Buy one, get one deal at Blaze Pizza on Pi Day. Blaze Pizza is offering customers a buy one 11-inch pizza, get a second pizza of equal or lesser value for $3.14 on March 14. Addit

National Pi Day 2025 brings pizza and pie deals nationwide, with discounts like $3.14 pizzas and freebies from major chains.

Friday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to celebrate the concept, which has fascinated humans for centuries, and local eateries offer pie-related deals.