Approximate finished sizes (for each square) in filet crochet (once through the chart, worked in 4 dc mesh):

• size 5 thread: (205 yards) and a size US 4 steel hook, finished size is about 11.1 inches x 12.7 inches.
• size 10 thread: (182 yards) and a size US 7 steel hook, finished size is about 9.2 inches x 10 inches.
• size 20 thread: (171 yards) and a size US 9 steel hook, finished size is about 8.8 inches x 9.6 inches.
• size 30 thread: (160 yards) and a size US 11 steel hook, finished size is about 8.4 inches x 9.2 inches.
• fingering/baby weight yarn: (400 yards) and a size US F hook, finished size is about 28 inches x 28.8 inches.
• sport weight yarn: (464 yards) and a size US G hook, finished size is about 32 inches x 32.8 inches.
• worsted weight yarn: (528 yards) and a size US I hook, finished size is about 36 inches x 36.8 inches.

Gauge:

• size 5 thread: 5 squares = 1.4 inches, 5 rows = 1.6 inches
• size 10 thread: 5 squares = 1.2 inches, 5 rows = 1.3 inches
• size 20 thread: 5 squares = 1.1 inches, 5 rows = 1.2 inches
• size 30 thread: 5 squares = 1 inch, 5 rows = 1.1 inches
• fingering/baby weight yarn: 5 squares = 3.5 inch, 5 rows = 3.6 inches
• sport weight yarn: 5 squares = 4 inch, 5 rows = 4.1 inches
• worsted weight yarn: 5 squares = 4.5 inch, 5 rows = 4.6 inches