T-Shirt of the Day Award for Pi Day!

Whether you are a mathematician or not, the appropriate way to celebrate Pi Day is eating pie! Or maybe wearing a funny Pi t-shirt. Pi Day is always March 14, because pi is 3.14. The biggest and best (and nerdiest) Pi Day celebration of all was in 2015: 3.14.15!

Pi Day T-Shirt by HolidayHotshop

Warning: Pi is Irrational T-Shirt by mudgestudios

Peace, Love, Pi T-Shirt by jjennings0424

Come to the nerd side we have pi T-Shirt by Ricaso_Graphics

HAPPY PI DAY!!! T-Shirt by arnoldzpygmypuff

Q T Pi (pinks) Baby Bodysuit by zookyshirts

Pi Humor T-Shirt by BunnyBoiler

2 Much Pi T-Shirt by misdirectedmale

Pi Number Drawing T-Shirt by Ars_Brevis

Pi Number Design T-Shirt by Ars_Brevis

Property of Pi University T-Shirt by magarmor

Pi Number Design T-Shirt by Ars_Brevis

Awesome Pi Symbol T-Shirt by PiintheSky

Happy Pi Day T-Shirt by EllesPlanet

Pi-Rate T-Shirt by JerryLambert

Pi Rate T-Shirt by Detourdesignables

Pi Always T-Shirt by JFlatN

Irrational Pi T-Shirt by OddMatter

Easy as Pi (green) T-Shirt by zookyshirts

Proof that Pi is Irrational T-Shirt by PiintheSky

Pi Bay T-Shirt by komentgrafix

Octopi T-Shirt by tshirtmeshirt

Happy Pi Day T-Shirt by Piratesvsninjas

PI-GER TIGER STRIPED SEXY PI! 3.14 T-Shirt by Pi_314

Pi rate Pirate Pi Day Shirts and Gifts by mudgestudios

See more Pi Day T-Shirts! Remember if you click on any t-shirt, you can choose the style, color, and size you want, for infants to adults – or choose this design on lots of other gift items too!

I’ll see you in a funny t-shirt!

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Tags: Calculation, funny pi shirt, Irrational number, march, march holidays, Math, math holidays, Mathematics, national pi day, pi, pi day, pi is irrational, pi shirt, pi t-shirt, pi tees, science holidays