A crochet pattern can be written in English and still send you in the wrong direction. The reason is simple: US and UK crocheters use some of the same stitch names for different stitches. A US double crochet is not a UK double crochet.
If you have ever worked several rounds and wondered why your toy looked taller, looser or nothing like the photograph, check the terminology before changing yarn or hook size. Here is a conversion guide you can keep open beside your pattern.
Quick answer: how do US and UK crochet terms differ?
In the most common basic stitches, a UK stitch name is one level higher than its US equivalent. For example, US single crochet (sc) = UK double crochet (dc). Likewise, US double crochet (dc) = UK treble crochet (tr). The physical stitch is the same; only its name changes.
| Same physical stitch | US name | UK name |
|---|---|---|
| Shortest common stitch | Single crochet (sc) | Double crochet (dc) |
| Medium-height stitch | Half double crochet (hdc) | Half treble crochet (htr) |
| Taller stitch | Double crochet (dc) | Treble crochet (tr) |
| Extra-tall stitch | Treble crochet (tr) | Double treble crochet (dtr) |
| Very tall stitch | Double treble crochet (dtr) | Triple treble crochet (trtr) |
| Basic movement | Chain (ch), slip stitch (sl st) | Chain (ch), slip stitch (ss/sl st) |
Important: A pattern might use author-specific abbreviations. Always follow its printed stitch glossary over any general conversion table.
How to tell whether a pattern uses US or UK terms
1. Look for the terminology statement
Well-prepared patterns normally state “US terminology” or “UK terminology” near their materials or abbreviations. That statement settles the question. If you only see the words “written in English,” it does not settle it.
2. Check for “single crochet”
If the instructions repeatedly use sc, they are probably written in US terms: UK patterns generally call that physical stitch a double crochet. This is a helpful clue, not a substitute for a proper glossary.
3. Study the abbreviation key
US hdc often corresponds to UK htr. A pattern using htr, dtr and a short dc stitch may follow UK naming. Read the actual directions for each special stitch when in doubt.
4. Compare the intended fabric
A tight amigurumi body built mostly with US sc should make short, compact stitches. If you interpreted those as tall US dc stitches, the fabric would likely be too open for stuffing. That is a useful warning, although tension can also change the appearance.
Worked example: translating a pattern line
Imagine a US pattern says: Round 3: (sc, inc) × 6 — 18 sts. This means one US single crochet followed by an increase (two US single crochets in the next stitch), repeated six times. In UK terminology you would work the exact same physical stitches as: (dc, 2 dc in next stitch) × 6 — 18 sts.
Do not automatically translate abbreviations in an increase, cluster, shell or decrease without checking its definition. The designer may have given a special instruction that changes how it is made.
Does hook size change between countries?
The stitch terminology changes; a 4.0 mm hook is still 4.0 mm. Letter and number labels can differ, so the millimetre measurement is the safest reference. Yarn category names may also vary across countries, which is why a labelled yarn weight and a matching gauge swatch matter.
A five-minute check before your first row
- Find the pattern’s US or UK terminology statement.
- Read its abbreviations and special-stitch instructions.
- Compare the stitches shown in its progress photographs.
- Make a short sample using the stated hook and yarn.
- Check stitch counts after the first few rows or rounds.
Frequently asked questions
Is UK double crochet the same as US double crochet?
No. UK double crochet is the same physical stitch as US single crochet. US double crochet is the same as UK treble crochet.
Are chain and slip stitch translated?
They are generally the same actions, though the abbreviation for slip stitch may vary. Check your pattern key.
Can I convert a whole pattern by replacing stitch names?
Often you can convert basic terminology, but special stitches, turning chains and technique notes still require careful reading. Preserve the designer’s stitch counts and construction logic.
For another essential skill, read our crochet pattern buyer’s checklist or learn how to decode stitch counts and repeats. You can also browse the Motifelle Shop as our new, quality-checked catalog develops.
Reference
Stitch equivalences are based on the Craft Yarn Council’s standards and US/UK abbreviation chart.