Depends what you are weighing. For example butter is heavier than flour.... And water etc if you were weighing butter 60 grams = 3-4 tablespoons try this site www.onlineconversion.com you can convert anything there
As far as I am led to believe they hurt like hell!!
www.romulation.net I used this site for the first time last week and I works brilliantly. I had to also download a bit zipper as its zipped files which are downloaded but once you unzip them they work fine. Hope this helps.