Pi T-Shirts

The number pi, or π, is a mathematical constant used to calculate measurements in circles. The number represents the ratio of the circumference to the diameter. The name PI has has been used in puns and math geek jokes for years, and these sayings make fun novelty t-shirt designs. Find silly pi-themed t-shirts here for celebrating PI day or for spreading math geek joy any time of the year.

I Love Pi Day Funny Math Spoof 3.14 March 14th Holiday T-Shirt

Celebrate PI Day on March 14 or any day with this fun I Love Pi Day t-shirt! You can celebrate the ultimate math lover holiday with this cute design that has a heart made of PI symbols! The full sentiment is "I Love PI Day" or "I Heart...

Funny Pi Password Star Wars Mashup Shirt for Password Day

The first Thursday in May is designated as World Password Day, a day meant to promote password best practices for a safer online experience. Using a secure password management program is a great way to get your passwords under control, keep them safe, and ensure you are doing...

Funny Irrational Pi Math Geek T-Shirt

This is a great text Pi Day t-shirt with a funny slogan for math nerds. The full slogan reads "They Call Me PI Because I'm Irrational and I Don't Know When To Stop". The arrangement of the different mashup fonts is fun and playful. The white text...

Love Is Like PI Funny Math Geek T-Shirt

This is a fun graphic t-shirt that mashes up a sentiment of love with the mathematical constant PI. The design includes symbolic elements along with artfully arranged text. The main element of this t-shirt design is the text, which is arranged around a heart that surrounds the symbol...

I Ate Some Pie And It Was Delicious - I Ate Some Pi Math T-Shirt – Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Inspire Pi Pie Funny Math Coach Teacher Pi Day Lover Nerdy T-Shirt – Get this Artwork while teaching math, having lunch with your kids at school, or to a party with other teachers and parents. It's back to school... View on Amazon
Mathletic Department 3.14159 Pi Day Math Teacher Vintage T-Shirt – Funny math geek, pi day, teacher or student, pi number and symbol distressed design.; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Pi T-Shirt 3,14 Pi Number Symbol Math Science Gift T-Shirt – If you love mathematics this sarcastic funny geek 3,14 tee is the one for you! Perfect for a birthday Pi day March 14 or Christmas present... View on Amazon
Pi T-Shirt 3,14 = Pie Coincidence ? I Think Not Math Pun T-Shirt – If you love mathematics this sarcastic funny geek 3,14 tee is the one for you! Perfect for a birthday Pi day March 14 or Christmas present... View on Amazon
Left pi right pie, I love pi did someone say pie Pi Day 3.14 T-Shirt – Live to Inspire Pi Day 3.14 Math For Student 3,14 Pi Number Symbol, you will best celebrate Pi Day and get everyone's attention.Math Chemistry students and... View on Amazon
Come To The Math Side We Have Pi - Math Geek & Nerd T-Shirt – Come To The Math Side We Have Pi is a funny Math nerd/geek Pi Day shirt for kids, youth, boys, girls, men, and women. math teacher... View on Amazon
Funny Unicorn Face Pi Day Math Floral Math Geek Ne T-Shirt – Funny Unicorn Face Pi Day Math Floral Math Geek Nerd Teacher. View on Zazzle
Liverpool Loves Mince Pies Cityscape T-Shirt – The Niche and That store of the Liverpool Loves Mince Pies womans T-shirt design is for all Scousers who enjoy a hot mince pie or two... View on Zazzle
Can't Stop Pi Won't Stop Math Pi Day Funny Maths Club T-Shirt – Celebrate a happy Pi Day with this funny mathematics pun featuring the greek letter pi used as the mathematical symbol for the irrational number that is... View on Amazon
3 14 Pi Day Quote Math Is A Piece Of Pizza Cool Fo T-Shirt – 3 14 Pi Day Quote Math Is A Piece Of Pizza Cool For Student. View on Zazzle
Retro Irrational But Well Rounded Pi Day Celebration Math T-Shirt – Retro Irrational But Well Rounded Pi Day Celebration Math shirt. Pi Day is March 14 (3.14). Pick up a Pi Day shirt for yourself and your... View on Amazon
Chicken Pot Pi Day Math Teacher Student Hen Pie T-Shirt – Chicken Pot Pi Day Math Teacher Student Hen Pie. View on Zazzle
Cool Vintage Pie Pi Pun Retro Bakers T-Shirt – Cool Vintage Pie Pi Pun Retro Bakers. View on Zazzle
Chicken Pot Pi Math Funny Academic Pi Day T-Shirt – Chicken Pot Pi Math Funny Academic Pi Day. View on Zazzle
Cool Vintage Retro Pi 3 14 Math Ematics Birth Day T-Shirt – Cool Vintage Retro Pi 3 14 Math Ematics Birth Day. View on Zazzle
Can't Stop Pi Won't Stop Math Pi Day Funny Maths C T-Shirt – Can't Stop Pi Won't Stop Math Pi Day Funny Maths Club. View on Zazzle
Live Everyday Like It S Pi Day 2022 T-Shirt – Live Everyday Like It S Pi Day 2022. View on Zazzle
Cool Vintage Retro Pi 3.14 Math Ematics Birth Day T-Shirt – Cool Vintage Retro Pi 3.14 Math Ematics Birth Day. View on Zazzle
Chicken Pot Pi Shirt, Funny Math Day Gift T-Shirt – A chicken pot pi, for anyone that loves math, is a math teacher, or majors in mathematics, this funny pi shirt is sure to draw a... View on Amazon
pi day t shirt for math teacher – great unique teachers gift for math teacher or pi lovers, pi teacher, pi day, teacher appreciation, teacher gift, teacher t shirt, kindergarten teacher, back to school, last... View on Zazzle
Hong Kong Loves Mince Pies T-Shirt – The Niche and That store of the Hong Kong Loves Mince Pies woman's t-shirt design is for all residents of Hong Kong Island, Kowloon Peninsula and... View on Zazzle
A Slice Of Pi Math Pi Day Mathematics Teacher Geek T-Shirt – A Slice Of Pi Math Pi Day Mathematics Teacher Geek Nerd. View on Zazzle
3 14 Pi Math Teacher Happy Pi Day T-Shirt – 3 14 Pi Math Teacher Happy Pi Day. View on Zazzle
3 14 Pi Math Teacher Happy Pi Day 1 T-Shirt – 3 14 Pi Math Teacher Happy Pi Day 1. View on Zazzle