in the united states feet & anywhere else meters
They are used to measure quantities that are not basic. Length, for example, is a basic unit, but area and volume are not so derived units will be used to measure area and volume.
Light year, kilometre, metre, centimetre, millimetre, micrometre, nanometre. And for the old fashioned, light year, mile, furlong, chain, yard, foot, inch, thou. Both systems contain many other units that are used less often.
Ancient Greek is the basic unit used to measure liquid. Ancient Greek can change location and epoch.
The SI unit used to measure length or distance is the meter (m).
Angstroms
light years
meter
Metre
Kilometers are a unit of length, used to measure distance.
Yes, a meter is a unit of length in the metric system which is commonly used to measure distance or size. It is equivalent to 100 centimeters or approximately 3.28 feet.
grams
Meters or kilometers, depending on the distance.