228 grams of calories (per 100 grams). According to Mint.com, one Roujiamo has 455 calories. There are 228 calories in 100 grams of Roujiamo. The calories per 100 grams of Roujiamo account for about 12 of the total daily calories recommended by the Chinese Nutrition Society for ordinary adults to maintain health. Tongguan Roujiamo is a convenience food trademark registered and held by the Tongguan Roujiamo Association in December 2015.