Do you love big bluegill?
Or you can buy something like this:
Hey Tim...I know it is not the easiest scale to carry around, but I purchased a digital kitchen scale by MainStays at a local Wal-Mart for $20. It weighs accurately up to 10 pounds in pounds/ounces or grams. I got the idea from Bruce Condello when he brought a scale to Richmond Mill that he got on-line from 'The Biggest Loser' website. There are many food and kitchen scales that are very accurate and ideal for weighing panfish. We weighed our bluegills, bass and crappies on it and the weights were in 1/100 ths of a pound.
The only thing I don't like about mine is that it has a glass weigh plate, and you have to be a little careful with it. Operates on a single lithium battery, which is included. We weighed a 2.055 and a 2.155 bluegill on it at RM. the last time down, and I believe those weights were very accurate for those gills that were just shy of 12 inches in length. We also weighed bass up to six pounds with it.
No, not the kind of scale you can carry in your vest, but you can certainly keep it in your boat or keep it dockside to weigh fish from a livewell.
Hope this helps...