By Janice Jones, Last Updated May 28, 2026
Have you ever discovered a stitch pattern you loved and decided to knit a quick swatch before starting a project? If so, what happened to that swatch afterward? When I first learned to knit, I created plenty of swatches, then threw them into a box, knowing that I would use that stitch pattern at some point, but not ready to start a new project. Then I cleaned out, and they went into the dumpster.

At first, many knitters treat swatches like temporary scraps of fabric. But over time, those little samples can become valuable references that save time, improve gauge accuracy, and help you make better project decisions.
Some people keep their swatches in the hope of sewing them all together to make something like a bag or a blanket, and that is fantastic, but what if that type of project does not appeal to you? What do you do with all those swatches afterward?
Why do we even take time to knit a swatch? Most knitters swatch to check gauge before beginning a project, and for good reason. But there are other reasons for knitting a swatch:
I am sure there are other reasons, but all of these are valid reasons for knitting a swatch. But just as important is what you do with that swatch once you are finished? Do you throw it into a box and forget it, or take the time to weave in ends, block, calculate gauge, or record the details for later reference?
Even if you are making that swatch prior to starting a big project, you should take the time to learn as much as you can about the yarn and needle combination. Many people unravel the swatch because they believe they will need the yarn to finish the project, but I recommend keeping it. Why?
As knitters, we may think we have amazing memories, but after swatching, we are not going to remember the information that we most likely need for future reference. Keeping records will save time and a great deal of frustration.
Gauge swatches are normally measured and calculated within a four-inch square (10 cm). Swatches should be larger than four inches, though, because you don’t want to measure the edge stitches or the cast-on or bind-off rows.
Always cast on the number of stitches indicated in the pattern. For example, if the stitch pattern calls for you to cast on a multiple of 7 + 2, you would cast on 7, 14, 21, or 28 and then add 2 stitches. To get a swatch larger than 4 inches, you will likely need to cast on 28 + 2 or 30 stitches.
If you are new to gauge calculations, I would recommend checking out my article on calculating gauge for knitters.

If you are just getting started with knitting, swatches can show you just how much you improve over time, and that is a huge confidence boost. Recording swatch details can also save you a great deal of time in the future, especially if you take time to block and calculate the gauge.
Say that this is the first time you use a particular yarn, but you soon realize it will be your favorite and you will return to the brand time and time again. If you keep your written details about needle sizes and gauge, you may not have to reswatch when you decide to use the same yarn again.
Some projects will benefit from using different needle sizes. I always say to use the needle size recommended on the yarn label, and that is good advice, but you may not want to follow those guidelines for every stitch pattern you knit.
For example, if you are knitting lace, you may want to go up a needle size or two. The only way you will know that is to knit a couple of swatches. Keeping this information handy will be helpful if you decide to create another similar project.

Some information may be more practical than other information, but a few vital pieces of info will be useful:
At the end of this article, you will be able to download a free record sheet. Print as many as you like. Each sheet has room for four swatches. Cut them up and pin them to your finished swatch. These are the steps to take.
Click the button to download the printable swatch tag sheet. Cut the sheet apart and attach each record to the matching swatch.
There are some general mistakes that new knitters make when creating their swatches:
Blocking allows the fibers to relax, so your blocked swatch will not be the same size as your unblocked swatches. Get into the habit of weaving in ends. You’ll be an expert after a few swatches.
It is always a good idea to check and follow the yarn label for the size needles to use. If you don’t get the gauge you need, reknit the swatch with a different size needle.
The gauge for flat versus circular knitting projects may be different. There is a way to swatch circular projects by using two double-point needles. It takes a little more yarn, and you won’t be able to unravel it and reuse the yarn, but it is worth it in the end.
Many yarns change after washing. A swatch that looks perfect before blocking may stretch, shrink, soften, or bloom afterward.
Throwing swatches away or unraveling and reusing the yarn is not a good practice in my opinion. Each swatch tells a story. (Examples)
If I haven’t convinced you yet, I hope you will keep your old swatches unless, of course, you live in a tiny home and storage is at a premium.
You may find that you fall in love with a specific needle, yarn, and stitch pattern, but don’t want to start a new project at this time.
Use twine or scrap yarn to tie the label to the swatch, or use rust-proof pins or safety pins.
Store in a cool, dry area in a covered box or bin, or start a swatch notebook.
Examining old swatches is like looking at old scrapbooks. Your swatches may be all that remains of projects made years ago – that scarf you made for Uncle Bob, the market bag for your sister, or a phone case you created as an end-of-school gift for your child’s teacher.
These free printable Swatch tags are my gift to you for visiting my website. Download them and print as many copies as you like. These printables are free for personal use but may not be reproduced for resale.
Consider creating a swatch notebook. A 2 or 3-inch 3-ring binder works well with plastic page protectors. Keep it with your other knitting books, and you have your very own stitch library that is better than any hardbound or softcover stitch guide.
Always know that we continue to learn and perfect our craft. Perfection does not come overnight. I can say I learned best from my mistakes, and one of the biggest was not saving my swatches. I do now, though, and I have several stitch notebooks to show for it.