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Those are the first six digits of pi (often represented by the Greek symbol “π”), a mathematical constant which, by the way, has found its way as a National Day in the US (passed by congress in 2009). If you knew those five decimal places, congrats you’re in the top 25% of Americans who know 5 or more decimals places according to our latest survey all about Pi… and pie.
We surveyed 750 Americans aged 18-65 during February 28, 2019 through March 1st, 2019 asking questions about their knowledge of Pi, taste for pie, various related pi-e topics.
We found out a bunch of goodies, including that 91% of Americans know what Pi is (where have the 9% been hiding?), and 96% of Americans enjoy eating pie! So, yeah, 5% more Americans enjoy eating pie then know what Pi is.
Here’s the rest of the stats (or skip down the page to find deals, coupons and freebies):
The majority of Americans last remember using Pi in high school (40%) compared to 38% who last remember using it in college or afterwards. Only 9% remember using Pi last before high school, and 13% don't recall or have never used it.
Many consumers know of Pi Day and over half (57%) have shopped Pi Day deals, freebies, or discounts in the past, or plan to take advantage this year.
96% of Americans enjoy eating pie (the food kind)! Over half of Americans (55%) prefer a dessert pie to a savory pie (18%), while 22% remain split, and just 4% don't eat pie at all.
Thanksgiving is the overwhelming favorite holiday to eat pie on with 2 of 3 (66%) Americans stating that is their preferred holiday day to enjoy some pie.
When asked to identify themself as either more of a Foodie or more of a Geek, 75% of females identified as a Foodie, compared to 52% of males. While 48% of males identified as more of a Geek, versus just 25% of females.
When asked which of the following (all that apply) likely do on Pi Day, here’s how Americans responded:
1 in 5 Americans prefer Apple Pie for dessert. Here’s the full breakdown of popular pies:
Note: “Other” included various options including Key Lime Pie, Lemon Meringue, and Peanut Butter Pie.
Ok, enough geeking out on Pi stats… now to the good stuff. Here’s the deals and coupons from pizza chains and various other retailers participating in PI Day!
Use these coupon codes and promotional discounts to score big savings when shopping online during Pi Day!
Harry & David - did you know this popular online gift site has pies for sale? They do! And you can save 20% off those and all orders with CouponFollow’s exclusive code HDCF20.
Blaze Pizza - Update: Due to Coronavirus, Blaze Pizza canceled their $3.14 Pi Day deal. Instead, download the Blaze Pizza app for a Pi Day Reward good through the end of the year.
Papa Johns - Buy 1 large pizza at regular price and get 1 for just $3.14.
GourmetGiftBaskets.com - Save 14% off all orders, including Whoopie Pies, chocolate cream pies, and apple pies with code PIDAY14 through 3/14 only or save 31.4% on select Pi Day sale items with code CFPIDAY through 3/20.
Cici’s Pizza - Buy 1 adult buffet and drink at regular price and get 1 for $3.14.
Pieology - Buy 1 artisan thin pizza and get 1 for just $3.14! They're also doing a contest for app rewards members, where you can enter to win free pizza for a year!
Coco’s - Celebrate on 3/14 with 1 free slice of pie between 4pm-10pm if you’re an e-club member.
7-Eleven - From 12am on Pi Day through 11:59pm, get a whole pizza for $3.14 through their 7Rewards app, as well as 50-cent slices.
Papa Murphy’s - Get 31.4% off your order on March 14 only using the code PIDAY. The catch? You have to spend at least $20, but hey, it’s easy when the pizza’s that delicious.
MOD Pizza - Use DoorDash for 1 free "infinite toppings" pizza when you spend $3.14. This is only for delivery, and only 5,000 pizzas are available! You can also enter to win $314 in DoorDash credit for MOD Pizza.
Slice - Use the Slice mobile app for $5 off orders $15+ at over 12,000 pizza places.
Boston Market - Buy 1 get 1 free chicken pot pies (with 3.14 etched into them!) with use of the Boston Market coupon on their site, 3/14 only.
Lou Malnati’s - Dine in and get a Chocolate Chip Cookie Pizza for just $3.14.
1000 Degrees - Get a classic or build your own 10" pizza for just $3.14 via the 1000 Degrees Rewards App.
Sauce Pizza & Wine - Get a 12" cheese pizza for just $3.14 by mentioning "Pi Day" when ordering during dine-in only.
Hungry Howie’s - Get a medium 1-topping pizza for just $3.14 with any bread purchase and the code 19PI.
Your Pie - Pizza pies for just $3.14 all day on March 14 only. Must have the Your Pie app to get the offer.
Fired Pies - From 11am-4pm on March 14, get any 1-topping pizza at Fired Pie for just $3.14 with the purchase of any drink.
Pilot Flying J - From March 9-15, get $5 off any whole pizza through the Pilot Flying J app.
Dairy Queen - Pie-flavored blizzards, anyone?? Buy 1 get 1 for just 80-cents for a limited time.
Cheesecake Factory - Okay, it’s not quite pie, but cheesecake is just as good! Get a free slice of cheesecake with any DoorDash delivery order of $15 or more weekdays only until 5pm. Use the code LUNCHSLICE.
Baked by Melissa - Not pie again, but if you don’t like cheesecake, surely you like cupcakes! Take 5% off all orders $60+ with code CUPCAKELOVER5.
These special Pi Day discounts are only available in select cities.
[Miami, FL] Fireman Derek’s $3.14 Slices - This award-winning bake shop and cafe will have select pie slices for just $3.14 each on March 14.
[Colorado, local] Mici Handcrafted Italian - Mici’s is giving away free pizza to the first 3 people in line at all their locations, plus .14 of a pie to the 4th person.
[Las Vegas, NV] Pop Up Pizza - Pop Up Pizza at the Plaza Hotel & Casino will be offering $3.14 slices of their Old School pizza all day March 14.
[Olympia, WA] Senior Services for South Sound’s Pie Fest - Celebrate Pi Day on March 14 from 12pm-3pm at the Olympia Senior Center. Includes Best Pie Bakeoff, free music, and individual pie slices from $3 each.
[Pasadena, CA] Pi in the Sky - Join NASA at the Education Office at NASA's Jet Propulsion Laboratory for their annual Pi In the Sky educational challenges for individuals and classrooms. The 2020 challenge will be live on March 6.
[Drake, IA] Drake Public Library’s Pi Day - Join friends and family for la local pie fest, featuring homemade pies for sale starting at 10am.
[Boise, ID] The Reuseum Geek Gala - This annual gala will be hosted at the Reuseum on March 14 from 7-10pm. Includes live auctions for a vacation to McCall or Kiawah, as well as pies for sale of course.
[Alexandria, MN] Habitat for Humanity 2020 Build Day - Want free pie after Pi Day?? Head to Alexandria, MN, on March 17, where the local Habitat for Humanity and Thrivent Financial are hosting their celebration and giving away free pies to anyone who signs up for the local build with one of the Thrivent Financial reps.
[Du Quoin, IL] Pie Day at First Methodist Church - From 10am-1pm on March 14, visit the First Methodist Church in Du Quoin for $3 slices of homemade pie, as well as free coffee or tea.
[Ocean City, NJ] Ocean City Pi Day Race - Burn those Pi Day calories off with a Pi Day Run/Walk of 3.14 miles beginning at 9am on the bike path by Ocean City Community Center. Pricing starts at $10 and the first 314 people to register get a free Pi Day shirt.
Don’t want pie for Pi Day? That’s okay--here’s some other great deals on apparel, tech, and more.
ShoeMall - Celebrate Pi Day with 30.14% off from 3/12-3/14 only with code PIDAY!
CafePress - Score an extra 15% off at CafePress for Pi Day from March 4-10 with code SPRING2020! Plus check out over 2,500 awesome Pi Day Gifts.
PYT Beauty - Save 30% off all orders with code CF30 for a limited time.
CTZN Cosmetics - get 20% off everything with code CF20.
TechForLess - Save 7% off all orders with CouponFollow’s exclusive code CF7 for a limited time.
Music Box Attic - Save 20% off everything sitewide with code CF20 on 3/14-3/15 only.
jClub - Use code CF25 for 25% off everything from 3/14-3/15 only.
ThreeMain - Save 20% off all purchases with code CF20.
Smelly Proof - Save 25% off your entire purchase of smell-proof storage bags with code CF25 through 4/15 only.
Ting Fire - Use code CF10 for an exclusive discount for CouponFollow readers only.
NOTE: More coming soon! Last year ThinkGeek, Dell, Microsoft, Dominos, Papa Johns, Lands' End, Delivery.com, Zazzle, Hotwire, Foot Locker, Comp and Save, Diamond.com, Shutterfly and various other brands also participated with online coupons codes and discounts. Most of these are usually released the day before, or day of, Pi Day. So check back on this post as it will be continually updated as new online promotions, coupons and deals are released by retailers.
TIP: CouponFollow tracks coupons and deals posted to social media automatically, but you can also keep an eye on social media yourself. We suggest using the advanced search feature of Twitter to reduce noise and pull out the good stuff.
Whether you’re a fan of pizza pie, dessert pie, solving complex mathematical equations, or just love fun holidays, Pi Day has something to offer you!