Crochet abbreviation
What does FO mean in crochet?
Cut the yarn and pull the tail through the last loop to secure the work.
By the crochetpatterns.io editorial team · Updated · Editorial policy
| US patterns | UK patterns | |
|---|---|---|
| Abbreviation | FO | FO |
| Meaning | fasten off | fasten off |
FO is short for fasten off in US patterns; UK patterns write FO (fasten off).
How FO appears in real patterns
Rep Row 2 until the work is 7½ in (19 cm) long. FO.
From Crochet Jacket in Shell Pattern (1911): vintage crochet pattern
Rep Row 2 until the work is 8 in (20 cm) in length. FO.
Rep Row 2 12 times more. FO.
From Shell Crochet Bonnet with Turned-Back Front (1911): vintage crochet pattern
Work on in this way, increasing in the centre, and working through the back thread of the sts until you have 22 rows. FO.
Sources and scope
- Craft Yarn Council: Crochet Abbreviations Master List
Reference for US abbreviations and the main US/UK stitch-name differences. A designer's own abbreviation key takes precedence for special stitches.

