I cast on something last night that I'm hoping will turn into a sock. I dug through the stash for some yarn, made a swatch, measured my stitches per inch, measured my leg, multiplied, and cast on what the calculator told me. It's not even a tube yet since I'm also just now learning how to knit in the round on DPNs and I needed a break after one round. I'm pretty sure it's going to be bulky and full of gaps and look terrible. All of that will be okay as long as it's sock-shaped.