Yes, Sara, there is free graph paper on the web! Knitter's graph paper! Woooo!
Or you could be a total weirdo like me and make some in a drawing program. Hopefully you guys have got better things to do with your time than draw lines. I mean, I've got better things to do with my time than draw lines, but I do it anyhow. I probably had a paper to revise or something. Go figure.