Multiple choice general knowledge How many Dynes are there in one gram weight? 900 375 981 250 Reveal answer Fill a bubble to check yourself C Correct answer Explanation One gram weight (gram force) equals approximately 981 dynes because 1 gram force = 1 gram × g (9.81 m/s²) and 1 dyne = 1 gram cm/s². The conversion uses the acceleration due to gravity.