Pixel Size

Alright, so I was going to make an image and print it out on a normal size piece of paper for one of my classes. Now normaly I would just print it off and be done with it but I started to think and I was wondering if anyone had a good pixel translation like was DPI to use for what sizes and everything, I’m currently working w/o PS so I can’t look on it for my answer. If anyone knows a good tutorial about image sizes and everything let me know :slight_smile: Thanks!