Question: how many plain m&ms in 1/4 cup?
Answer: How many M&M's fit in a 2 1/2 x 2 1/2 x 1 container that holds 1/4 cup? Answer: Such a container with a volume of 1/4 cup is equivalent to 2 ounces. Based on the formula in the article, a 2oz container should be able to hold about 63 M&Ms.