Burma, Liberia, and the United States are the only ones who are using the imperial system, the imperial system is some weird 600 year old stuff where measurements were made by measuring a kings: foot (foot), inch (thumb width) and so on, this is pretey worthless because sizes of thumbs or feet differ.
The metric system made things way easier, people did not have measurements of bodyparts of their kings but changed every measurable thing in a system of 10ths, so its basically if you reach a ten or a hundred, or a thousand you have your next measuring unit.
10mm=1 cm, 100cm = 1m, 1000m = 1km
12 inches = 1 foot, 1 mile 5280 feet ...
Adding a zero is way easier then remembering some weird numbers, also its way easier to calculate with squares, its not only about measuring lenght by the way, its the same with liquids or weights
1kg = 1000g
1l = 1000 ml
1l water = 1 kg
Just try to convert every formula :)
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The metric unit is a system of measurement that is based on the decimal system. It includes units such as meters, grams, and liters for measuring length, weight, and volume, respectively. The metric system is used in most countries around the world.
The metric unit of what . -There is an entire metric system of all kinds of units .
Mass . . . kilogram
Length . . . meter
Time . . . second
Charge . . . Coulomb
All the other units are multiples or combinations of these.
A metric unit is a decimal unit of measurement of the metric system, based on meters and kilograms and seconds.
A metric unit of measure for volume, often liquids.
Meters in the metric system is equal to the unit of length.
The gram is a unit of mass in the metric system.
The metric standard unit of mass is the kilogram (Kg).