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How to Crochet a Triangle: Top 3 Ways

Whether you’re putting together multiple crochet triangles to create a larger project or you just want to practice crocheting various shapes, knowing how to crochet a triangle is a vital step in every crocheter’s journey into the craft. There are several ways you can go about crocheting triangles, depending on the exact look of the final product you want to achieve. So without further ado, let’s get into it.

Why Crochet a Triangle?

As we have already mentioned, you may want to crochet a larger project using triangles, much like you’d put granny squares together to make, for instance, a blanket.

However, not every crochet project needs to be a wearable garment or an otherwise useful product. Sometimes, it’s more about the journey. Crocheting various shapes, such as granny squares and triangles, is an excellent way to practice your stitches, gauge control, and so on.

Regardless of why you’re crocheting a triangle, we’re here to help you learn how to do it – in more ways than one.

Crochet Triangle Materials

To crochet a triangle, all you’ll need is some yarn and a crochet hook in matching sizes. If you’re not sure which size hook you should use, check the yarn label. If you’re a more experienced crocheter and are using the triangle crochet project to practice gauges, use the yarn and hook sizes necessary to obtain the desired gauge.

Crochet Triangle Pattern Abbreviations

Depending on the pattern, there can be a few different stitches you’ll need to know. For the instructions provided below, here are the abbreviations you should be aware of:

ch – chain

sc – single crochet

st(s) – stitch(es)

sl st – slip stitch

dc – double crochet

hdc – half double crochet

Crochet Triangle Instructions

How to Crochet a Simple Triangle in Rows

Crocheting a triangle in rows is quite easy. It is all about increasing or decreasing the number of stitches in each row.

Step 1: Row 1

To start your triangle crochet project in rows, make a slip knot. Then, create a chain of two. In the second chain from the hook, make sc twice and turn. This will be the tip of your triangle.

Step 2: Row 2

Now, make a chain 1, sc, then sc twice into the last st, and turn. We have now started working our way from the tip towards the base of the triangle.

Step 3: Row 3
We will again begin with chain 1 Then, make a sc in each st across the row, sc twice into the last stitch, and turn. 

Step 4: Repeat Row 3
Keep working in rows following the same steps as for row 3. In other words: ch 1, sc into each st, sc x2 into the last st, turn. This way, each row will increase by one stitch, and you will get the evenly diagonal sides of the triangle.

Step 5: Continue Working Down the Triangle
Following the steps above, you can make your triangle as small or as large as necessary. Simply keep working in rows, increasing each by one stitch, until you’re satisfied with the size of the triangle.

Step 6: Fasten off and Weave in Ends
Once you’re done with the triangle, fasten off and weave in the ends of the yarn. If necessary, you can also choose to block your triangle to help it keep its shape.

How to Crochet a Spiral Triangle
Another common way to crochet a triangle is by going in continuous rounds, i.e. spirals.

Step 1: Make a Magic Ring
You can either start this project with a magic ring or by starting with ch 4 and then a slip stitch. Whatever works better for you.

Step 2: Round 1
We will begin the first round with ch 1, sc into the ring itself, and then sl st to close.

Step 3: Round 2
To make the second round, do the following:

Ch 1, sc into the same st, sc into the next st; (3 sc into next st, sc into next st) x2; sl st into the first sc to join,

Step 4: Round 3
Round 3 follows a similar pattern:

Ch 1, 2 sc into the same st, sc into the next 3 sts; (3 sc into the next st, sc into next 3 sts) x2; sl st into the first sc to join.

Step 5: Round 4
We will continue working in rounds with increases for round 4, as well:

Ch 1, 2 sc into the same st, sc into the next 5 sts; (3 sc into the next st, sc into the next 5 sts) x2, join with a sl st.

Step 6: Continue Working in Rounds
Continue working your way through the spirals until you get the size of the triangle you’re aiming for. So, for instance, for round 5, you will make a single crochet stitch in the next 7 stitches from the chain. The number of single crochet stitches increases by two for each side on each round. 

Step 7: Weave in Ends
When you’re satisfied with the size of your triangle, cut the excess yarn off and pull it through the last loop on your hook to weave in yarn ends.

How to Crochet a Triangle Shawl
Now, it’s time to see all this triangle-making in action with this fun free True Friend Shawl Crochet Pattern. The easy-level triangular shawl project requires two skeins of Red Heart Super Saver yarn and a J-10 crochet hook. If you don’t have any Red Heart Super Saver at hand, you can also use Mary Maxim Maximum Value or Caron Simply Soft in the color of your choosing.

Keep in mind that chain 2 at the beginning of hdc rows doesn’t count as a stitch, while chain 3 at the beginning of dc rows does.

Step 1: Form a Ring
We’ll first form a ring following these steps:

Ch 3, join with sl st to first ch, sl st into the ring.

Step 2: Rows 1-9
Row 1: Ch 1, 5 sc in the ring, turn.

Row 2: Ch 2, hdc in first sc, (ch 1, hdc in next sc) x4, turn.

Row 3: Ch 3, dc in first hdc, (dc in next ch-1 sp, dc in next hdc) x3, dc in next sp, 2 dc in last hdc, turn.

Row 4: Ch 3, dc in first dc, ch 1, (dc in next dc, ch 1) x4, (dc, ch 2, dc) in next dc, (ch 1, dc in next dc) x4, ch 1, 2 dc in top of ch-3, turn.

Row 5: Ch 3, dc in first dc, (ch 1, dc in next dc) x6, (2dc, ch 2, 2 dc) in ch-2 sp, (dc in next dc, ch 1) x6, 2 dc in top of ch-3, turn.

Row 6: Ch 1, flo, 2 sc in first dc, sc in each dc and space to center ch-2 sp, 3 sc in ch-2 sp, sc in fl of each dc and sp to last sc, 2 sc in top of ch-3, turn.

Row 7: Ch 2, 2 hdc in first sc, hdc in each sc to center sc of 3-sc group at point, (hdc, ch2, hdc) in center (2nd) sc at point, hdc in each sc to last, 2 hdc in last sc, turn.

Row 8: Ch 3, dc in first hdc, ch 1, skip next hdc, *dc in next hdc, ch 1, skip next hdc, repeat from * to center space; (2 dc, ch 2, 2 dc) in ch-2 space, ch 1 skip next hdc, ** dc in next hdc, ch 1, skip next hdc, repeat from ** to last hdc, 2 dc in last hdc, turn.

Row 9: Ch 3, dc in first dc, * ch 1, dc in next dc, repeat from * to center ch-2 sp, (2 dc, ch 2, 2 dc) in ch-2 sp, ** dc in next dc, ch 1, repeat from ** to last st, 2 dc in top of ch-3, turn.

Step 3: Rows 10-41
For rows 10-41, simply keep repeating the steps in rows 6-9 until you’ve created 41 rows.

Step 4: Row 42
For the last row, repeat row 6, but don’t turn back. Instead, work sc evenly across the row ends along the longer edge, join with a sl st to the first sc, and then turn.

Step 5: Edging
If you want to add edging to your shawl, you should start by going in rounds:

Ch 1, sc in first sc, ch 1, * sc in fl of sc, ch 1, skip next sc, sc in next sc, ch 1, repeat from * around the whole garment and join with a sl sl to the first sc. Fasten off and weave in the ends.

Ready to Crochet Triangles?
Now that you know a couple of common, easy ways to crochet a triangle, both in rounds and in rows, it’s time to get down to practice. The more you repeat these simple stitches, the better-versed you will become. And once you master those, you can move on to more complex shapes, such as granny triangles.