200 grams, 65% = 236 grams). You need 2,861 Calories/day to gain 0.5 kg per week. You should take 305 (40%) - 572 (75%) grams of carbohydrate for your energy needs.
According to the 2010 Dietary Guidelines for Americans, carbohydrates should make up 45 to 65 percent of a person's total daily calorie intake. Any amount less than this could be considered low carb. For someone consuming 2,000 calories a day, this is about 225 to 325 grams of carbohydrates per day.Most low-carb diets limit carbohydrate intake to between 50 to 150 grams per day, depending on the diet.ny amount less than this could be considered low carb. For someone consuming 2,000 calories a day, this is about 225 to 325 grams of carbohydrates per day.