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If you've ever walked into a craft store and stared at a wall of colourful thread wondering where to start, you're not alone. DMC stranded cotton is the most popular embroidery thread in the world, and for good reason. But with hundreds of colours on offer, understanding how it works before you buy will save you time, money and a fair bit of frustration.

Here's everything you need to know about DMC thread: what it actually is, how the numbering works, how to separate strands properly, how much to buy, and how to look after your collection once it starts growing.

What Is DMC Stranded Cotton?

DMC stranded cotton is a six-strand embroidery thread made from 100% long-staple Egyptian cotton. Each "skein" (the little bundle you buy) contains about 8 metres of thread, twisted into a loose hank with a paper band around the middle.

The key feature is that those six strands are divisible. You pull apart however many strands your pattern calls for, then recombine them before threading your needle. This is what gives you control over the thickness and coverage of a stitch.

• 6 strands: very thick, used for bold texture or couching
• 3 strands: chunky coverage on larger-count fabric
• 2 strands: the standard for 14-count cross stitch
• 1 strand: fine detail work, backstitch or petit point

If your pattern doesn't specify, two strands over one fabric thread on 14-count Aida is the usual starting point for a beginner project.

Why DMC Is the Trusted Choice

There are cheaper thread brands out there, so it's fair to ask why so many stitchers stick with DMC. A few reasons come up again and again.

• Colourfast: the dye is set well, so colours don't bleed onto your fabric when a finished piece is washed
• Fade-resistant: a finished piece stays vibrant for years rather than dulling in sunlight
• Consistent dye lots: colour 310 (black) is the same shade in every skein and every batch, which matters enormously if you're topping up mid-project
• Universal numbering: the overwhelming majority of cross stitch patterns worldwide are written using DMC colour numbers, so a pattern designed decades ago still matches thread bought today
• Smooth finish: the cotton is mercerised, which gives it a slight sheen and means it tends to tangle and fray less than cheaper alternatives

How the DMC Numbering System Works

Every DMC colour has a unique code printed on its skein label, and understanding roughly how that system is organised makes shopping a lot less daunting.

Most codes are a plain number, like 321 (a bright red) or 909 (a dark emerald green). A handful of whites and off-whites use letter-number codes instead, such as B5200 (bright white) and Ecru (a soft, warm off-white). Beyond that, DMC threads are loosely grouped in number ranges by colour family, so threads in the 300s tend to sit in the red and pink family, the 500s and 600s lean green, and so on. It's not a strict rule, but once you've handled thread for a while you start to get a feel for which range a colour is likely to fall in.

You don't need to memorise any of this to follow a pattern. A cross stitch chart will simply list the DMC numbers it uses, usually alongside a small colour swatch and sometimes a suggested strand count, like this:

• DMC 321: Red
• DMC 725: Topaz (golden yellow)
• DMC 909: Dark Emerald Green
• DMC 310: Black

You match the number on the skein label to the number in your pattern's key. There's no guessing involved, and no need to eyeball a colour and hope for the best. If you want a deeper look at how to read a full colour chart and compare shades side by side, that's covered in detail in our separate DMC Colour Chart Australia guide. This post focuses on the thread itself.

How Much Thread Do You Need?

Each skein holds about 8 metres of six-strand thread. For most small-to-medium cross stitch projects, one skein per colour is plenty, especially for colours used only for detail or accents.

A few things push that number up:

• Colours covering large background areas will often need two or three skeins
• Working with fewer strands (say, one strand instead of two) uses less thread per stitch, but you'll be making more passes to fill the same space, so it roughly evens out
• Backstitch and outlining, especially on a large piece, can use more thread than people expect

If your pattern comes with a supply list or a symbol count per colour, use that as your guide rather than estimating by eye. As a rough rule of thumb, budget one skein for every 300 to 500 full cross stitches in that colour on 14-count fabric, and round up rather than down.

A practical tip: buy one extra skein of whatever colour dominates your project. Running out three-quarters of the way through and having to track down the exact same dye lot, or wait on a restock, is one of the more annoying hold-ups in stitching.

How to Separate Strands Without Tangling

Stranding is a simple technique, but it trips up a lot of beginners the first few times. Here's a method that keeps things calm.

1. Cut a manageable length. About 40 to 45 centimetres, roughly arm's length, works best. Longer lengths look efficient but tangle far more and wear thin from repeated pulling through fabric.
2. Hold the cut piece at one end. Pinch it firmly between your thumb and forefinger.
3. Ease one strand upward and out. Pull slowly and straight up rather than sideways. The remaining strands will bunch and crinkle as you go; that's completely normal and they settle back down once released.
4. Separate one strand at a time. Trying to peel off two or three strands together is the most common cause of knots and tangling.
5. Recombine your strands. Lay the number you need (usually two) side by side, smooth them with your fingers, and thread your needle.

If you notice the thread has developed a kink or a slight twist as you work, let your needle and thread hang free for a moment so it can unwind itself before you continue stitching.

Storing Your Thread Collection So It Doesn't Tangle

Once you start buying DMC thread, your collection grows quickly, and loose skeins in a drawer turn into a knotted mess before long. A little organisation early on saves a lot of untangling later.

• Bobbin cards: wind each colour onto a plastic or cardboard bobbin and write the number on it before the paper label gets lost
• Storage boxes: sort wound bobbins numerically in a compartment box, which also makes it easy to see at a glance what you already own
• Project bags: group the specific colours for one pattern together in a small zip bag along with a copy of the colour key, so an unfinished project stays self-contained
• Hanging thread organisers: a fabric or plastic organiser with labelled slots or rings works well for a larger, ongoing collection

The golden rule of thread storage: always keep the colour number with the thread, however you store it. Once a label is lost, matching an unlabelled scrap of cotton back to its exact DMC number by eye is nearly impossible, even for experienced stitchers.

Keeping thread out of direct sunlight also helps it stay true to colour for longer, so a drawer or a lidded box beats an open shelf by a sunny window.

Substituting a Colour If It's Out of Stock

Every stitcher eventually hits this problem: the pattern calls for a specific DMC number and it's temporarily out of stock. It's worth knowing your options rather than putting the whole project on hold.

• Check for a close neighbour. DMC colours are often produced in small tonal families, so a number one or two digits away (for example, 3345 instead of 3346) is frequently a slightly darker or lighter version of the same green, and can be a fine substitute for a background or filler colour.
• Use a printed conversion chart. Most craft suppliers, including DMC itself, publish colour conversion references that suggest a close match from another thread range if you genuinely can't get the DMC number at all.
• Hold the skein against your fabric before deciding. Screens and printed pattern keys don't always show a colour accurately, so a physical comparison in natural light is the most reliable test.
• Save true substitutions for background or blended colours. If the mismatched colour is a small, prominent accent, like an eye or a single flower, it's usually worth waiting for the correct number rather than settling for a near miss.

DMC Thread Types Beyond Stranded Cotton

Stranded cotton is DMC's best-known product, but the range goes further, and it's worth knowing what else is out there as you build your stitching skills.

• DMC Light Effects: metallic and pearlescent thread used for highlights and sparkle
• DMC Colour Variations: variegated thread that gradually shifts colour as you stitch, giving a shaded effect without changing skeins
• DMC Pearl Cotton: a non-divisible, twisted thread with a soft sheen, popular for embroidery outlines and borders
• DMC Diamant: a metallic thread engineered to be easier to work with than standard metallics, which tend to fray and shred

A Calmer Way to Stitch

Getting your thread organised, understanding the numbering system and knowing how to strand properly aren't just technical details. They're what let you actually settle into the rhythm of stitching instead of wrestling with tangled cotton or second-guessing a colour match. That's really the point of a craft like this: a slow, repetitive task that gives your hands something steady to do while your mind quietens down.

Crafty Hobbies is an Australian-owned craft store built on compassion, creativity and care, specialising in Diamond Dotz, cross stitch kits, DMC threads and other creative supplies. If you're just starting out, our range of DMC stranded cotton, complete cross stitch kits with thread included, and general cross stitch supplies are all worth a browse.