Guide
Sewing machine settings for different fabrics
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In short
Start with a universal 80/12 needle and a 2.5 mm straight stitch for cotton, a fine 70/10 microtex needle and 2 to 2.5 mm for polyester and satin, a ballpoint 90/14 and 3 mm stitch for fleece, and a denim 100/16 needle with a 3 to 3.5 mm stitch for denim and thick fabric. Leave tension near the middle setting, adjust foot pressure for thick or slippery fabric and always test on a scrap first.
Products for this job
Compare all 6 productsJanome JW8100: 100 stitches, 7 buttonhole styles
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Check price on AmazonAffiliate linkBrother FS200CE: 200 stitches with walking foot
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There is no single right setting for every fabric, but there are good starting points. Needle type and size, stitch length, tension and presser foot pressure do most of the work, and once you know how each fabric behaves you can adjust quickly. This guide gives starting settings for the fabrics people ask about most, explains why each change helps and links to our deeper guides. Always test on a scrap of the same fabric, folded to the same number of layers.
Starting settings at a glance
These are common guidance values for a domestic machine sewing a plain seam. Adjust after testing.
| Fabric | Needle | Stitch length | Notes |
|---|---|---|---|
| Quilting cotton, poplin | Universal 80/12 | 2.5 mm | Tension near the middle |
| Polyester, crepe | Microtex 70/10 or 75/11 | 2 to 2.5 mm | Polyester thread |
| Satin, silk-like | Microtex 60/8 to 70/10 | 2 mm | Light foot pressure, tissue underneath if needed |
| Fleece | Ballpoint 90/14 | 3 mm | Walking foot helps |
| Denim | Denim 100/16 | 3 to 3.5 mm | Longer stitch for topstitching |
| Canvas, upholstery | Denim 100/16 to 110/18 | 3.5 mm | Extra foot lift, sew slowly |
| Jersey, stretch | Ballpoint or stretch 75/11 | Narrow zigzag or stretch stitch | See our stretch guide |
Cotton and other medium wovens
Cotton is the easiest fabric to sew and the best place to learn. A universal 80/12 needle, a 2.5 mm straight stitch and the default tension suit poplin, quilting cotton and shirting. For quilting, many sewers shorten the stitch to about 2 mm for piecing so seams do not open when you cut through them.
If seams pucker on fine cotton lawn, switch to a 70/10 needle, shorten the stitch slightly and lower the upper tension a little. Our tension guide explains how to read the stitch.
Balanced
Upper too tight
Upper too loose
Polyester and satin
Polyester and satin are smooth and tightly woven, so a blunt needle pushes the fibres aside and causes puckering and skipped stitches. A sharp microtex needle in a fine size gives clean holes. Use polyester thread, a slightly shorter stitch and, if the fabric slips, reduce presser foot pressure or put tissue paper underneath and tear it away afterwards.
Hold the fabric gently in front and behind the foot without pulling, and sew at a steady medium speed. Pins can mark satin, so pin within the seam allowance or use clips.
Fleece and other thick knits
Fleece is thick and stretchy but forgiving. A ballpoint 90/14 needle avoids snagging the knit, a longer 3 mm stitch stops seams looking stretched and a walking foot helps the thick layers feed together. A narrow zigzag adds a little stretch to seams that take strain.
Fleece sheds lint, so clean the bobbin area after a fleece project. For lighter knits, follow our how to sew stretch fabric guide.
Denim, canvas and thick fabric
Thick fabric needs a strong, sharp needle and a longer stitch. Use a denim needle in 100/16, or 110/18 for heavy canvas, with strong polyester thread. Lengthen the stitch to 3 to 3.5 mm so the feed can move the layers, raise the foot to its extra lift position for bulky seams and sew slowly over hems and flat felled seams.
If the machine struggles, reduce the number of layers by trimming and grading seams, and hammer thick seam junctions flat. Our how to hem jeans guide shows the technique, and the best heavy duty sewing machines guide covers machines made for this work.
When to change tension and foot pressure
Change the needle and stitch length first; they solve most problems. Adjust upper tension only when the stitch is unbalanced, in small steps. Foot pressure, where your machine has it, matters for very thick or very slippery fabric: lighter pressure for slippery or stretchy fabric, standard pressure for most wovens.
Use our needle size guide to check needle choices, and see sewing machine needle size chart for the full table.
Frequently asked questions
What tension should my sewing machine be on? Most machines sew well with the tension dial near its middle or default setting. Change it only if the stitch is unbalanced after rethreading and changing the needle.
What stitch length is best for thick fabric? About 3 to 3.5 mm. Short stitches on thick fabric jam and perforate the material.
What needle do I use for polyester? A sharp microtex needle in 70/10 or 75/11 for light polyester, or a universal 80/12 for medium weight polyester blends.
Do I need a walking foot for fleece? It is not essential, but it helps thick layers feed evenly and stops the top layer creeping.
What you need
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Janome JW8100: 100 stitches, 7 buttonhole styles
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Janome HD3000BE: metal body plus quilting kit
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Janome 5270QDC: 270 stitches, 12 buttonholes, knee lifter