Pi Days and You


Well, yesterday was the infamous Pi Day, in which the US calender puts the month and day in such a way to resemble the infamous mathematical symbol known as pi. Frankly, I was having a ball with it.

Happy Pi Day (Weekend!)

But I say that it is a Pi Weekend, because it was originally during a weekend, and thus today is also part of the Pi Festivities. And what better way for a knitter to celebrate it than to show a new hat pattern! But first, a bit of history.

I have mentioned about pi shawls, both half and full on various occasions on the blog, but for those just reading this, let me say that they are a really nifty way of making knitted shawls with only a few shaping rows. Of course, people have used the procedure to make loads of fantastic shawls, including my own Sunrise creation, but as I was doodling in the Idea Notebook, I wondered if the procedure could be used for hats as well.

Pi hat

Of course it can. The pattern, as with the shawl, is plain simplicity.

The pattern goes thusly:

Cast on stitches on double-point needles.
Knit one row.
Increase Row (IR): *K1, M1*
Knit one row.
Knit three rows plain.
Knit seven rows.
Knit straight until you’re ready to add ribbing, rib for an inch or so, cast off.

Now what happens is that the increase rows make the crown shaping. The rest of the hat – body and rib – can be done anyway you want.

This is a hat that depends on how many stitches are cast on and the gauge of the knitting. Thankfully, I got this already down.

Number of Stitches Cast On 6 7 8 9
1st increase 12 14 16 18
2nd increase 24 28 32 36
3rd increase 48 56 64 72
4th increase 96 112 128 144

The test hat calls 7 stitches, but since you might want to do worsted/aran/chunky, try casting on six and use the chart to see how it works. But the hat yarn was DK weight with US8 circs, and it came to a loose, slouchy hat that really looked good on me.

French Moose

You can modify the pattern depending on gauge and head size. If the desired number of stitches is less than the ones listed, then do a little math to see how many stitches you should increase by on said row. Also, if one want to, one can decrease a number of stitches before doing ribbing for the beret-esque shape. Just throwing it out there.

So go on and eat some more pie. It’s the Pi weekend, after all.


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