The most popular way of celebrating is to eat pie or pi-themed food (43 percent); post about it on social media (15 percent); and jog or walk 3.14 miles (15 percent).
According to the day's organizers, Pi is a constant number, meaning that for all circles of any size, Pi will be the same. And if you don't feel like going out, try cooking up one of our favorite pie recipes.
The annual day is celebrated on March 14 - or 3.14.
Boston Market: Offering free chicken pot pie with purchase of one pot pie and drink.
You can also get a medium one-topping pizza at Hungry Howie's with purhcasde of any regular Howie Bread.
It's March 14th, and for math lovers everywhere that means one thing-It's Pi Day!
You can also get a free slice of pie with the purchase of a menu item. Despite pi's existence has been around forever celebrating Pi Day is relatively new.
Whole Foods: Whole Foods will offer 3.14 off large bakery pies all day Wednesday.
Blaze Pizza at the St. Johns Town Center has pizza all day long for $3.14.
Coco's Bakery Restaurant (7985 Rosedale Highway): Free slice of pie with any entree for dine-in guests.
Locations not participating in Pi Day are Disney Springs, Houston Airport, UCLA, Staples Center, and George Mason University. Customers who want a discounted pie should go to the restaurant's site before Wednesday and enter their information to receive a coupon by email.