US / UK Crochet Terminology Converter
Swap stitch names between US and UK terms.
Live US / UK Crochet Terminology Converter
Instant browser calculations & session state saved locally.
Key Capabilities
- ✓Instant two-way translator: US to UK and UK to US
- ✓Stitch comparison reference table (e.g. US Single Crochet = UK Double Crochet)
- ✓Hook size comparison table (metric mm, US letter, UK number)
- ✓Full pattern text auto-conversion tool
Expert Crafting Advice
- 💡If a pattern mentions "single crochet", it is written in US terminology (UK crochet has no single crochet).
- 💡US Double Crochet = UK Treble Crochet; both start with yarn over once.
How the US / UK Crochet Terminology Converter Works
The US / UK Crochet Terminology Converter works in 4 steps.
- 1
Identify the system
Check the pattern for "US terms" or "UK terms". A pattern with no single crochet is UK.
- 2
Look up each stitch
Find each stitch in the conversion table below.
- 3
Write a key in your notes
Save the conversions in the notes box, such as "UK dc = US sc".
- 4
Count as normal
Use the counter with the converted stitch names in mind.
US / UK Crochet Terminology Converter Formula
The US / UK Crochet Terminology Converter formula shifts each stitch name by 1 height level.
UK stitch name = US stitch name one height level up
US stitch name = UK stitch name one height level down
- Height levels
- sc → dc → tr → dtr → trtr in US order
Worked example: A US hdc becomes a UK htr, and a UK tr becomes a US dc.
US / UK Crochet Terminology Converter Conversion Table
The US / UK Crochet Terminology Converter conversion table lists 10 terms that change between the 2 systems.
| US term | US abbr. | UK term | UK abbr. |
|---|---|---|---|
| Slip stitch | sl st | Slip stitch | ss |
| Single crochet | sc | Double crochet | dc |
| Half double crochet | hdc | Half treble | htr |
| Double crochet | dc | Treble | tr |
| Treble crochet | tr | Double treble | dtr |
| Double treble | dtr | Triple treble | trtr |
| Skip | sk | Miss | — |
| Yarn over | yo | Yarn over hook | yoh |
| Gauge | — | Tension | — |
| Fasten off | — | Cast off / fasten off | — |
Chain (ch) is the same in both systems.
What is a US / UK Crochet Terminology Converter?
A US / UK crochet terminology converter is a tool that translates stitch names between American and British crochet terms. The Crochet Stitch Counter US / UK Crochet Terminology Converter prevents the most common pattern mistake: working a stitch one height too tall or too short.
The US and UK systems use the same words for different stitches. A US single crochet (sc) is a UK double crochet (dc), and a US double crochet is a UK treble (tr). Working a UK pattern with US stitches makes every row taller and the piece larger.
Australian patterns follow UK terms. Most patterns state the system near the top of the first page.
What are the Uses of a US / UK Crochet Terminology Converter?
There are 4 main uses of a US / UK Crochet Terminology Converter.
Working UK patterns in the US
Stitch names convert before you start.
Writing patterns for both markets
Designers list both term sets.
Fixing size problems
A piece that grew too tall often used the wrong system.
Teaching mixed groups
One table settles which stitch everyone means.