The metric measurement
is a system of measuring using the liter
, the gram
, and the meter
as basic units.
is used to measure mass
Notice that as shown in the figure below that the weight of a dollar bill is about 1 gram.
A person weighing 170 pounds in customary measurement, weighs 77110 grams or 77.11 kilograms in the metric system.
is used to measure capacity
For instance, 1 liter of coke measures about 33.81 ounces in customary measurement.
Notice also that as shown in the figure above, 1 liter is equal to 4 cups in the custom measurement system.
is used to measure length
For instance, a person whose height is 1 meter is equivalent 3.2808 feet or about 39.5 inches in customary measurement.
Notice also that 1 meter is the average width of a door.
Expanding the metric system with prefixes
In the metric system, other units are named by using prefixes such as kilo, hecto, deka, deci, centi, and milli etc...
1 kilo = one thousand and the symbol we use is k
For example, 1 kilometer = 1000 meters
6 kilometers = 6000 meters
0.5 kilometer = 500 meters
1 hecto = one hundred and the symbol we use is h
1 hectogram = 100 grams
5 hectograms = 500 grams
10 hectograms = 1000 grams
1 deka = ten and the symbol we use is da
1 dekameter = 10 meters
0.5 dekameter = 5 meters
2 dekameters = 20 meters
1 deci = one-tenth and the unit is d
1 deciliter = 0.1 liter
10 deciliters = 1 liter
20 deciliters = 2 liters
1 centi = one-hundredth and the unit is c
1 centimeter = 0.01 meter
10 centimeters = 0.1 meter
70 centimeters = 0.7 meter
1 milli = one-thousandth and the unit is m
1 millimeter = 0.001 meter
1000 millimeters = 1 meter
3000 millimeters = 3 meters
In the United States, both the metric system and the customary measurement are used.
However, people are more familiar with the customary measurement in the USA.
In the United States, both the metric system and the customary measurement are used. However, people are more familiar with the customary measurement in the USA. Check this map to see which countries are not officially using the metric system.
Test your knowledge of metric measurement with the quiz below:
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