Pi Day, March 14, celebrates the irrational constant Pi. In the world of circles, Pi is the ratio of the diameter to the circumference; no matter the size of the circle, that ratio is always 3.14. Because Pi is one letter off from and is a homonym of “pie,” the day often includes many food and puns. Aside from eating pie, decking out for the day is a great way to celebrate.

Are you a math nerd or a teacher that needs ideas for dressing out for Pi Day? Is there someone you know that you’d love to gift the joy of Pi? We’ve scoured Etsy and have you covered!

RELATED: Looking for other gift guides? We have suggestions for many of your favorite fandoms!

Be Irrational!

Pi Day Be Irrational tee by HyggeTeacherGifts on Etsy

Be Irrational tee by HyggeTeacherGifts on Etsy

Who says being irrational has to be a bad thing? Be proud of your geekery and share a smile with a Happy Pi Day shirt! Etsy has plenty of options, but this smiley face from HyggeTeacherGifts has our heart. (A close second to the face shirt is THIS Well Rounded tee!)

The Math Side = The Dark Side?

Come to the Math Side tee by BLCStore on Etsy

Come to the Math Side tee by BLCStore on Etsy

Any Star Wars fans that are also math geeks? This shirt by BLCStore plays on the meme “Come to the Dark Side, we have cookies.” This shirt advertises the Math Side, featuring an opening sequence scroll consisting of six lines of Pi’s digits. Why? Because we have pie!

Pin for Pi Day

Pi pin by JimClift on Etsy

Pi pin by JimClift on Etsy

Moving away from the flashy and in-your-face shirts, how about a very low-key pin? This adorable pin from JimClift is just a little smaller than a quarter and comes in three metal colors: gold, silver, and copper. There are matching earrings for the gold and silver, too! A simple symbol for those unable to go all out for the day.

RELATED: Happy Pi Day With Mathematician KP Hart

Cherry Pi

Cherry Pi earrings by FabUnlimitedDesigns on Etsy

Cherry Pi earrings by FabUnlimitedDesigns on Etsy

Speaking of earrings, how about a punny pair of Cherry Pi dangles? These acrylic earrings from FabUnlimitedDesigns come in a vast array of colors. They are versatile enough to be flashy for the Ms. Frizzles out there but might be just downplayed enough for the office. They’re practically perfect for everyone!

Pi Pencils

Pi pencils by Wacodis on Etsy

Pi pencils by Wacodis on Etsy

Teachers are always short on pencils, right? Why not stock the classroom with the digits of Pi? Ok, sure, these would be best in a math classroom. And some teachers may consider them cheating. But think of the learning opportunity! These pencils, offered from Wacodis, have it listed to 96 digits on each pencil. They come in convenient 6-packs or 30-packs, great for one person or one classroom!

Sweet as Apple Pi

cookie cutter by SignalsFromSpace on Etsy

Apple Pi cookie cutter by SignalsFromSpace on Etsy

Since we’re on the subject of teachers, why not make some Apple Pi cookies for your little one’s teacher? Or for the Pi Day celebration at your office? You’ll need to find a recipe that holds up with a cookie cutter (like a sugar cookie recipe) but with an apple pie flavor boost! SignalsFromSpace has a beautiful custom printed cookie cutter just for the job! It creates a little apple cutout cookie with a Pi imprint. How adorable is that?

Though we tried to keep our list short and sweet, the gift options for Pi Day are as endless as Pi. Honestly, when it comes to Pi, you really can’t go wrong. 

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Talyna
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