Halstørklædet er knap 2 m langt og 23 cm bredt

which in the given example would give you 30 cm [11¾ inches] of positive ease

As an extra detail

which are worked separately and then joined to form the front yoke

Please note that working brioche stitch in the round on a circular needle means that the brioche stitches are knitted on every other round and purled on every other round

Everyday Socks LANGUAGE:Norsk Halstørklædet er knap 2 mThe Everyday Socks are worked from the cuff to the toe. The socks are worked in stockinette stitch either in stripes or in one solid color. The heel is shaped with short rows. Sizes: EU shoe sizes: 35 36 (37 38) 39 40 (41 42) 43 44 US womens shoe sizes: 5 6 (6 7) 8 9 (9 10) 11 12 Gauge: 30 sts x 40 rows = 10 x 10 cm [4 x 4 inches] in stockinette stitch on 2. 5 mm [US1] needles Needles: Double pointed needles: 2. 5 mm [US1] (or a 2. 5 mm [US1] 60 or 80