i asked this last week :0) , just weigh same amount of rice in grams for size of implant so for you it will be 230gram . my friend laughed at me when i asked if i should cook it but i never thought about how big rice swells when cooked id of had a big pressure cooker full ha ha , so no hun you dont need to cook it xxx its a big akward when the rice is in the tights ball though as mine kept falling into a wierd shape so was hard for me to get an accurate idea about size and shape xxx