Is DC the same as SC in crochet?
A half double crochet stitch (hdc) produces a tight fabric, and is in between the height of single crochet (sc) and double crochet (dc). To start, yarn over and insert your hook into the first stitch on the row (or into the 3rd chain from your hook).
Does SC or DC use more yarn?
The verdict? When considering height, shorter stitches use more yarn. The single crochet swatch used the most yarn. On this small sample of 2″ x 6″ swatches, the half double crochet used 13″ less yarn than the single crochet.
Does using a bigger crochet hook use less yarn?
If you are using the same pattern (same number of stitches and rows/rounds), a larger crochet hook will use up more yarn. If you are going for the same size of project (say a 36 by 36 inch blanket), a larger crochet hook will use up less yarn.