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Home › Crochet abbreviations › FO: Fasten off

FO: Fasten off

Cut the yarn, leaving a tail, and pull the cut end through the last loop to secure it. Cast on and bind off bracket your work. They set the stitch count at the start and fix it at the end.

How to work FO

Cut the yarn, leaving a tail, and pull the cut end through the last loop to secure it.

Common mistake

Cutting the tail too short to weave in.

Effect on your stitch count

It does not change the stitch count by itself.

Related abbreviations

All terms are in the crochet abbreviations list, and in the app's Glossary, which works offline.

Frequently asked questions

What does FO stand for?

FO stands for fasten off.

Does FO change the number of stitches?

It does not change the stitch count by itself.

Last updated 7 November 2026. Stitchlight is an independent app; this page is written for readers, not for search engines. Spotted a mistake? Tell us.

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