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National Pi Day 2026: Celebrating with Discounts and Deals

3/15/2026, 8:48:55 PM

Overview of Pi Day Celebrations

National Pi Day, celebrated annually on March 14, honors the mathematical constant ? (pi), which approximates to 3.14. This day not only commemorates the significance of pi in mathematics but also serves as a promotional opportunity for restaurants and food brands across the United States to offer discounts on circular foods, particularly pizza and dessert pies.

Key Promotions and Offers

Numerous chains are participating in Pi Day 2026 with various deals:

  • 7-Eleven: Members of the 7Rewards and Speedy Rewards programs can purchase a whole pizza for $3.14, along with quesadillas and cinnamon sugar fried pies priced at 31.4 cents.
  • Burger King: Customers spending at least $3.14 can receive a free Hershey's Sundae Pie or Cinnamon Apple Pie.
  • Blaze Pizza: Offers a buy-one-get-one deal on 11-inch pizzas for $3.14 at participating locations.
  • Pizza Hut: Customers can buy one medium or large "Create Your Own" pizza and receive another free through DoorDash.
  • Sbarro: Offers $4 off eligible orders of $20 or more through April 6 for DashPass members.
  • Marco's Pizza: Customers can get a medium one-topping pizza for $3.14 with the purchase of a large or extra-large pizza using the code "PIDAY."
  • Cici's Pizza: Buy one medium or large one-topping pizza and get a second for $3.14.
  • BJ's Restaurant & Brewhouse: Offers a Pizookie dessert for $3.14 with the purchase of a large or shareable pizza.

Background and Context

Pi Day was first celebrated in 1988 by physicist Larry Shaw at the Exploratorium science museum in San Francisco. The U.S. House of Representatives officially recognized March 14 as National Pi Day in 2009, further popularizing the event. The date was chosen due to its numerical representation of pi (3.14) and coincides with the birthday of Albert Einstein.

Why It Matters

The celebration of Pi Day has evolved into a significant retail event, allowing restaurants to boost sales while promoting math and science. The circular theme of pi lends itself well to food promotions, making it a fun and engaging way for businesses to attract customers.

Criticism & Opposition

While many enjoy the festivities, some critics argue that the commercialization of Pi Day detracts from its educational purpose. They express concerns that the focus on discounts overshadows the importance of mathematics and its applications in everyday life.

Conflicting Reports & Gaps

Some sources report varying details on specific promotions, such as the duration of offers and the exact terms for discounts. For example, while Blaze Pizza's buy-one-get-one deal is consistent, other chains like Domino's have multiple promotions that may differ by location.

Verbatim Quotes

  • “The holiday didn’t really gain national recognition until two decades later.” — Source
  • “Pi is an irrational number, meaning it goes on forever and has been calculated to over a trillion digits, according to NASA.” — Source

As Pi Day approaches, customers can look forward to a variety of deals that celebrate both the mathematical constant and the joy of food, making March 14 a day of indulgence and learning.