Acrylic vs Cotton Yarn for Crochet: The Complete Comparison Guide
If you've stood in the yarn aisle wondering whether to grab the $4 acrylic skein or the $7 cotton skein for your next project, you're not alone. This is the most common question I get from crocheters at every skill level. The answer depends entirely on what you're making — and this guide covers every relevant comparison, project by project.
Choose acrylic for blankets, amigurumi, hats, and gifts — it's affordable, machine-washable, colourfast, and comes in any colour. Choose cotton for dishcloths, market bags, summer tops, and anything that gets wet or used in heat — cotton is absorbent, breathable, and gets softer with washing. Neither fibre is universally better; the project determines the right choice.
Head-to-head comparison
The properties that matter most for crochet, side by side:
| Property | Acrylic | Cotton |
|---|---|---|
| Cost per yard | $0.02–0.06 (cheaper) | $0.06–0.15 |
| Softness out of the skein | Soft to medium | Firm; softens with washing |
| Softness after 10 washes | Slightly fuzzy / piling | Significantly softer, more drape |
| Machine washable | Yes, hot or cold | Yes, warm or cold (may shrink hot) |
| Machine dryable | Yes, low to medium | Best air-dried; can shrink in dryer |
| Stretch / elasticity | Moderate, recovers shape | Minimal, stays where stretched |
| Drape | Body and warmth | Heavy, draping |
| Absorbency | Low (~3% water absorption) | High (~25% water absorption) |
| Breathability | Low (traps heat) | High |
| Pilling resistance | Moderate (pills with wear) | Good (resists pilling) |
| Colour range available | Extensive — every colour imaginable | Good, but limited bright/neon |
| Colour fastness | Excellent | Variable (deep colours can bleed) |
| UV / sun resistance | Good | Moderate (fades over time) |
| Hypoallergenic | Mostly yes (test if sensitive) | Yes |
| Environmental impact | Petroleum-based, microplastics | Renewable, but water/pesticide-intensive |
Best fibre by project type
Blankets — acrylic wins
Acrylic dominates the blanket category for three reasons: (1) cost — a queen blanket needs 3,500+ yards, and at $0.04/yard for acrylic versus $0.10/yard for cotton, the savings are $200+. (2) Weight — cotton blankets at the same dimensions are 40-60% heavier, often too heavy to be comfortable. (3) Drape — acrylic blankets drape softly over a sofa or bed; cotton blankets sit more like a heavy quilt.
Amigurumi — acrylic wins
Amigurumi (stuffed crocheted toys) need consistent, dense fabric that holds shape. Acrylic excels here: it doesn't bloom unpredictably when washed, holds stitch definition, and produces firm 3D shapes. Cotton amigurumi looks stiffer and floppier; cotton stitches don't snap into the rounded shapes that make amigurumi adorable.
Dishcloths and washcloths — cotton wins
The classic cotton win. Cotton dishcloths absorb water (acrylic doesn't), withstand bleach and high-heat washing, and get softer with use rather than pilling. A cotton dishcloth lasts 3-5 years of daily use; an acrylic one lasts 6-12 months and never really absorbs water.
Market bags and totes — cotton wins
Cotton's lack of stretch is an advantage here — a cotton market bag holds its shape even when loaded with groceries. Acrylic market bags stretch under load and end up shapeless. Mercerised cotton (cotton treated for sheen and strength) is the gold standard for market bags.
Hats — depends on climate
Cold-climate hats: acrylic or wool. Cotton has no warmth properties — a cotton hat in winter is decorative, not functional. Summer hats and sun hats: cotton, every time. The breathability prevents the sweaty-head problem of acrylic in heat.
Summer garments — cotton wins
Cotton tops, tanks, and cardigans drape beautifully and breathe in heat. Acrylic summer garments trap body heat and become uncomfortable in any climate above 22°C. Cotton/linen blends are even better for hot weather.
Winter garments — acrylic, wool, or blends
Cotton has zero insulation. For winter scarves, sweaters, mittens, and cowls, choose acrylic (washable, affordable), wool (warmest, traditional), or wool/acrylic blends (washable wool, the best of both).
When to use cotton/acrylic blends
Blends combine properties to compromise. Common blend ratios:
- 60% cotton / 40% acrylic — drape of cotton, slight body of acrylic; good for transitional-season garments and baby blankets.
- 50/50 — balanced absorbency and elasticity; useful for kitchen towels that need to feel softer than pure cotton.
- 30% cotton / 70% acrylic — mostly acrylic behaviour with slightly better breathability; less common.
Specific blend yarns worth knowing: Berroco Comfort (cotton/acrylic), Lion Brand Cotton-Ease (cotton/acrylic), Hobbii Cotton 8/4 lines often blended with bamboo or acrylic.
My personal testing across 50+ projects
The most useful insight from my own testing is the 10-wash test. I make two of the same item — one in cotton, one in acrylic — and wash both 10 times in identical conditions. What changes:
- Cotton dishcloths after 10 washes: noticeably softer, slight shrinkage (2-5%), no visible wear.
- Acrylic dishcloths after 10 washes: noticeable pilling, slight loss of stitch definition, no shrinkage.
- Cotton baby blankets after 10 washes: drape improves dramatically, slight fading on dark colours, no pilling.
- Acrylic baby blankets after 10 washes: slight pilling on high-friction areas, slight fading, otherwise identical to new.
The general rule: cotton gets better with use; acrylic stays the same or slowly degrades.
Environmental considerations
Both fibres have environmental footprints; neither is unambiguously green.
Acrylic is a petroleum-derived polymer (polyacrylonitrile) that doesn't biodegrade in human timeframes. Washing acrylic yarn releases microplastic fibres into wastewater — a 2016 study estimated 700,000 microplastic particles per kg of laundered acrylic. These accumulate in oceans.
Cotton is renewable but extremely water-intensive (a single cotton t-shirt takes 2,700 litres of water to produce) and historically heavily pesticide-treated. Organic cotton is grown without synthetic pesticides but is more expensive and less widely available. Look for GOTS (Global Organic Textile Standard) certification for organic claims.
If sustainability matters to you, consider: organic cotton, recycled cotton (made from textile waste), recycled polyester, bamboo viscose, or hemp/linen yarns. None is perfect; all have trade-offs.
Cost analysis: per yard and per finished item
For a standard 50×60 inch throw blanket needing approximately 1,100 yards of worsted-weight yarn:
- Budget acrylic (Red Heart Super Saver, $0.025/yard): $27.50
- Mid-tier acrylic (Caron Simply Soft, $0.04/yard): $44.00
- Budget cotton (Lily Sugar 'n Cream, $0.05/yard): $55.00
- Mid-tier cotton (Bernat Handicrafter, $0.08/yard): $88.00
- Premium cotton (Hobbii Cotton 8/4, $0.10/yard): $110.00
The same blanket in acrylic costs 30-75% less than in cotton. If you're making multiple blankets per year, the difference is meaningful. If it's a once-a-year gift, the difference is worth it for the right fibre.
Direct answers.
Which is softer, acrylic or cotton?
Out of the skein, most acrylics are slightly softer than most cottons. After 5-10 washes, cotton typically becomes softer than the equivalent acrylic. For projects that will be washed frequently (dishcloths, baby blankets), cotton's improvement over time is a real advantage; for projects washed rarely, acrylic's initial softness is the more relevant property.
Is cotton or acrylic better for baby blankets?
Acrylic in cold climates; cotton in hot climates. Acrylic is warmer and lighter; cotton is breathable but heavy. Most US baby blanket makers default to acrylic for cost and softness. In tropical climates or for summer babies, cotton is the better choice for thermal regulation.
Why is my cotton crochet so stiff?
Cotton has no elasticity, so the fabric naturally feels firmer than acrylic at the same gauge. Two fixes: (1) use a hook one size larger than the yarn label recommends, which opens up the fabric and adds drape. (2) Wash and air-dry the finished item — cotton softens significantly after washing. The first wash transforms most cotton projects.
Can I substitute acrylic for cotton in a pattern?
Yes, with caveats. Match the yarn weight (CYC number on the label) and make a new gauge swatch — the substitute may produce different stitches per inch. Be aware that the finished item will behave differently: an acrylic dishcloth won't absorb water; an acrylic market bag will stretch under load. For decorative items, substitution is fine; for functional items, the fibre choice was probably intentional.
Does cotton or acrylic last longer?
Cotton, in most use cases. Cotton resists pilling, withstands high-heat washing, and gets softer rather than degrading with use. Acrylic pills under friction (sleeves, edges, areas that rub against other fabric) and can develop a flat or shiny appearance after years of wear. For heirloom items meant to last 20+ years, cotton or wool outperform acrylic.
Is there a yarn that's the best of both?
Cotton/acrylic blends try to deliver this — typically 50/50 or 60/40 cotton/acrylic. They drape better than pure acrylic and have more body than pure cotton. They're a reasonable middle ground but compromise on the strengths of each fibre: less absorbent than pure cotton, less stretchy than pure acrylic. Brand examples: Lion Brand Cotton-Ease, Berroco Comfort, Knit Picks Comfy.
Sources & further reading
- Craft Yarn Council — Standard Yarn Weight System
- Crochet Guild of America (CGOA) — professional standards
- Edie Eckman, The Crochet Answer Book (Storey Publishing) — technique reference
- Clara Parkes, The Knitter's Book of Yarn (Potter Craft) — fibre properties
Kelley Delano
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