# 39 Hilarious Pi Day Jokes To Spark Infinite Laughter

Why should you never talk to Pi?

As a refresher: Pi is the ratio of a circle’s circumference to its diameter and it’s always 3.14. Since Pi is constant and never-ending (it’s been calculated to 50 trillion digits beyond the decimal point), it’s great for math jokes. On March 14 (Pi Day—get it, 3.14?), celebrate math, geometry, and any kind of pie you can think of (apple, peach, pumpkin, pizza) with these Pi Day jokes.

Pumpkin pi!

### 2. What’s the best way to serve pi?

A la mode. Anything else is mean.

### 3. Why should you never talk to Pi?

Because they will go on and on and on forever.

Pi in the sky.

### 5. Why shouldn’t you let advanced math intimidate you?

It’s really as easy as pi!

### 6. A statistics professor and a math professor worked together on a cookbook.

They called it “Pi a la Mode.”

### 7. Why did Pi fail their driver’s test?

Because they didn’t know when to stop.

Moon pi.

Pi-rates.

Pi are round.

### 11. What did Pi say when asked to explain what Pi Day is again?

“I don’t want to repeat myself.”

### 12. Why should you never argue with Pi?

They are completely irrational.

A pi-thon.

### 14. What did the triangle say to the circle?

You’re pointless.

The pi-thon!

### 16. What happens when you eat too much pi?

You get a bigger circumference.

Shepherd’s pi.

### 18. Who was the roundest knight at King Arthur’s table?

Sir Cumference because he ate too much pi.

Chocolate pi.

A s-pi.

Apple pi.

3.14 stars.

### 23. How are mathematicians like the air force?

They both use pi-lots.

### 24. Why don’t the other numbers take Pi to the party?

He goes on forever and ever.

Pi-oneers.

The Pi-ed Piper.

It never ends.

3.14.

A cow pi.

Magnum Pi.

Chicken pot pi.

Half a pi.

### 33. Why don’t you get into an argument with pi?

It goes around in circles.

### 34. What do you call a young student who loves math and wants to know more about pi?

An as-pi-ring mathematician.

### 35. What did Pi say to their partner?

Stop being so irrational.

Sweetie pi.

Sine language.

### 39. Why do people need to stop with the pi jokes?

We’ve heard them 3.14 million times already!

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