It's certain there is >$10B loss per annum on metric-imperial. Think about it: human error, conversion process losses, training materials, advertising materials

It's certain there is >$10B loss per annum on metric-imperial. Think about it: human error, conversion process losses, training materials, advertising materials, two physical versions of everything being produced, two physical versions in the supply chain... I for one plan to operate a metric shop in the US. Using imperial outside of supplier interface will be a formal warning. Will see how that goes...