i believe it had something to do with the revalutionary war
The US does not use the metric system.
The metric system in universal around the world whereas the customary system is only used in the US. For this reason scientists and mathmeticians all use the metric system because it creates a sort of universal language so there is no translating.
There isn't a separate US metric system, the metric system is international and the same everywhere. So one kilometre in the U.S.A. is one kilometre.
metric system is for commies
The unit of length, meters, belongs to both the US Customary System and the metric system.
The Metric System.
No
No
The US has not converted to the Metric System yet. We are still using the English Customary.
The unit of mass, the kilogram, is a part of both the US customary system and the metric system. In the US customary system, pounds are used for mass measurement, while the metric system uses kilograms.
The only unit that appears in both the modern SI (metric) system and the old fashioned system is the second.
Only the US uses the metric system. Hope it helped :D