SOCKKNIT

Gauge & Stitch Calculator

Turn your swatch into stitches and rows per inch, scale it to any target size, and check it against a pattern's stated gauge.

How many stitches wide is your swatch?
Measured flat, unstretched — usually 4in.
How many rows tall is your swatch?
Measured flat, unstretched — usually 4in.
The finished width you're knitting to.
The finished length you're knitting to.
Compares your gauge to the pattern's stated gauge.

Your gauge

Stitches per inch
5.00
Rows per inch
7.00
Stitches for target width
40
Rows for target length
70

Why gauge decides everything else

Every other calculator on this site — yardage, sock sizing, cast-on counts — starts from your gauge. Get the stitches-and-rows-per-inch number right and the rest follows; get it wrong and a “correct” formula will still hand you a sock that doesn't fit.

This tool takes the two numbers a swatch actually gives you — stitch count and row count over a measured width and length — and turns them into a per-inch rate you can scale to any project size, or compare directly against what a pattern calls for.

Frequently Asked Questions

How do I measure a gauge swatch correctly?

Knit a swatch at least 5 inches square in the stitch pattern your project uses, then wash and block it the way you'll treat the finished piece — blocking can change gauge noticeably, especially for wool. Lay it flat, unstretched, and count stitches and rows over a clean 4-inch span in the middle, away from the curling edges.

Why does my gauge not match the pattern's stated gauge?

Everyone knits at a slightly different tension, and needle material (metal, wood, bamboo) changes how yarn glides across it too. If your stitch count over 4 inches is higher than the pattern's, you're knitting tighter than the designer — try a needle size up. If it's lower, you're knitting looser — try a needle size down. Re-swatch after any needle change; don't assume.

Does row gauge matter as much as stitch gauge?

For most sock and top-down patterns, stitch gauge (circumference) matters more than row gauge, since length is often worked to a measurement rather than a fixed row count. But for patterns with shaping tied to specific rows — a heel flap, a raglan increase schedule — row gauge being off can shift where that shaping lands, so it's worth checking both.

A planning aid, not a substitute for swatching. Block your swatch the way you'll treat the finished piece before you measure it.