Knitting Stitch Count Calculator
Created by: Ethan Brooks
Last updated:
Calculate exactly how many stitches to cast on for your desired project width. This calculator accounts for your gauge, pattern stitch multiples, and edge stitches to give you the perfect cast-on count every time.
Knitting Stitch Count Calculator
KnittingCalculate exactly how many stitches to cast on for your desired width
Width & Gauge
Pattern Adjustments (Optional)
Example: 2×2 rib = multiple of 4. Some patterns need "multiple of X + Y" (enter Y in "Extra for Pattern").
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What is a Knitting Stitch Count Calculator?
A Stitch Count Calculator helps knitters determine exactly how many stitches to cast on for their desired project width. Enter your gauge and measurements to calculate the perfect cast-on number, accounting for pattern multiples and edge stitches.
Whether you're designing your own pattern, modifying an existing one, or just want to verify your cast-on count, this calculator takes the guesswork out of the math and ensures your project will be the right size.
Understanding Stitch Counts
Base Stitch Count: Gauge (stitches/inch) × Desired width (inches)
Pattern Multiple: Number of stitches needed for one pattern repeat
Edge Stitches: Extra stitches for selvedge or seaming (typically 1-2 per side)
Final Cast-On: Adjusted count that works with your pattern multiple
Frequently Asked Questions
How do I calculate how many stitches to cast on?
Multiply your gauge (stitches per inch) by your desired width in inches. For example, if your gauge is 5 stitches per inch and you want a 20-inch width, cast on 100 stitches. Always add edge stitches if needed for seaming or selvedge.
What is a stitch pattern multiple?
Many stitch patterns require a specific number of stitches to complete one repeat. For example, a 2x2 rib needs a multiple of 4 stitches. If your calculated cast-on doesn't divide evenly, you need to round up or down to the nearest multiple.
Should I add extra stitches for seaming?
Yes, if you're seaming pieces together, add 1-2 edge stitches per side. These stitches will be hidden in the seam. For selvedge edges that won't be seamed, you might add 1 stitch per side for a neat edge.
Why does my knitting come out the wrong width?
Your gauge might not match what you calculated with. Always knit a gauge swatch first. Also, some stitch patterns (like cables) pull in the fabric, making it narrower. Blocking can also change dimensions.
How do I adjust stitch count for different sizes?
Calculate the stitch difference needed: (new width - original width) × gauge = additional stitches. Make sure the new total still works with your stitch pattern multiple. Professional patterns grade sizes using this method.
What are edge stitches and do I need them?
Edge stitches create a neat selvedge. Common methods: slip first stitch purlwise, knit last stitch for chains; or knit both edge stitches. They're optional for pieces that will be seamed but recommended for visible edges.
How do I calculate stitches for circular knitting?
For circular knitting, you don't need edge stitches since there's no seam. Your cast-on equals gauge × circumference. Make sure your total works with your stitch pattern multiple.
What if my pattern multiple doesn't divide evenly?
Round to the nearest multiple of your pattern. If you need 102 stitches but your pattern is a multiple of 8, choose either 96 or 104 stitches. Adjust your finished width expectation accordingly, or slightly adjust your planned width.
Sources and References
- The Knitter's Handy Book of Patterns by Ann Budd
- Principles of Knitting by June Hemmons Hiatt
- Craft Yarn Council, "Pattern Sizing Standards", 2024