Knitting Needle Converter
Convert knitting needle with this free online tool
Knitting Needle Converter
Convert between US, metric (mm), and UK knitting needle sizes instantly. Includes a complete reference table with recommended yarn weights.
Complete Needle Size Reference
| US Size | Metric (mm) | UK / Canadian | Recommended Yarn |
|---|---|---|---|
| 0 | 2 | 14 | Lace / Fingering |
| 1 | 2.25 | 13 | Lace / Fingering |
| 2 | 2.75 | 12 | Fingering / Sport |
| 3 | 3.25 | 11 | Sport / DK |
| 4 | 3.5 | 10 | Sport / DK |
| 5 | 3.75 | 9 | DK / Worsted |
| 6 | 4 | 8 | Worsted |
| 7 | 4.5 | 7 | Worsted / Aran |
| 8 | 5 | 6 | Worsted / Bulky |
| 9 | 5.5 | 5 | Bulky |
| 10 | 6 | 4 | Bulky |
| 10.5 | 6.5 | 3 | Bulky |
| 11 | 8 | 2 | Super Bulky |
| 13 | 9 | 1 | Super Bulky |
| 15 | 10 | 0 | Super Bulky / Jumbo |
| 17 | 12 | 00 | Jumbo |
| 19 | 15 | 000 | Jumbo |
| 35 | 19 | - | Jumbo |
| 50 | 25 | - | Jumbo |
How to Use This Converter
- Select which measurement system you are converting from (US, Metric, or UK).
- Enter the needle size in that system.
- Click Convert to see the equivalent sizes in all three systems.
- The recommended yarn weight for that needle size is also displayed.
All conversions are performed locally in your browser. No data is sent to any server. Size charts follow standard Craft Yarn Council guidelines.
Free knitting needle converter with instant results. No account needed, works on any device, completely private.
Key Features
Instant knitting needle converter conversions
Supports multiple input formats
Batch conversion capability
Copy results with one click
No installation needed
100% free online converter
How to Use Knitting Needle Converter
Enter Your Data
Input your values or data into the knitting needle converter tool fields
Configure Options
Adjust any optional settings or parameters for your specific needs
Get Instant Results
The tool automatically calculates and displays results in real-time
Copy or Export
Copy the results to clipboard or use them directly in your project
Repeat as Needed
Run the tool again with different inputs — unlimited usage, completely free
Use Cases
Use knitting needle converter for personal projects
Professional and academic applications
Quick reference and verification
Everyday productivity and convenience
Frequently Asked Questions
Is the Knitting Needle Converter free to use?
Yes, the Knitting Needle Converter is completely free with no registration required. Use it as many times as you need.
Do I need to create an account?
No account needed. All tools work instantly in your browser without any signup or login.
Is my data safe?
Absolutely. All processing happens locally in your browser. Your data is never sent to any server.
Does the Knitting Needle Converter work on mobile?
Yes, the tool is fully responsive and works on phones, tablets, and desktop computers.
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