Get ready to celebrate Pi Day 2025 on March 14—a day when math enthusiasts, pie lovers, and bargain hunters unite to honor the mathematical constant π (pi) and enjoy a host of amazing pi day deals. We’ve got you covered with everything you need to know about this annual celebration, along with a roundup of the best discounts on pizzas, pies, and more!
What Is Pi Day?
Pi Day is celebrated each year to honor the mathematical constant π, which represents the ratio of a circle’s circumference to its diameter and is approximately 3.14159. This day has been observed by math enthusiasts since its inception and is marked by activities such as reciting pi’s infinite digits, hosting math challenges, and, of course, enjoying delicious pie!
For thousands of years, scholars and mathematicians have marveled at pi’s never-ending, non-repeating nature. The constant is essential in fields ranging from engineering to astrophysics. On Pi Day, the beauty of mathematics is celebrated alongside tasty treats—often in the form of pies and pizza, thanks to the fun homophone connection between “pi” and “pie.”
When Is Pi Day 2025?
Mark your calendars—Pi Day 2025 falls on Friday, March 14, 2025! This special day is the perfect excuse to indulge in your favorite circular treats while engaging in math-related festivities. With the number 3.14 inspiring the celebration, Pi Day offers both a chance to learn and to treat yourself with exciting offers that are sure to satisfy every craving.
Unmissable Pi Day Deals: It’s A No-Brainer!
In honor of Pi Day, a variety of restaurants and retailers are rolling out special promotions and discounts. Here’s a roundup of some of the best pi day deals to help you make the most of this unique celebration:
Blaze Pizza
- Deal: Buy one 11-inch pizza and get a second pizza of equal or lesser value for just $3.14 on March 14.
- Extra: Each order also unlocks a code for an additional BOGO offer anytime through the end of March.
- Locations: Nearly 300 locations across North America, including 21 in Texas.
- Find a Blaze Pizza near you here.
Papa John’s
- Deal: Papa John’s is offering a BOGO deal where customers can buy one large or extra-large pizza and get another of equal or lesser value for $3.14 on March 14.
- Note: Customers must join the Papa Rewards program by March 14 to redeem the offer.
- Find a Papa John’s location here.
Marco’s Pizza
- Deal: Get a medium 1-topping pizza for $3.14 with the purchase of any large or extra-large pizza using the code “PIDAY.”
- Availability: Online and app orders only.
- Find a Marco’s Pizza near you here.
Cicis Pizza
- Deal: Buy one medium or large 1-topping pizza with Cicis’ original round crust and get a second pizza for $3.14 using the code “PIDAY.”
- Locations: Over 100 locations across the U.S., with a significant presence in Texas.
- Find a Cicis Pizza near you here.
California Pizza Kitchen
- Deal: For March 13 and 14, CPK Rewards members can enjoy select pizzas (Original BBQ Chicken, Pepperoni, or Traditional Cheese) for $3.14 with a $25 purchase.
- Enrollment: Non-members can sign up for CPK Rewards online or via the CPK app.
- Find a California Pizza Kitchen near you here (note: link redirects to CPK promotions).
Other Deals
- Papa Murphy’s: Enjoy 31.4% off your online order using the code “PIDAY25.”
- 7-Eleven: Get discounted pizzas, quesadillas, and chicken tenders for $3.14.
- Round Table Pizza, Mountain Mike’s Pizza, Grimaldi’s Pizza, BJ’s Restaurant & Brewhouse, Schlotzky’s, Paisano’s Pizza, Famous Dave’s, Village Inn, The Brass Tap, Crust Pizza Co., and RaceTrac are also offering special deals on March 14—be sure to check your local listings for details.
Pi Day 2025 is more than just a celebration of the mathematical constant π—it’s a day that blends learning, fun, and delicious food deals. Whether you’re a math geek eager to memorize more digits of pi or simply someone who loves a good slice of pizza, there’s something for everyone on this special day.
