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.

Funny Pi Password Star Wars Mashup Shirt for Password Day

The first Thursday in May, today, May 4, 2023, 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...

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...

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...

Pi 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
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
Animals Installing Muscles Fitness Bodybuilding Pi T-Shirt – Animals Installing Muscles Fitness Bodybuilding Pig 1 View on Zazzle
Retro Pi Day Pi Jama Party Men Women Kids Pajama P T-Shirt – Retro Pi Day Pi Jama Party Men Women Kids Pajama Party Pun View on Zazzle
stylish Pi Day Women Kids Men Toddler Math Teacher T-Shirt – stylish Pi Day Women Kids Men Toddler Math Teacher Student View on Zazzle
Animals Installing Muscles Fitness Bodybuilding Pi T-Shirt – Animals Installing Muscles Fitness Bodybuilding Pig 1 View on Zazzle
Pi with 10000 Digits - Maths - Pi Day T-Shirt – Do you love mathematics? The funny saying and clothing for men, women, dad, mother and friends for birthdays, Christmas and Pi Day.; Are you looking for... View on Amazon
Animals Installing Muscles Fitness Bodybuilding Pi T-Shirt – Animals Installing Muscles Fitness Bodybuilding Pig View on Zazzle
Pizza and Coding Perfect Combo Funny Programmer Pi T-Shirt – Pizza and Coding Perfect Combo Funny Programmer Pizza Lover View on Zazzle
MMM Apple Pi Funny Mathematics Pun Pi Day Jokes Vi T-Shirt – MMM Apple Pi Funny Mathematics Pun Pi Day Jokes Vintage 3.14 View on Zazzle
Pi Day Pi Rex Dinosaur T-Shirt – Pi Day Pi Rex Dinosaur View on Zazzle
I Ate Some PI Graphic Pi Day Graphic Novelty Sarcastic Funny T Shirt L Black – BE CUTE AS PI: Fits True to size, great fit and feel Celebrate Pi Day in style with a Pi Day t-shirt! Featuring clever designs with... View on Amazon
Pi Spiral Novelty Pi Day Tee T-Shirt – Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Animals Installing Muscles Fitness Bodybuilding Pi T-Shirt – Animals Installing Muscles Fitness Bodybuilding Pig 1 View on Zazzle
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
Vintage Pi Day 3.14 TShirt- Funny Math Teacher Student Geek T-Shirt for Men Women Girls Kids – This Vintage Sunset retro Color Scheme Pi Day 3,14 math t-shirt makes a great gift idea for math lover, science lover, science nerds, mathematicians, geometry lover,... View on Amazon
Funny Pi Day Spiral Pi Math T-Shirt – Cool Pi Day 3,14 mathematical ratio 3,14159 greek letters irrational number geek nerd math mathematician algebra science symbol geometry pun school student apparel; THIS IS THE... View on Amazon
Pi Day Spiral Pi Math T-Shirt – Pi Day Shirt 3. 14 Pi tee shirt. Perfect for math majors, graduate students, science nerds or math geeks! Great for math teachers or mathletes who... View on Amazon
Vintage Baseball Bat Gameday Isiah Kiner Falefa Pi T-Shirt – Vintage Baseball Bat Gameday Isiah Kiner Falefa Pittsburgh View on Zazzle
Pi Day Shirts Irrational But Well Rounded 3,14 Pi – Pi Day Shirts Irrational But Well Rounded 3,14 Pi Number View on Zazzle
Animals Installing Muscles Fitness Bodybuilding Pi T-Shirt – Animals Installing Muscles Fitness Bodybuilding Pig View on Zazzle
Pi Menu 3.14 Pi Symbol - Math Teacher Happy Pi Day T-Shirt – Pi menu this funny pi symbol design is ideal for pi math lover student, pi math teacher, or pi mathematician.; Are you looking for math lover... View on Amazon
Pi Day With My Gnomies Funny Gnome Math Teacher Ki T-Shirt – Pi Day With My Gnomies Funny Gnome Math Teacher Kids Boys View on Zazzle
Sunglasses Player Bowler Kids Women Men Bowling Pi T-Shirt – Sunglasses Player Bowler Kids Women Men Bowling Pin Dabbing View on Zazzle
Animals Installing Muscles Fitness Bodybuilding Pi T-Shirt – Animals Installing Muscles Fitness Bodybuilding Pig View on Zazzle