Interactive Maker Utilities

US ↔ UK Crochet Pattern Converter

Convert crochet patterns between US and UK terminology while preserving line breaks, stitch counts, and repeat instructions.

Deterministic Terminology Engine100% Free & Client-Side

US ↔ UK Crochet Pattern Converter

Instantly convert crochet patterns between American (US) and British (UK) terminology while preserving line breaks, stitch counts, parentheses, and repeats.

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Quick US vs UK Stitch Translation Cheat Sheet

US Term (American)UK Term (British)Stitch Height / DescriptionSlip St / Joins
Single Crochet (sc)Double Crochet (dc)Shortest basic stitch (1 loop pull through)sl st / ss
Half Double Crochet (hdc)Half Treble Crochet (htr)Yarn over, pull through all 3 loopssl st / ss
Double Crochet (dc)Treble Crochet (tr)Standard granny stitch (pull through 2 loops twice)sl st / ss
Treble / Triple Crochet (tr)Double Treble Crochet (dtr)Yarn over twice before inserting hooksl st / ss
Double Treble Crochet (dtr)Triple Treble Crochet (trtr)Yarn over 3 times for extra tall open lacesl st / ss
Gauge (e.g. 16 sc = 4")Tension (e.g. 16 dc = 10 cm)Swatch density and stitch sizing measurement-
Skip (sk)MissBypass the specified number of stitches or chains-

US ↔ UK Crochet Pattern Converter — Instant Terminology Translation

Convert pattern repeats, stitch counts, and decreases between American and British terminology with zero formatting loss.

US vs UK Crochet Terms

One of the most common challenges for crocheters is distinguishing between American (US) and British (UK) terminology. Because both traditions use identical names—such as double crochet and treble crochet—for stitches of completely different heights, following a pattern in the wrong terminology will distort your finished project sizing and drape.

In US terminology, stitches are named after the number of yarn overs and loops drawn through to complete the stitch. In UK terminology, stitches are named after the number of loops sitting on the hook before working the final yarn over. For example, a US double crochet (dc) corresponds to a UK treble (tr).

How to Convert a Crochet Pattern from US to UK Terms

  1. Identify the Origin Terminology: Scan the pattern for "Single Crochet (sc)" or "Gauge". If present, the pattern is written in US terms. If you see "Half Treble (htr)" or "Tension", it is written in UK terms. You can also refer to our Crochet Abbreviation Dictionary for quick reference.
  2. Paste Your Pattern into the Converter: Paste your pattern text directly into our free converter above.
  3. Select Direction: Choose US → UK or UK → US.
  4. Convert & Review: Click Convert Pattern. Review the conversion breakdown table to verify all converted stitch terms, and cross-check hook measurements with our Hook Size Converter or Needle Size Converter.

How the US to UK Crochet Converter Works

Our converter uses a deterministic, token-aware replacement engine built entirely in client-side TypeScript. Unlike basic text replacement tools, it operates safely with the following guarantees:

  • Compound Term Safety: Converts multi-stitch abbreviations like sc2tog → dc2tog, FPdc → FPtr, and hdc3tog → htr3tog without breaking stitch codes.
  • Collision-Free Execution: Prevents chained substitution errors (for example, converting sc to dc will never accidentally re-convert that new dc into tr in the same pass).
  • Preserves Pattern Structure: Retains all numbers, row labels, stitch counts in parentheses, asterisks, brackets, and line breaks exactly as formatted.
  • Contextual Term Translation: Translates skip → miss and gauge → tension when used in pattern contexts without modifying unrelated English words.

Common US and UK Crochet Abbreviations

US Term (American) UK Term (British) Stitch Height Common Abbreviation
Single Crochet Double Crochet Shortest basic stitch sc ↔ dc
Half Double Crochet Half Treble Crochet Medium-short stitch hdc ↔ htr
Double Crochet Treble Crochet Standard granny stitch dc ↔ tr
Treble / Triple Crochet Double Treble Crochet Tall lace stitch tr ↔ dtr
Double Treble Crochet Triple Treble Crochet Extra tall open stitch dtr ↔ trtr
Slip Stitch Slip Stitch Flat joining stitch sl st ↔ ss

Frequently Asked Questions

Q: Does this converter change stitch counts or numbers?
A: No. The converter preserves every number, row counter, bracket, and stitch count in parentheses (e.g. (sc, inc) × 6 [18 sts] safely becomes (dc, inc) × 6 [18 sts]).

Q: Is this tool an AI translator?
A: No. This tool is a deterministic terminology converter. It runs 100% locally in your browser with zero latency and no external API calls. Always review the converted pattern before beginning your project.