March 14 or 3.14 is National Pi Day. This national holiday, dedicated to the ratio of a circle’s circumference to its diameter, celebrates the importance of math and science around the world. But before you have a terrible flashback to your grade school math class, check out these delicious pie deals, whether pizza or actual pie!

Remember to call ahead to be sure your local store will honor the deal. And if you want to make your own pizza pie at home, check out this deal on a Chefman indoor pizza oven.

Save on these National Pi Day deals you can count on

7-Eleven

Participating locations are offering large pizzas for $3.14 on March 14. To get this deal, sign up for 7Rewards or download the 7-Eleven app. 7NOW users can also reap the reward of $14 off $30 using the promo code PIDAYDEAL and FREE delivery with a purchase of $15.

Baskin-Robbins

App users can get a $2 off coupon for the chain’s Polar Pizza treats.

BJ’s Restaurant & Brewhouse

While not strictly a Pi Day deal, customers can get half off large pizzas Tuesdays through Sundays with code HALFOFF when you order online.

Blaze Pizza 

This customizable pizza joint is offering an 11″ Original Dough pie for, you guessed it, $3.14! To get this deal, join Blaze Rewards.

Burger King

Get a free Hershey’s Sundae Pie all day long on Pi Day with any purchase of $3.14 or more.

California Pizza Kitchen

Rewards members can enjoy a $3.14 pizza on Pi Day with a $25 minimum purchase, dine-in only.

Grand Traverse Pie Company

Enjoy a free slice of Michigan ABC Crumb pie with any purchase on March 14.

Hubbard Avenue Diner

Get any slice of pie for just $3.14 on March 14. Plus, purchase a limited edition Pi Day t-shirt and lock in your pie-slice-price at $3.14 all year long, whenever you wear the shirt through March 13, 2025.

Mountain Mike’s

Get a free mini pizza with the purchase of any 20 oz. bottled beverage through the Mountain Mike’s app on Pi Day.

Pieology

On March 14, Pies and Perks members will receive two free Perks with their Create Your Own (CYO) Pizza or Calzone purchase. You’ll also get $5 off your first order of $15 or more when you join.

Pie Five Pizza

Loyalty members get $5 personal pizzas on March 14. Join the new “Circle of Crust” rewards program here.

Primanti Bros.

Get a BOGO 14- or 18-inch pizza on any Thursday with code FREEPIZZA.

Round Table Pizza 

Royal Rewards members will get a Personal Cheese Pizza for just $3.14 with the purchase of any large or XL pizza on Pi Day.

Uno’s Pizzeria

Order an individual Chicago Thin Crust Cheese or Pepperoni pizza for $3.14 (dine-in only) or buy 1 Deep Dish or Thin Crust pizza and get a second for $3.14 (takeout only)!

Though not necessarily for Pi Day, Uno’s Pizzeria is offering a free personal pizza with any purchase when you sign up for Uno’s Extras! The company also has family meal deals.

Your Pie

Get a 10″ pizza for $5 on March 14.