There are 286 peanut M&M’s in a quart-size mason jar—we counted! You need to know the number of M&M candies if you’re trying to win the Guess How Many game, right? We got you!

A mason jar filled with peanut M&Ms sitting on a table next to a bowl filled with cards where you can place your guess. You can download these from Skip to my Lou.
Guessing how many M&Ms are in a mason jar is a fun game to play at work or with your family!

Everybody loves this game!

Note that we used peanut, not plain M&M candies. And we used a classic glass mason jar.

Mason Jar Sizes

You need to know the size of the jar too; if it’s not a quart-sized jar then you’ll have to do some calculating:

  • A pint-size jar is 1/2 of a quart, so 286 / 2= 143
  • There are two quarts in a half gallon, so 286 x 2 = 572
  • There are four quarts in a gallon, so 286 x 4 = 1,144

There will always be some variation depending on how high the jar is filled, but this ought to get you pretty darn close to the answer!

Are they describing the jar in terms of ounces? Here are some conversions for you:

  • A pint size jar is also a 16 ounce jar
  • A quart size jar is also a 32 ounce jar
  • A half gallon size jar is a 64 ounce jar
  • A gallon size jar is a 128 ounce jar

These size references for jars are fluid ounces!

More about ounces

  • ‘oz.’ is the abbreviation for ‘ounce’!
A mason jar, photographed from above, sitting on cards where you can place your guess, and  filled with peanuts.
We have several guessing games at Skip to My Lou, including how many peanuts are in a mason jar.

Let’s Play Guess How Many In The Mason Jar!

Want to play Guess How Many In The Jar at your next party?

Grab a quart sized mason jar, a 64 oz bag or larger of peanut M&Ms or your favorite candy then head on over to Skip to my Lou for step by step instructions plus the awesome free printable signs and cards for the Guess How Many In The Jar Game you see in these photos!

More How Many Candies Fit In a Mason Jar Counts:

Tell us—what did you guess, and how close were you?

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