Easier interactions around measurements when communicating with nearly the entire rest of the world for starters. Also, pretty much all of science is metric me

Easier interactions around measurements when communicating with nearly the entire rest of the world for starters. Also, pretty much all of science is metric measurement these days, so there's that. We could also do away with the confusion of using two entirely different measurement systems here as we currently do. Milk often comes in gallon jugs but soda in 1 and 2 liter bottles for one example.