Here are some handy free printable knitting tools. (You'll need Acrobat Reader or Mac Preview to open and print).
These are good for a few sheets but any more than that and it gets expensive in printer ink and paper. That's why I made the Tricksy notebooks full of knitting graph paper (also available in lined).
Knitting Graph Paper
I designed this for myself and use it frequently. Normal graph paper is square, which can be misleading when you are planning a colour chart or stitch pattern, because knitting stitches are usually wider than they are tall. This also has heaver lines every 5 sts/5 rows for easy counting.Download Letter Size Knitting Graph Paper