Half up half down crochet is an informal nickname some crocheters use for half double crochet, describing how the stitch’s three-loop pull-through sits partway between a single crochet’s simple loop and a double crochet’s taller structure. This stitch goes by a few different informal names. This guide clears up the terminology.

Direct Answer
Half up half down refers to half double crochet, abbreviated hdc, named informally for its in-between height and loop structure compared to single and double crochet.

Frequently asked questions
Is half up half down the official name for this stitch?
No, the official name is half double crochet in US terminology or half treble in UK terminology. Half up half down is simply an informal, descriptive nickname some crocheters use.
Ready to learn the stitch itself?
See the full step-by-step for working half double crochet.
Learn to make an hdc stitch


