Pi Day Princeton

The 2026 Pi Day Princeton & Einstein’s Birthday Celebration will be more fun than ever!

Einstein was born on March 14 — 3.14 — the numeric equivalent of Pi! Every year, the town of Princeton celebrates with an irrational number of events, including an Einstein Look-a-Like & Pi Recitation contest and pie judging experience!

• Pi Recitation Winner receives $314.15!  (10yrs and younger)
• Look ALike Winner receives $314.15!  (10yrs and younger)
• Pi Day & Einstein Pub Crawl (21yrs and older)
• Book the Einstein Suite at the Nassau Inn or the Pi Day Room at The Graduate Hotel

There’s even a Pi-Rade, Pie Judging Contest, story time and book signings, and more! 

Princeton is honored to host the world to celebrate our most beloved Princeton genius!

Follow us on social media or email us for locations for each official event!

Event Partners

Princeton Tour Company, Princeton Public Library, Historical Society of Princeton, Paul Robeson House, Princeton University, Jeff Bross, Conte’s Pizza, Jules, D’Angelo, Ivy Inn, Nomad Pizza, Pizza Star, PJ’s Pancake House, Terhune Orchard, Nassau Diner, Chez Alice, The Graduate Princeton, LilliPies, Bread Boutique, Nassau Inn & The Graduate Hotel 

Pi Recitation & Einstein Look A Like Registrations – $3.14 per contestant | Guarantees participation in Pi Recitation competition (10yrs and younger) | Guarantees participation in the Einstein Look A Like competition (10yrs and younger) |Winner of Pi Recitation contest receives $314.15 | Winner of Einstein Look A Like competition receives $314.15

Most events are free and located in downtown Princeton.  We recommend arriving early to guarantee participation; however, the purchase of contestant registration guarantees participation to compete in contests.

2026 Pi Day Celebration Schedule 

Saturday – 3.14.26

• • 10:30a.m.   Einstein Story Time – Princeton Public Library – 3rd Floor
  • 11:00 a.m.  Einstein Look-ALike Contest – Princeton Public Library  – Community Room
  • 12:00 p.m.  Pi Recitation Contest – Princeton Public Library (Pi-Rade immediately follows) 
  •   1:59 p.m.  Einstein & Social Justice  –  Paul Robeson House 
  •   2:00 p.m.  Hands On Einstein Exploration Station – Princeton Public Library – 3rd Floor
  •   3:14 p.m.  Pie Judging Contest – The Graduate Hotel Lobby
  •   4:00p.m.   Einstein Facts & Fun with Historical Society of Princeton – Princeton Public Library – 3rd Floor
  • 5:00 p.m.   Pi Day & Einstein Birthday Party Pub Crawl (21yrs and older – starts at Yankee Doodle Tap Room – limited to the first 40 guests)

•  All Day Pizza Pies –  Conte’s, D’Angelo, Ivy Inn, Jules, Nomad Pizza, PJ’s Pancake House, Pizza Star – Bring a receipt to Princeton Public Library and receive the Self Guided Einstein Tour Map

•  All Day Dessert & Savory Pies – Terhune Orchard, Nassau Diner, Chez Alice, McCaffrey’s, The Graduate Princeton, LilliPies, Bread Boutique – Bring a receipt to Princeton Public Library and receive the Self Guided Einstein Tour Map

#princetonpiday2026