Pi Day is a celebration of the annual mathematical concept, the ratio of the circumference of a circle to its diameter, equal to 3.14…
March 14th is also reportedly the birthday of theoretical physicist Albert Einstein.
On Friday, restaurants and businesses across the country will celebrate one of their “geek” days with real pies, pizza pies and other delightful deals.
Some of the transactions that can be used with this PI date are:
Traditional pie
Milk Bar
All milk bar locations offer “PIàLA mode” trading. Milk Bar’s famous slices of Milk Bar Pie are a signature Siri Milk Soft Serve cup for $10 ($4 discount).
Hello Top
What’s better with pie than ice cream?
From now until March 20th, Halo Top is offering 80,000 pints to celebrate eight new flavors.
To win a free pint, ice cream lovers can head to halotop.com/firsttaste.
Pizza pie
7-Eleven
7-Eleven is offering a large $3.14 pizza to its loyalty program at its 7-Eleven, Speedway and Stripes stores on Thursday, March 14th (limiting one per transaction and two per day).
Anthony’s Coal Fired Pizza & Wings
On Thursday, March 14th, we’ll be offering 31.4% off a big 16-inch pizza at Anthony’s Coal-Firing Pizza & Wings. It is effective only for meals.
BJ Restaurants & Brewhouses
Buy a Pizookie at a price regularly at BJ’s Restaurant & Brewhouse on Thursday, March 14th to get your second Pizookie for $3.14. It is effective only for meals.
Fire pizza
If you buy one 11-inch pizza, you will get a second 11-inch pizza for $3.14 at the participating Blaze Pizza location on March 14th. The offer is only available in the restaurant, and is valid for the original crust pizza.
Customers will also get a code for the purchase and get one with a $3.14 pizza that can be used on the Blaze app until 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 between original BBQ chicken pizza, pepperoni, or traditional cheese) and only buy the lowest $25 minimum purchase.
Current Remuneration Members will find this offer in their digital wallet on March 14th.
Chuck E. Cheese
Buy a big pizza at the Chuck E. Cheese location that I’m participating in in March and get a glass of one-topping pizza for $3.14. 14.
CICIS pizza
On PI Day, CICIS Pizza customers who purchase one medium or large one-top pizza with CICIS original round crust or one-top pizza, large, can purchase a second pizza of the same size for $3.14. This offer can be redeemed in store or online on Code P Day.
Digiorno
Starting on Pi Day on March 14th, the brand will launch prizes and give fans the opportunity to win limited edition items from Digiorno and Hidden Valley Ranch Collab Collection.
To enter, the supply will continue to visit the 12pm gift website on March 14th and get the chance to win free items.
‘doordash
Food Delivery Service offers nationwide PI Day deals from three popular pizza chains: Pizza Hut, Subaro and Hungry Howeyes.
Pizza Hut: $6 eligible orders of $30 or more from the Pizza Hut location participating in Doordash on March 14, 2025. SBARRO: $7 eligible orders worth $25 or more from SBARRO locations attended by Doordash from March 13th to 15th. Dashpas members can save $8 on eligible orders over $25 from Sbarro locations, who have been participating in Doordash since March 13th and 2015. Hungry Howie’s: Enjoy purchasing at least $30 or more from the Hungry Howie’s Pizza location at Doordash from March 14th to 15th.
other
Pi Day Party by Mathnasium X Camp
Camps at Family Activities Centers located in Boston, Chicago, Dallas, Los Angeles, New York, Philadelphia and Washington, DC are working with Mathnasium for a free Pi Day celebration.
Family members can book a Pi Day Slime Bar booking and then enjoy free pizza and other practical activities such as bead bracelet crafting, face painting and temporary tattoos.
Mathnasium and Camp also hold sweepstakes nationwide. The three lucky winners will receive a $3,140 educational scholarship and a $314 camp gift card.
Burger King
Members of the Burger King’s Royal Perks program will be able to enjoy a free Hershey Sunday pie with purchases of $3.14 or more on Thursday.
Offers must be activated on the “Offers” tab in the BK app or on the bk.com before placing an order.
Keebler
Love Instagram posts, tag your friends and ask for a chance to win Keebler’s ready-to-eat pie crust. There is no need to buy it.
Taco Bell
Taco Bell sells Mexican pizza on Pi Day for $3.14. This offer is limited to one per customer and only on the app.
