National Pi Day 2024: Pizza deals to celebrate 3.14

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FILE - A man prepares a pizza pie to be served to students on Nov.18, 2011 in Miramar, Florida. (Joe Raedle/Getty Images)

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National Pi Day is on March 14 and it marks the day that the scientific community and the world at large celebrate and recognize the mathematical constant of pi.

The number pi, or π, symbolizes the ratio of the circumference of a circle to its diameter and is equal to approximately 3.14159, with a fraction of 22/7.

So, in honor of pi, here are some pizza "pi" deals that you can look forward to in honor of 3.14159265359… well, you get it.

Pizza Hut

Beginning on March 12, Pizza Hut is offering guests a free large one-topping pizza with a purchase of any menu-priced large pizza. To claim the offer, click on the deal on Pizza Hut's homepage or enter the code "FREEPIZZA" when checking out in the cart.

Blaze Pizza

Get any 11-inch pizza for just $3.14 in celebration of Pi Day.

Peter Piper Pizza

Buy one large pizza, get one 50% off on Pi Day.

Digiorno Pizza

Digiorno is offering anyone who may have received a pizza delivery that was less than perfect, a chance to get a discount on their next Digiorno purchase.

Guests can upload a photo of their damaged pizza to DigiornoPizzaRescu.com and with the use of "AI-enabled pizza technology," the damage will be assessed and one of three discount offers will be issued (0-30% - $1 off, 31-60% - $1.50 off and 60-100% - $2 off).

This promotion will be offered beginning March 14 through April 11.

Domino’s Pizza

Domino’s is offering a mix and match deal on Pi Day.

Guests can pick any two or more menu items for just $6.99 each and Domino’s is offering a carryout deal which includes all one-topping pizzas for just $7.99.

Round Table Pizza

Round Table Pizza is offering a personal cheese pizza for just $3.14 with a purchase of any large or extra-large pizza on March 14. This offer is only valid for loyalty rewards members.

California Pizza Kitchen

The California Pizza Kitchen is offering rewards members who make a minimum purchase of $25 while dining in, one of CPK’s classic pizzas for $3.14.

Guests can choose the Original BBQ Chicken, Pepperoni, or Traditional Cheese Pizza.

This offer is available at most CPK restaurants across the United States except Hawaii.

Marco’s Pizza

Marco’s is offering a medium one-topping pizza for $3.14 with a regular purchase of any large or extra large pizza with the code "PIDAY2024."

Marie Callender's

Celebrate Pi Day with $3.14 off select multi-serve pies online at select retailers including Walmart, Kroger and Amazon Fresh. Visit the Marie Callender website to claim the deal.