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Home › Knitting abbreviations › BO: Bind off (cast off)

BO: Bind off (cast off)

Knit two stitches, pass the first over the second, then knit one more and pass over again until one loop remains. 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 BO

Knit two stitches, pass the first over the second, then knit one more and pass over again until one loop remains. Cut the yarn and pull it through the last loop.

Common mistake

Binding off too tightly; use a larger needle or work the bind-off loosely.

Effect on your stitch count

It does not change the stitch count by itself.

Related abbreviations

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

Frequently asked questions

What does BO stand for?

BO stands for bind off (cast off).

Does BO 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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