The best way to find the perfect bowling ball weight is to, go to the bowling alley and pickup a few balls until you find the most comfortable one to throw. Play a game or two to find the best ball. Now weight the ball and add a pound or two with the weight to find the perfect weight of your bowling ball. This site helped me a lot in this sector. Check it out. hope this will help you too. http://mybowlingmate.com/best-bowling-balls/