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.

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 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 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...

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...

No Pineapple, I Don t Belong On Pizza, Hawaiian Pi T-Shirt – No Pineapple, I Don t Belong On Pizza, Hawaiian Pizza 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
Math Is A Peace Of Pi Pizza Math T-Shirt – Math Is A Peace Of Pi Pizza Math View on Zazzle
I Ate Some Pie and It Was Delicious Funny PI Day Math Pun T-Shirt – Perfect pi day apparels for math majors, math teachers, science nerds, math geeks, math club mathletes and pi lovers who like branches of maths like algebra... View on Amazon
Math & Pizza Pi Funny Women Mathletics Love Birthd T-Shirt – Math & Pizza Pi Funny Women Mathletics Love Birthday View on Zazzle
Investor Funny, Will Give Investment Advice For Pi T-Shirt – Investor Funny, Will Give Investment Advice For Pizza View on Zazzle
Funny Pi Day Shirt Spiral Pi Math Tee for Pi Day 3.14 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
Pizza & Guinea Pig Kind Of Day-Guinea Pig Lover-Pi T-Shirt – Pizza & Guinea Pig Kind Of Day-Guinea Pig Lover-Pizza Lover View on Zazzle
Pi Day kids Pizza Pi Funny Math Food 3.14 T-Shirt – Pi Day kids Pizza Pi Funny Math Food 3.14 View on Zazzle
If Cauliflower Can Be Pizza You Can Be Anything-Pi T-Shirt – If Cauliflower Can Be Pizza You Can Be Anything-Pizza GIft View on Zazzle
Can't Stop Pi Won't Stop Pi Day Vintage Retro Math Lover T-Shirt – "Can't Stop Pi Won't Stop". Pi Day Tees. St Patrick's Day Lovers of Mathematics and People Who Celebrate Pi day.; Can't Stop Pi Won't Stop Pi... View on Amazon
Pi Day Shirt Spiral Pi Math design for Pi Day 3.14 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
Pi Spiral Novelty Pi Day T Shirt T-Shirt – Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Mathematicians favorite number Pi Pizza T-Shirt – Mathematicians favorite number Pi Pizza View on Zazzle
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
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
Pi day 3.14 Math Is A Piece Of Pizza T-Shirt – Pi day 3.14 Math Is A Piece Of Pizza View on Zazzle
Single Married Taken Checkbox Gift Funny Single Pi T-Shirt – Single Married Taken Checkbox Gift Funny Single Pizza Lover View on Zazzle
Pizza Pi Math Lovers School Teacher Student T-Shirt – Pizza Pi Math Lovers School Teacher Student View on Zazzle
Just A Steminist Who Likes Pizza Engineering Pi Ma T-Shirt – Just A Steminist Who Likes Pizza Engineering Pi Math 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
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
Funny Pi Day Math Gift Mathematics Pineapple Lover T-Shirt – Funny Pi Day Math Gift Mathematics Pineapple Lover Men Women View on Zazzle
Tropical Summer Exotic Fruit Women Girls Kawaii Pi T-Shirt – Tropical Summer Exotic Fruit Women Girls Kawaii Pineapple View on Zazzle
Pi Day Pizza Lover Math Teacher 3.14 Geek Mathemat T-Shirt – Pi Day Pizza Lover Math Teacher 3.14 Geek Mathematics Major View on Zazzle