Graph paper is used to draw graphs on. Although the graph can be modified to fit the graph paper you have, different kinds of graphs require different kinds of graph paper for best results. Sometimes you might not find the graph paper with the exact dimensions you want at your local shop. You need to download printable graph paper online.
Paperkit is a very useful web tool that will generate custom graph papers for you in the exact dimensions you want them. As soon as you launch the website you will see a grid on the right side to customize the margins and spacing of the graph paper you want.
There is a real time preview right there that shows how the graph paper will look like. When you scroll down a bit you will see some ready made templates which you can select from and download as PDF documents which you can then print out later.
Paperkit also lets you customize dotted and lined papers and download them as PDF documents.