DK (11 wpi) ?
20 stitches and 26 rows = 4 inches
in stocking stitch
US 6 - 4.0 mm
1000 - 1600 yards (914 - 1463 m)
34, 38, 42, 46, 50, 54

Lulu is a top-down, seamless knit with set-in sleeves and English tailored shoulders. The construction means your options are wide open; knit her as a tunic or keep going and knit a dress. Likewise with the sleeves, knit them to the exact length you prefer. And when you BO just block and she’s ready to wear! (Coco Knits pamphlet)

Designer’s examples knit in Green Mountain Spinnery Cotton Comfort as example one. Second example knit with Habu wool held with wool stainless steel.

Amount of yarn needed will vary depending upon your choices for body and sleeve length. Yardage given should provide yarn sufficient for a tunic length garment with elbow length sleeves.