How many cheerios in a 15oz box?

A typical 15-ounce box of CheeriOS contains approximately 1,200 to 1,300 pieces, depending on factors like the size of the individual CheeriOS and how densely they are packed. This estimate can vary slightly based on the specific variety of CheeriOS and the manufacturing process. For a more accurate count, you could weigh a specific number of CheeriOS and extrapolate from that.