Introduction to Pi Day
Pi Day is an annual national celebration of the mathematical concept, which is the ratio of a circle’s circumference to its diameter and equals 3.14. March 14 is also reportedly the birthday of theoretical physicist Albert Einstein. On Friday, restaurants and businesses nationwide will be celebrating one of the "nerdiest" days of the year with deals on actual pie, pizza pie, and other delights.
Traditional Pie
Milk Bar
All Milk Bar locations will offer a “Pi à la Mode” deal: a slice of Milk Bar’s famed Milk Bar Pie alongside a cup of their signature Cereal Milk Soft Serve for $10 ($4 discount).
Halo Top
What goes better with pie than ice cream? From now until March 20, Halo Top is giving away 80,000 free pints in celebration of their eight new flavors. To claim a free pint, ice cream enthusiasts can head to HaloTop.com/firsttaste.
Pizza Pie
7-Eleven
7-Eleven is offering members of its loyalty programs a large pizza for $3.14 in 7-Eleven, Speedway, and Stripes stores on Thursday, March 14. (Limit one per transaction, two per day.)
Anthony’s Coal Fired Pizza & Wings
Get 31.4% off a large 16-inch pizza on Thursday, March 14, at Anthony’s Coal Fired Pizza & Wings. Valid for dine-in only.
BJ’s Restaurant & Brewhouse
Get a second Pizookie for $3.14 with the purchase of a regularly-priced Pizookie on Thursday, March 14, at BJ’s Restaurant & Brewhouse. Valid for dine-in only.
Blaze Pizza
When you buy one 11-inch pizza, you can get a second 11-inch pizza of equal or lesser value for $3.14 at participating Blaze Pizza locations on March 14. The in-store-only offer is one per person and valid on any original dough pizza. Customers will also get a code for a buy one, get one for $3.14 pizza that can be used in the Blaze app through the end of March.
California Pizza Kitchen
Sign up for California Pizza Kitchen’s CPK Rewards loyalty program to get a $3.14 pizza (choose from Original BBQ Chicken Pizza, Pepperoni, or Traditional Cheese), with a $25 minimum purchase for dine-in only. Current rewards members will find this offer in their digital wallet on March 14.
Chuck E. Cheese
Get a medium build-your-own one-topping pizza for $3.14 with the purchase of any large pizza at participating Chuck E. Cheese locations on March 14.
Cicis Pizza
On Pi Day, Cicis Pizza customers who buy one medium or large one-topping pizza with Cicis Original round crust can buy a second pizza of the same size for $3.14. The offer can be redeemed in store or online with the code PIDAY.
DIGIORNO
Starting on Pi Day, March 14, the brand will launch a giveaway and give fans the chance to win limited-edition merchandise from a DiGiorno and Hidden Valley Ranch collab collection. To enter, visit the giveaway website at 12 p.m. ET on March 14 for the chance to score free items while supplies last.
DoorDash
The food delivery service is offering nationwide Pi Day deals from three popular pizza chains: Pizza Hut, Sbarro, and Hungry Howies.
- Pizza Hut: $6 off eligible orders of $30+ from participating Pizza Hut locations on DoorDash on March 14, 2025. The offer is not valid for pickup and is limited to one per person.
- Sbarro: $7 off eligible orders of $25+ from participating Sbarro locations on DoorDash from March 13 — 15. The offer is not valid for pickup and is limited to one per order. DashPass members can save $8 on eligible orders of $25+ from participating Sbarro locations on DoorDash from March 13 — 15.
- Hungry Howie’s: Enjoy a free Howie Bread with a minimum purchase of $30+ from participating Hungry Howie’s Pizza locations on DoorDash from March 14 — 15.
Other Deals
Pi Day Party by Mathnasium x CAMP
CAMP, the family activity center with locations in Boston, Chicago, Dallas, Los Angeles, NYC, Philly, and Washington D.C., is teaming up with Mathnasium for free Pi Day celebrations. Families can book a Pi Day slime bar appointment, then enjoy free pizza and other hands-on activities like beaded bracelet crafting, face painting, and temporary tattoos.
Mathnasium and CAMP are also hosting a national sweepstakes. Three lucky winners will receive a $3,140 educational scholarship and a $314 CAMP gift card.
Burger King
Members of Burger King’s Royal Perks program can enjoy a free Hershey’s Sundae Pie with any purchase of $3.14 or more all day Thursday. The offer must be activated in the “Offers” tab on the BK App or on bk.com before placing an order.
Keebler
Enter for a chance to win Keebler’s ready-to-eat pie crusts by liking their Instagram post and tagging a friend. No purchase necessary.
Taco Bell
Taco Bell is selling their Mexican Pizzas for $3.14 on Pi Day. The offer is limited to one per customer, only in the app.
Conclusion
Pi Day is a fun celebration that combines food, math, and entertainment. With numerous deals and promotions available nationwide, there’s something for everyone to enjoy. Whether you’re a fan of traditional pie, pizza, or other treats, be sure to take advantage of these limited-time offers and make the most of this special day.
FAQs
Q: What is Pi Day?
A: Pi Day is an annual celebration of the mathematical concept of pi, which is the ratio of a circle’s circumference to its diameter and equals 3.14.
Q: When is Pi Day?
A: Pi Day is celebrated on March 14th of every year.
Q: What kind of deals can I expect on Pi Day?
A: Various restaurants and businesses offer deals on traditional pie, pizza, and other treats, often with prices related to the digits of pi (e.g., $3.14).
Q: How can I participate in Pi Day celebrations?
A: Check with local restaurants and businesses for available deals, and consider attending events or activities hosted by organizations like Mathnasium and CAMP.
Q: Are Pi Day deals limited to specific locations?
A: While some deals may be limited to specific locations or online platforms, many national chains and brands participate in Pi Day celebrations, offering deals across multiple locations.
