Create a Beautiful One-Square Blanket with Simple Repeats
If you’re looking for an easy, relaxing crochet project that grows round by round, this expanding square blanket is perfect. Designed with beginners in mind, this pattern uses basic stitches and a repeating round sequence to create a blanket of any size, from baby blankets to full king bedspreads. No complicated shaping, no joining, just smooth, consistent growth.
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About This Pattern
This blanket begins with a magic ring and grows outward into a square. Each round increases evenly at the corners, keeping the blanket flat and symmetrical. A simple texture round adds visual interest, while the stitch repeat remains easy to memorize. Whether you prefer solid colours, stripes, or bold colour changes, this design adapts beautifully.
Crochet the Full Flower Pot Blanket
Enjoy making this free granny square, then take your project even further with the complete Flower Pot Granny Square Blanket Pattern. Inside the premium PDF you'll find all 12 crochet square patterns, detailed joining instructions, blanket layout diagrams, yarn requirements, and a beautiful border pattern to complete your handmade crochet blanket.
Materials & Tools
| Hook | 3.5 mm Crochet Hook |
|---|---|
| Yarn Weight | Worsted Yarn |
| Fibre Type | Cotton–Acrylic Blends |
| Other Tools | |
| Yarn Needed | See Material used for detailed yarn usage. |
| Gauge | 10 rounds = 24 × 24 cm |
| Finished Size | See : Blanket Resizing Notes |
Estimated Yarn Usage (DK Yarn)
| Blanket | Rounds | Weight Estimate | Meterage |
| Baby | 31 | ~ 335 g | 670 m |
| Afghan | 55 | ~ 1050 g | 2100 m |
| Double Bed | 71 | ~ 1760 g | 3520 m |
| King Bed | 92 | ~ 2960 g | 5920 m |
Effect of Larger Hook
Using a larger hook typically:
- Increases stitch height
- Square grows faster
- Fabric lighter / looser
Crochet a beautiful blanket from just one square! This easy one-square growing blanket pattern is perfect for beginners and grows round by round with simple stitches.
Resizing blanket according to Yarn Weight Categories
Category 3 – Light / Double Knit
| Blanket | Rounds Needed | Weight |
| Baby | ~25 rounds | 670 m |
| Afghan | ~44 rounds | 2100 m |
| Double | ~57 rounds | 3520 m |
| King | ~74 rounds | 5920 m |
Category 4 – Worsted / Aran
| Blanket | Rounds Needed | Weight |
| Baby | ~25 rounds | 535 m |
| Afghan | ~44 rounds | 1680 m |
| Double | ~57 rounds | 2815 m |
| King | ~74 rounds | 4735 m |
Category 5 – Bulky
| Blanket | Rounds Needed | Weight |
| Baby | ~22 rounds | 470 m |
| Afghan | ~38 rounds | 1470 m |
| Double | ~49 rounds | 2465 m |
| King | ~63 rounds | 4145 m |
Category 5 – Super Bulky
| Blanket | Rounds Needed | Weight |
| Baby | ~18 rounds | 370 m |
| Afghan | ~31 rounds | 1155 m |
| Double | ~40 rounds | 1935 m |
| King | ~52 rounds | 3255 m |
Important - Actual results vary with:
- Hook size
- Tension
- Fibre (cotton vs acrylic vs wool)
- Stitch density
Safe planning margin: Add 10–15% extra yarn
Yarn Calculator
Not sure how much yarn you'll need for your next crochet project?
Use our yarn calculator to estimate the amount of yarn required based on your project size, yarn weight, and stitch pattern.
It's a quick and easy way to plan your materials before you start crocheting.
Pattern Instructions
Pattern Notes
Discover how to crochet a growing square blanket worked continuously from the centre outward. A relaxing project ideal for any skill level.
Pattern Notes for Beginners
- Ch-3 counts as dc
- Always increase in corners
- Use stitch markers at corners
- Count stitches periodically
- Keep corners relaxed
- Always check gauge if size accuracy matters.
Construction Overview
New to crochet? This beginner-friendly crochet blanket tutorial teaches you how to grow a blanket from a simple square using easy repeats and corner increases.
This blanket is worked:
- From the centre outward
- In joined rounds
- Without seams or joins
- Using consistent corner increases
- Corners maintain the square shape while sides expand evenly.
Time to Make Blankets
| Blanket | Time Estimate |
| Baby | 8–12 hours |
| Afghan | 20–30 hours |
| Double | 35–45 hours |
| King | 50–70 hours |
Depends on speed, tension, and stitch comfort.
Quick Stitch Guide
All stitch instructions are available in both US Crochet Terminology and UK Crochet Terminology, making it easy to follow along using the terms you are most familiar with.
If you are new to any of the stitches used in this pattern, we recommend reviewing the relevant stitch guide before starting. Each guide includes step-by-step instructions, helpful tips, and stitch terminology conversions where applicable.
Take your time, practice any unfamiliar stitches, and most importantly—enjoy the process of creating your blanket one row at a time.
UK : -
AFR : -
Slip Knot in 4 Steps: Loop → Hook → Pull → Tighten
UK : ctr - crossed treble crochet
AFR : lb-kruis - Langbeentjie Kruis oor Steek
Skip one stitch, dc, then dc in skipped stitch.
UK : ch-sp - chain space
AFR : Ks sp - Kettingsteek spasie
1. Make a slip knot on the hook.
2. Yarn over (yo).
3. Pull yarn through the loop on the hook. → 1 ch made.
4. Repeat for desired number of chains.
UK : cross - cross stitch
AFR : kruis - Kruis oor Steek
1. Insert hook into stitch two ahead (skip one). Yarn over, pull up loop.
2. Insert into the skipped stitch, yarn over, pull up loop.
3. Yarn over and pull through both loops — forms an X.
UK : tr - treble crochet
AFR : lb - Langbeentjie / dubblehekel
1. Yarn over.
2. Insert hook into stitch, pull up a loop (3 loops).
3. Yarn over and pull through first 2 loops (2 remain).
4. Yarn over and pull through last 2 loops.
UK : MC - magic circle
AFR : MR - Magiese Ring
1. Wrap yarn around your fingers to form a loop.
2. Insert hook into the loop and pull yarn through to create your first stitch.
3. Crochet the number of stitches required by your pattern into the loop.
4. Pull the yarn tail to close the loop tightly.
5. Continue with the next round as instructed.
UK : rep from * - repeat from *
AFR : her * - Herhaal van *
1) Find the *.
2) Work the instructions after it.
3) When told, go back to * and repeat the sequence the required number of times.
4) Stop when the pattern says.
UK : sts - stitches
AFR : sts - Steke
1) Identify the stitch’s top “V”.
2) Insert hook as pattern instructs (both loops or FLO/BLO).
3) Work the stitch to completion. 4) Count stitches regularly.
Pattern Reference
This page is part of a larger crochet pattern and is intended as a companion tutorial or stitch reference. For complete instructions, materials, sizing information, and all pattern sections, please visit the main pattern page.Step by Step
⚠️ This pattern is for personal use only. Please do not copy or redistribute.
Visual learners will love this crochet stitch diagram showing square blanket construction, corner shaping, and stitch placement.
Free Easy One-Square Growing Blanket Pattern
Step-by-Step Instructions
Choose Your Blanket Size
| Blanket Type | Target Size | Rounds Needed |
| Baby Blanket | 75 x 75 cm | 30–32 rounds |
| Afghan / Throw | 130 x 130 cm | 54–56 rounds |
| Double Bed | 170 x 170 cm | 70–72 rounds |
| King Bedspread | 220 x 220 cm | 90–95 rounds |
Step 1 – Make the Centre
Round 1 : (Magic Ring)
Make a magic ring
Ch 3 (counts as dc)
Work 3 dc into ring
(Ch 2, work 4 dc) → repeat 3 more times
Pull ring closed
Join with sl st
Stitch count:
- 16 dc total
- 4 x corner ch-2 spaces
- 4 dc per side
Step 2 : Start Growing
Round 2
Sl st into corner ch-2 space
Ch 3
Work 1 dc, ch 2, 2 dc in corner
Dc in each stitch across side
In each ch-2 space: (2 dc, ch 2, 2 dc)
1 dc in each dc across sides
Join
Stitch count:
• 32 dc total
• 4 x corner ch-2 spaces
• 8 dc per side
Round 3
Sl st into corner
Ch 3
1 dc, ch 2, 2 dc in corner
1 dc in each dc across, Join
Repeat
Join
Stitch count:
• 48 dc total
• 4 x corner ch-2 spaces
• 12 dc per side
Round 4 (Texture Round)
Sl st into corner
Ch 3
1 dc, ch 2, 2 dc in corner
Across sides:
*Skip 1 dc, 1 dc in next 2 sts, 1 dc cross in skipped st*
Repeat
In each ch-2 space: (2 dc, ch 2, 2 dc)
Across sides:
*Skip 1 dc, 1 dc in next 2 sts, 1 dc cross in skipped st*
Repeat from * to * across side
Join
Stitch count:
• 48 dc total
• 4 x corner ch-2 spaces
• 16 dc per side
Repeat These 3 Rounds
Continue repeating:
- Round 2
- Round 3
- Round 4
Until you reach your chosen round count
Check Blanket Size as You Go
- Every 5–10 rounds:
- Lay blanket flat
- Measure width
- Stop when size feels right
Finishing Your Blanket
When final round is complete:
Optional Border (Highly Recommended)
Simple Border
- Join yarn in corner
- (1 sc, ch 2, 1 sc) in corner
- Sc in each stitch across
- Repeat around
- Join & fasten off
Beginner Success Tips
- Use stitch markers in corners
- Count stitches per side
- Keep tension relaxed
- Block if edges curl.
You’ve reached the end of the free pattern
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Post a ReviewPattern Copyright & Usage
This crochet pattern and all associated content are the original work of Stouto Crochet.
- ✔️ Personal use allowed
- ✔️ Sell finished handmade items (small-scale)
- ❌ Do not copy, rewrite, or redistribute
- ❌ Do not share or resell PDF patterns
AI & Content Use: This pattern may not be reproduced or used to train AI systems.
Explore More Crochet Tutorials on the Website
If you need extra help while working on your stitch sampler blanket, you can explore the crochet tutorials section on the website. These guides explain crochet stitches, techniques, and pattern methods in a clear and beginner-friendly way.
You’ll find helpful stitch tutorials, visual diagrams, and step-by-step guides that make it easier to learn new stitches and improve your crochet skills while completing your project.
Feel free to explore the additional sections of our website for even more crochet patterns, helpful tutorials, and creative inspiration.
Each section is thoughtfully organized to make it easy to find exactly what you’re looking for and to support you at every stage of your crochet journey.
Crochet Pattern FAQ
Learn how to crochet a square blanket with this clear step-by-step pattern. Includes corner increases, stitch repeats, and scaling tips.
My square looks wavy, what happened ?
Too many stitches can cause rippling. Recount stitches per side.
Can I use different yarn?
Yes, Just note size and yarn usage will change.
Do I have to use a magic ring?
No, you can start with ch 4, sl st to form ring.
How do I change colours neatly?
Finish last yarn-over of dc with new colour.
How do I keep corners sharp?
Always work full *(2 dc, ch 2, 2 dc)* in corners.
