For the Plumbago Sweater, amount of yarn required is listed below for each size: XS -1120 yards/6 hanks S - 1260 yards/6 M- 1400 yards/7 L - 1540 yards/7 XL - 1680 yards/8 2X - 1820 yards/9 3X - 1960/9 4X -2100/10 5X - 2240/11