Known cases / Chocolate & Candy / Peanut
Did Peanut M&Ms shrink?
10.7 → 10.05 oz −6.1%Size Facts
Before10.7 oz
After
10.1 oz
Hidden unit-price rise at same price+6.5%
When2023
CountryUnited States
Evidenceconsumer-advocate report (photo of old/new packages)
Confidencehigh
Source: Mouse Print* — Here We Shrink Again – Year-End 2023 (mouseprint.org). Source fetched 2026-10-14. Check the math in the calculator.
What the source says
“Some months ago their “sharing size” package went from 10.70 ounces to 10.05 ounces”
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