For amounts < 3 ounces measure out tablespoons of water into the cups and mark with a sharpie. 1 tablespoon equals 1/2 ounce.Dip it out with disposable bathroom-size (3oz) Dixie cups.
If you know any diabetics get some used syringes. They even have volume marks on them.
For getting small amounts of paint out of a can to use as touchup on my epoxy garage floor I've put a soda straw in the paint, hold my finger over the open end and extract a straw-full at a time. Throw the straw in the trash when you're done.
.
...I have a gallon of West Systems resin and a quart of hardener that I've been trying to figure out how to measure small amount of so I can use some of it before it goes bad.
