I use a kitchen scale like the one in the link. It measures in grams, but I just google to conversation to oz. It takes 10 extra seconds

http://www.amazon.com/WeiHeng®-0-04oz-Digital-Kitchen-Compact/dp/B0096YDPNA/ref=sr_1_11?ie=UTF8&qid=1393554262&sr=8-11&keywords=kitchen+scale