Circular Needle Length Calculator
Determine the right circular needle length for your project based on the project diameter, stitch count, and gauge.
Inputs
in
Results
Recommended Needle Length
9 in
Maximum Usable Length20 in
Project Circumference22 in
Stitches from Gauge110 sts
Ideal Needle Circumference18.7 in
How to Use This Calculator
- Enter your project circumference in inches (e.g., hat = 20-22 in, sweater body = 40-45 in).
- Input the needle size in mm and your gauge in stitches per inch.
- Review the minimum cable length recommendation for comfortable magic-loop or in-the-round knitting.
- Choose a needle cable length at least 2 inches shorter than your project circumference for in-the-round.
- For magic loop, select a 32-40 inch cable regardless of project size.
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