Also known as stockinette stitch.
Stocking stitch is worked on a multiple of 2 rows: Right side Knit and Wrong Side Purl.
Stocking stitch can curl at the edges so the image attached has a garter stitch edging.
Multiples of stitches are not required.
when knit flat
Knitting needles: 4mm / USA 6
Tension: 22 stitches and 28 rows = 10cm / 4in square
K knit, P purl
Cast on required number of stitches.
*First row k every stitch
Second row p every stitch*
Repeat from * to * until length required
Cast off using a K or P stitch for the row depending on how the next row presents itself, ie. if your previous row was a p row, cast off as a knit row and vice versa.
Read each row right to left.