One of the most common questions I hear from crocheters is: “Should I use cotton yarn or acrylic yarn?”

Walk into any yarn shop (or spend five minutes browsing online) and you’ll quickly discover that choosing a yarn isn’t always as straightforward as picking your favourite colour.

The truth is that neither fibre is better than the other. They simply excel in different situations.

*This post contains affiliate links which means that should you use one of my links to purchase something I may be paid a commission at no extra cost to you*

Choosing the right yarn can make a huge difference to how your finished project looks, feels, washes, and wears over time. A beautiful blanket made with the wrong fibre may stretch or lose its shape. A gorgeous table runner might not hold up to daily use. And nobody wants to spend hours making something only to realise the yarn wasn’t the best choice.

In this guide, we’ll compare cotton yarn vs acrylic yarn, look at the pros and cons of each, discuss common yarn blends, and help you decide which yarn is best for your next crochet or knitting project.

I have a couple of other posts that you may also find interesting on this or similar subjects:

• Mastering Yarn Selection – A Comprehensive Guide for Crocheters where I introduce you to a few different yarn fibers, the difference in yarn weights etc.
• Guide to Choosing the Best Yarns for Baby Projects – Choosing the right yarn for a baby project is a must. Many yarns cause allergies and baby skin is so sensitive!
• How to Care for Crochet Projects: Cleaning, Storage and Fiber Tips – This post looks at the best ways of caring for your finished projects based on the fiber that you choose.

Understanding Yarn Fibres

Before comparing cotton and acrylic directly, it’s helpful to understand what they actually are.

Cotton Yarn

Cotton is a natural fibre grown from cotton plants.

It is spun into yarn and used for everything from garments to dishcloths and home décor.

Cotton yarn tends to feel smooth, sturdy, and breathable.

Acrylic Yarn

Acrylic is a synthetic fibre manufactured to mimic the qualities of natural fibres such as wool.

Modern acrylic yarns have improved enormously over the years and can range from budget-friendly basics to luxuriously soft premium yarns.

Cotton Yarn: Pros and Cons

Why Crocheters and Knitters Love Cotton Yarn

Excellent Stitch Definition

Cotton shows off stitch patterns beautifully.

If you’ve spent time creating cables, lace, texture stitches, bobbles, or mosaic crochet designs, cotton allows those details to shine.

Durable and Hard-Wearing

Cotton fibres are incredibly strong.

Projects that receive frequent use often benefit from cotton because it withstands wear and washing exceptionally well.

Heat Resistant

Unlike acrylic, cotton can tolerate higher temperatures.

This makes it ideal for:

• Dishcloths
• Washcloths
• Hot pads
• Table runners
• Placemats
• Coasters

For example, I always recommend cotton yarn for projects like my Pomander Table Runner because it offers better protection for your furniture when placing hot dishes and mugs on top.

Breathable

Cotton allows air to circulate, making it perfect for:

• Summer garments
• Market bags
• Baby items
• Lightweight accessories

Absorbent

Cotton absorbs moisture effectively, which is why it works so well for kitchen and bathroom projects.

Drawbacks of Cotton Yarn

Less Stretch

Cotton has very little elasticity compared to acrylic or wool. This can make some garments feel less forgiving and may be harder on hands and wrists during long crochet sessions.

Can Feel Heavy

Larger cotton blankets can become surprisingly heavy. The weight increases further when the item becomes wet.

May Show Mistakes More Easily

Because cotton has excellent stitch definition, it also shows uneven tension more clearly than softer acrylic yarns.

Cotton Yarn Works Best For

✓ Dishcloths

✓ Washcloths

✓ Placemats

✓ Table runners

✓ Market bags

✓ Summer garments

✓ Home décor

✓ Baby bibs

✓ Amigurumi

Acrylic Yarn: Pros and Cons

Why Crocheters and Knitters Love Acrylic Yarn

Budget Friendly

One of acrylic’s biggest advantages is affordability. You can often make a large blanket for a fraction of the cost of natural fibres.

This is especially useful for:

• Charity projects
• Large blankets
• CAL projects
• Family gifts

Easy Care

Most acrylic yarns can be machine washed and dried. Busy families often appreciate this convenience.

Soft and Comfortable

Modern acrylic yarns can be incredibly soft. Many are suitable for baby blankets, garments, scarves, hats, and accessories.

Lightweight

Compared to cotton, acrylic tends to be lighter. This makes it a popular choice for larger blankets.

Huge Colour Selection

If you’ve ever admired a rainbow of yarn colours, chances are you’re looking at acrylic. Manufacturers offer hundreds of shades and colourways.

Drawbacks of Acrylic Yarn

Less Breathable

Acrylic traps heat more effectively than cotton. That’s wonderful for winter accessories but less ideal for hot weather garments.

Can Melt Under High Heat

Acrylic fibres are essentially plastic-based. They can melt if exposed to excessive heat. This is why acrylic isn’t usually recommended for hot pads, trivets, or kitchen items exposed to hot cookware.

Environmental Concerns

Because acrylic is synthetic, some makers prefer natural fibres for sustainability reasons.

Acrylic Yarn Works Best For

✓ Blankets

✓ Afghans

✓ Scarves

✓ Cowls

✓ Hats

✓ Winter garments

✓ Charity projects

✓ Children’s items

✓ Everyday accessories

Many of my blanket patterns, including June’s Blanket, Sweet Dreams Blanket, and Highland Neamh Blanket, work beautifully in acrylic yarn because they’re lightweight, washable, and affordable to make in larger sizes.

What About Yarn Blends?

Sometimes the best option is actually somewhere in the middle. Yarn manufacturers frequently combine fibres to create the benefits of both.

Cotton/Acrylic Blends

These are some of my favourite yarns for many projects.

You get:

• Better stitch definition than pure acrylic
• More softness than pure cotton
• Improved drape
• Reduced weight

Ideal for:

• Garments
• Shawls
• Baby blankets
• Accessories

Cotton/Bamboo Blends

Bamboo adds softness and drape to cotton. It also adds strength to the fibres making it more hard wearing. One of my favourites is this Stylecrafts Naturals Bamboo + Cotton mix.

These yarns often feel silky and luxurious.

Perfect for:

• Summer tops
• Shawls
• Lightweight scarves
• Baby garments

Acrylic/Wool Blends

These combine warmth and softness with easier care and lower cost.

Great for:

• Winter accessories
• Sweaters
• Blankets

How Yarn Weight Affects Your Choice

The fibre isn’t the only thing to consider.

Yarn weight also matters.

For many home décor projects, I often use #4 cotton yarn because it provides durability without becoming overly stiff.

For blankets and wearable accessories, #4 acrylic yarn remains one of the most versatile options available.

Quick Guide: Which Yarn Should You Choose?

Choose Cotton If You Are Making:

• Dishcloths
• Washcloths
• Coasters
• Placemats
• Table runners
• Market bags
• Summer garments
• Amigurumi

Choose Acrylic If You Are Making:

• Blankets
• Scarves
• Cowls
• Hats
• Charity projects
• Children’s clothing
• Winter accessories

Choose a Blend If You Want:

• Extra softness
• Better drape
• A balance of durability and comfort
• The best qualities of multiple fibres

My Personal Rule of Thumb

If the project will regularly encounter heat, moisture, or heavy use around the home, I usually reach for cotton.

If I’m making a blanket, scarf, cowl, hat, or a larger gift project, acrylic is often my first choice because it’s affordable, lightweight, and easy to care for.

That said, there are no crochet police waiting to inspect your yarn choices!

The best yarn is the one that helps you create something you love and will actually use.

Final Thoughts on Cotton vs Acrylic Yarn

When comparing cotton vs acrylic yarn, the real winner depends entirely on the project sitting in your yarn basket.

Cotton shines in home décor, kitchen items, summer garments, and projects where durability matters most.

Acrylic excels in blankets, winter accessories, and budget-friendly projects that need to be soft, lightweight, and easy to wash.

Understanding the strengths of each fibre will help you make better yarn choices and create projects that look beautiful and last for years.

The next time you’re standing in the yarn aisle wondering which fibre to choose, simply ask yourself:

What will this project be used for?

The answer will usually point you in the right direction.