If you are following an American crochet pattern, then these abbreviations apply.
| ch(s) | chain stitch(es) | | lp(s) | loop(s) |
| sl st | slip stitch | | inc | increase |
| sc | single crochet | | dec | decrease |
| dc | double crochet | | rnd(s) | round(s) |
| hdc | half double crochet | | sk | skip |
| tr | treble crochet | | st(s) | stitch(es) |
| dtr | double treble crochet | | sp(s) | space(s) |
| tr tr | triple treble crochet | | beg | beginning |
| FPdc | front post double crochet | | rep | repeat |
| BPdc | back post double crochet | | tog | together |
| reverse sc | reverse single crochet | | rs | right side |
| lp st | loop stitch | | ws | wrong side |
| BLO or BL | Back Loop Only - Back Loop | | yo | yarn over |
| FLO or FL | Front Loop Only - Front Loop | | CC | contrasting colour |
| Rev | Reverse | | MC | main colour |
If your pattern is UK, Europe, Australia, or New Zealand based, then the following conversions apply.
| Canada/USA | UK/Australia/Europe |
| sl st - slip stitch | sl st - slip stitch |
| sc - single crochet | dc - double crochet |
| hdc - half double crochet | htr - half treble crochet |
| dc- double crochet | tr - treble crochet |
| tr - triple crochet | dtr or dbl tr - double treble |