โ๏ธ DIY & Craft
Knitting Calculator
Knitting patterns are written for one gauge, so if your swatch differs from the pattern the finished garment will not fit. Measuring your own stitches and rows per four inches and recalculating the cast-on is the single most useful habit in knitting.
How it works
Stitches in your swatch
Rows in your swatch
Swatch size
Desired width
Desired length
Pattern gauge (stitches per 4 in)
Your stitches per inch
Your rows per inch
Cast on
Rows needed
Your gauge versus the pattern
Width you would get at pattern gauge
Yarn estimate
Frequently asked questions
How do I use the Knitting Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.