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Yarns Sorted by Weight
Well, every time we think there's a correct way to sort yarns into groups that can be used one for another, we hit a snag. The truth is that there is so much variation in yarns that it's impossible to have absolute rules on substitutions.

The Craft Yarn Council of America (CYCA) developed those handy little skeins with the numbers on them, 0 through 6, but still that isn't a complete answer for yarn substitution. There's a lot of variation among all those "4" yarns. The plain truth is you have to look at all these things, and use the infallible computer we all have (your brain!) to figure it out. Start with common sense--narrow things down first by general terms, then continue from there. You'll notice that the #3,4,&5 groups are bigger, and have more variation within them, than the thinner yarns.

What are the things that you should consider when substituting yarns? Gauge of course, but also the fiber used, smoothness, regular or irregular spin, indoor or outdoor use, and the draping of it (limp to stiff). And how do you tell these things? Sometimes it's really tough--even the color of the dye can make a difference in how a yarn works up.

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    Ball of Wool Addicts Faith Garment of Wool Addicts Faith Garment of Wool Addicts Faith Garment of Wool Addicts Faith

    Wool Addicts Faith wool blend yarn by Lang

    Wool Addicts Faith wool blend yarnby LangThis yarn was designed to have Faith in all crafty adventures! There's lots of merino to spark the creative light in you. A lightly felted single that will resist pilling, with Lang's signature depth of color...

    MSRP: $15.95
    Was: $15.95
    Now: $9.95
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    Ball of Respect yarn Garment from Respect Yarn Garment from Respect Yarn Garment from Respect Yarn

    WoolAddicts Respect Wool & Alpaca Blend Yarn

    WoolAddicts Respectby LangRespect is a beautiful chainette spun blend of wool, alpaca, and nylon. The subtle variations in the dye result of the fibers results in a heathery depth of color that is just stunning. Wear your own statements -- create...

    Was: $12.95
    Now: $9.50
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    Ball of Lyonel Garment in Lyonel Garment in Lyonel

    Lyonel Wool Blend yarn from Lang

    Lyonel by Lang Color, color, color. Lyonel has its very own intensity, which goes beyond the existing colors on textiles. The carefully balanced colors are blurred, with short repeats to avoid pooling. The bright bits of color remind us of flickering...

    MSRP: $18.95
    Was: $18.95
    Now: $5.00
  • ball of Soft cotton Garments made with Soft Cotton Garments made with Soft Cotton Garments made with Soft Cotton Garments made with Soft Cotton

    Soft Cotton by Lang

    Soft Cottonby LangThe name is the thing. This pure cotton yarn consists of soft cotton fibers and is plied double. With this textile construction it is rounded, voluminous and comparatively robust. The impression is warm and soft, and yet it is made from...

    $8.95
  • Ball of Sunshine

    WoolAddicts Sunshine Pure Cotton Yarn

    WoolAddicts Sunshine Pure Cotton Yarnby LangPure 100% mercerized organic cotton worked as a chain. It’s shiny, strong and with a clear stitch definition, perfect for all your summer projects! 50g ball is about 104 yards (95m) 18 st & 24 rows...

    $11.95
  • Ball of Happiness

    WoolAddicts Happiness Soft Cotton Blend Yarn

    WoolAddicts Happiness Soft Cotton Blend Yarnby LangMarvelously soft cotton is a great reason to be happy, yes? When the sun goes down – stitches made of HAPPINESS calm your soul. Super-soft, high-quality pima cotton gives this yarn its unique soft...

    MSRP: $15.00
    $13.95
  • Cashmerino for Babies and More by Lang Cashmerino for Babies and More by Lang Cashmerino for Babies and More by Lang Cashmerino for Babies and More by Lang

    Cashmerino for Babies and More by Lang

    Cashmerinofor Babies and Moreby LangWhile this wonderful wool blend is certainly baby soft and machine washable, personally I would put it in the "More" category because this is a yarn I would happily use for myself! So soft, and simply perfect for any...

    MSRP: $11.95
    $11.50
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    Ball of Marlene Garment in Marlene Garment in Marlene Garment in Marlene

    Marlene Cotton Blend Yarn by Lang

    Marleneby LangMarlene is a new look yarn that produces a translucent mesh background with ovals of shine. The fiber blend of finest cotton and nylon gives a silky, shiny, sophisticated fabric that will be a great addition to your wardrobe. Easy to knit...

    MSRP: $10.00
    Was: $9.95
    Now: $4.00
  • Ball of Wool Addicts Earth Garment of Wool Addicts Earth Garment of Wool Addicts Earth Garment of Wool Addicts Earth

    WoolAddicts Earth Alpaca-Merino Blend yarn

    WoolAddicts Earthby LangEarth is solid and reliable, like its name. The alpaca and merino fibers are blended to produce a very even and soft plied yarn that is a joy to work with. 50g ball is about 71 yards (65m) 12 st & 18 rows on US 9-10 needles...

    MSRP: $10.95
    $9.95
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    Ball of Water by Wool Addicts Garment made with Water yarn Garment made with Water yarn Garment made with Water yarn

    WoolAddicts Water

    WoolAddicts Waterby LangBeautiful, soft baby alpaca is the fiber used for this unusual yarn. The crimped construction produces a light and airy yarn without being overly fuzzy. You will be reminded of Water by the little ripples made by the crimping...

    $12.00 - $12.95
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    Ball of Wool Addicts Air

    WoolAddicts Air Extrafine Merino by Lang

    WoolAddicts Airby LangThis yarn is called Air because the colored merino fibers are air-spun around a small core of nylon that is either light or dark depending on the color. The result is a heathery, foamy look in vibrant colors. 50g ball is about 137...

    MSRP: $14.00
    Was: $12.95
    Now: $5.00
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    Angelina Silk and Wool Blend Yarn Angelina Silk and Wool Blend Yarn Angelina Silk and Wool Blend Yarn Angelina Silk and Wool Blend Yarn

    Angelina Silk and Wool Blend Yarn

    AngelinaSilk and Wool Blend by Lang A beautiful heathery look that combines the softness of merino wool and the brilliant, saturated colors of silk into one very special yarn. This silky blend works up into garments with three-season wearability. 50g...

    MSRP: $13.00
    Was: $10.95
    Now: $8.00
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    skein of Radiant Cotton Garment made in Radiant Cotton Garment made in Radiant Cotton Garment made in Radiant Cotton

    Radiant Cotton DK Yarn

    Radiant Cottonby Fibra Natura We all love cotton--we wear it all year long, don't we? Of course we do. It's soft, comfortable, and durable. Radiant Cotton is a multiple-ply spun yarn with a tight twist. It holds together better, is pre-shrunk, and is...

    MSRP: $11.00
    Was: $8.95
    Now: $7.25
  • DiPinto multi-color sport yarn DiPinto multi-color sport yarn DiPinto multi-color sport yarn DiPinto multi-color sport yarn DiPinto multi-color sport yarn

    DiPinto multi-color sport yarn

    DiPinto Multi-Color Knitting Yarn by Lang This wool and acrylic combination yarn comes in a sport weight to give your creations the staying power they need to survive. Machine washable and soft, it may just be the perfect marriage of comfort and...

    $17.95
  • Ball of Lusso Garment  from Lusso Garment  from Lusso Garment  from Lusso Garment  from Lusso

    Lusso by Lang

    Lusso by Lang Lusso is a super-light lace-weight yarn consisting of fine merino, silk, baby camel hair and super kid mohair. The baby camel hair component gives the yarn a wonderful softness and lovely volume. For hand-knitting yarns the down, the...

    $13.95
  • Skeins of Studio Linen Studio Linen Yarn by Erika Knight

    Studio Linen Yarn by Erika Knight

    Studio Linen yarn Linen is an ancient sustainable, natural fiber spun from the flax plant. Flax itself is naturally resistant to pests and therefore practically no pesticides nor herbicides are necessary to grow these hardy plants. Linen is durable,...

    MSRP: $14.00
    $12.95
  • Colca Baby Llama & Silk Colca Baby Llama & Silk

    Colca Baby Llama & Silk

    Colca Baby Llama & SilkColca is a delightful blend of raw materials from the new world and the orient. The blend of 56% Baby Llama and 44% silk produces a heavenly soft yarn with pure colors and sheen that comes only from silk.The silk is mulberry...

    MSRP: $13.95
    $12.95
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    ball of Whisper Lace Sample in Whisperlace Garment in Whisperlace Garment in Whisperlace

    Whisper Lace Wool & Silk Lace Yarn

    Whisper LaceWhen you are looking for a quality yarn for your next lace project, choose Whisper Lace from Universal. Whisper Lace is a luxurious wool/silk blend that works up into garments with soft drape and rich color. 50 g skein is about 440 yards 70%...

    MSRP: $10.50
    Was: $9.25
    Now: $3.00
  • Gossypium Cotton Yarn by Erika Knight - 500 Milk Garment in Gossypium Cotton Garment in Gossypium Cotton Garment in Gossypium Cotton Garment in Gossypium Cotton

    Gossypium Cotton Yarn by Erika Knight

    Gossypium natural cotton yarn By Erika Knight Gossypium is the botanical name for the cotton genus; there are about 50 species of cotton plants. Cotton is the primary natural fiber used today. Gossypium cotton yarn is custom made for Erika Knight in...

    $6.95
  • Ball of Cara Cara Garment Cara Garment Cara Garment Cara Garment

    Cara Lace-Weight yarn by Lang

    Cara by Lang A unique and modern novelty style lace-weight yarn with a beautiful composition. A core of silk makes the yarn so unbelievably soft. At the same time, the silk content bestows a sublime luster. Not too fuzzy, just a gentle haze similar to...

    MSRP: $15.95
    $10.95
  • Ball of Deluxe DK Tweed Garment of Deluxe DK Tweed

    Deluxe DK Tweed

    Deluxe DK Tweed Yarn from Universal YarnsTweed is a big fashion statement, and this wonderful new tweed yarn is your "Go-To" choice for best value! So soft, and the beautiful flecks coordinate beautifully with the base colors. Deluxe DK Tweed brings a...

    MSRP: $11.50
    $10.29
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    Lang Viva Superwash Merino Lang Viva Superwash Merino Lang Viva Superwash Merino Lang Viva Superwash Merino

    Lang Viva Superwash Merino

    Vivaby LangIf you like Mille Colori Baby, you'll just love Viva! This yarn is a worsted weight gauge, so the gorgeous colors are developed even faster as you knit! Lang's expertise with color really shines in this enticing yarn.This yarn is made with...

    MSRP: $12.95
    Was: $11.95
    Now: $4.00
  • Ball of Bamboo Pop Garment in Bamboo Pop Garment in Bamboo Pop Garment in Bamboo Pop

    Bamboo Pop Cotton Blend Yarn

    Bamboo Popby UniversalThis is a great summer yarn for almost any use. Light and breezy, Bamboo Pop is a machine washable 50/50 cotton/bamboo viscose blend that makes great warm weather projects for adults and kids. The multi-color variegated versions are...

    $9.25 - $9.29
  • Ayni Baby Alpaca & Silk Ayni Baby Alpaca & Silk

    Ayni Baby Alpaca & Silk

    Ayni Baby Alpaca & SilkAyni is a unique blend of raw materials from the new world and the orient. The blend of 80% Baby alpaca and 20% silk produces a heavenly soft yarn with the depth of color and sheen that comes only from silk.Baby Alpaca fiber...

    $12.95
  • Plötulopi Traditional Unspun Icelandic Wool Plötulopi Traditional Unspun Icelandic Wool Plötulopi Traditional Unspun Icelandic Wool Plötulopi Traditional Unspun Icelandic Wool Plötulopi Traditional Unspun Icelandic Wool

    Plötulopi Traditional Unspun Icelandic Wool

    Plötulopi Traditional Icelandic Wool This is the un-spun single ply yarn that is the favorite of the native Icelandic knitters for garments of all kinds. Similar to pencil roving, it can be knitted with multiple strands held as one. Since...

    MSRP: $14.00
    $13.50
  • Ball of Nova

    Nova Baby Camel Blend Yarn by Lang

    Novaby Lang Rarely do you ever find a yarn this soft and luxurious! Nova is a simply gorgeous knitted chainette yarn that is incredibly light to wear. The heathery colors are beautifully rich and compelling. Easy to knit and adaptable to almost any use,...

    MSRP: $15.95
    $8.00
  • British Blue Wool by Erika Knight in 25g balls

    British Blue Wool by Erika Knight in 25g balls

    British Blue Wool  25g by Erika Knight British Blue Wool is made from 100% Bluefaced Leicester fleece - supremely soft, subtly sheeny, this is Britain's most luxurious fiber. It is the ultimate natural fiber, perfect for projects for either baby or...

    $6.20 - $6.50
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    Sock knitted in Regia Viva

    Regia Viva Color

    Regia Viva Color Another beautiful set of Regia color innovations for their best quality, soft sock yarn. Supply is limited: we were only able to get 4 balls of each color, & when it's gone, it's gone, so get yours now! 75% Superwash Wool, 25%...

    MSRP: $18.95
    Was: $15.95
    Now: $4.00
  • Hank of Flax Garment in Flax Garment in Flax Garment in Flax

    Flax Fibra Natura Sport weight Linen

    Flax sport weight linenby Fibra Natura Flax is a 100% linen yarn, available in a wide range of solid shades. Flax blooms and softens beautifully with each trip through the washing machine. Linen wears very well, but it needs machine washing to look and...

    MSRP: $8.00
    $7.39
  • Ball of Mille Colori Baby Mille Colori Baby Swing Jacket Mille Colori Baby sweater for baby

    Mille Colori Baby

    Mille Colori Baby Superwash merino by Lang Another truly fabulous example of Lang's color expertise! This one is a single ply, very long repeat fine yarn, great for lace projects, fine knits, and more. This yarn is 100% wool, and superwash too!. The...

    MSRP: $13.50
    $11.95
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    Ball of variegated Patina Multi Ball of solid Patina

    Patina and Patina Multi

    Patina & Patina Multi by Zitron   This single ply wool yarn has a generous dose of rayon, a plant fiber that renders garments lightweight and resilient. It also imparts a silk-like gleam and a soft drape. Perfect for garments and elegant...

    MSRP: $13.50
    Was: $12.49
    Now: $9.00
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    skein of acacia garment in Acacia

    Acacia MultiFiber Yarn by Trendsetter

    Acacia is a beautiful multi-fiber warm weather yarn, with subtle monochromatic variation. This degrade yarn will not pool.  It is a chain construction around a soft interior core. Drapes beautifully! 42% Cotton, 20% Viscose, ,5% Silk, 15% Hemp,...

    MSRP: $11.95
    Was: $5.95
    Now: $3.00
  • Ball of white Einband Garment in Einband Garment in Einband

    Einband Laceweight Lopi Icelandic Wool

    Einband Einband is the laceweight Icelandic yarn, new for those of us outside of Iceland. Who would guess this wonderful, warm wool could take on such a delicate and feminine persona? Einband is a "fingering" weight lace yarn spun mostly from the...

    MSRP: $8.00
    $7.75
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    Novena Novena

    Novena

    Novena by Lang Novena is an exceptionally appealing and light hand knitting yarn out of precious merino wool and glossy alpaca. Because of an innovative spinning technique, this yarn knits like a lightweight worsted, but the resulting garment is airy...

    Was: $6.95
    Now: $4.89
  • Ball of Alpaca Superlight Garment in Alpaca Superlight Garment in Alpaca Superlight Garment in Alpaca Superlight

    Alpaca SuperLight

    Alpaca SuperLight by Lang You simply won't believe this super-soft, super-fine, super-luxurious, super-light alpaca yarn from Lang. This yarn has a light halo, yet is less transparent than most brushed yarns. No tickle or scratch like mohair, none of the...

    MSRP: $7.75
    $7.50
  • Harmony by Jojoland Harmony by Jojoland Harmony by Jojoland

    Harmony by Jojoland

    Jojoland Harmony These yarns from Jojoland are an entirely different concept in color. Extremely gradual, subtle color changes make for a spectacular result. Every colorway is based on three main colors, and the yarn slowly changes from one to the next...

    MSRP: $9.99
    $9.49