Pi Day Shirts: Smart, Funny Tees for March 14
Clever, funny designs for students, teachers, and STEM fans to celebrate March 14.
Shop on Senprints →Our top picks
Why Pi Day shirts are a yearly favorite
Every March 14, schools and STEM lovers celebrate Pi Day. A funny pi-themed tee is an easy, festive way for teachers and students to join in — and it’s a thoughtful gift for the math nerd in your life.
Popular Pi Day design ideas
- "Easy as 3.14" and pi-symbol puns
- "Come to the math side" crossover jokes
- Pie-and-pi visual gags
Ready to shop pi day shirt?
Senprints has hundreds more designs — pick your size and color at checkout.
Browse on Senprints →Frequently asked questions
When is Pi Day?
Pi Day is March 14 (3/14). Order a couple of weeks ahead so your shirt arrives in time to celebrate.
Are these good for a class or group?
Yes — Pi Day tees are popular for math classes, STEM clubs, and teacher teams. Browse the collection for matching options.
