Systems of Measurement

 

A system of measurement is a collection of measures and the rules relating them to each other.
There are two major systems of measurement: the Imperial System and the Metric System.

The Imperial System

Length
1 foot (ft) = 12 inches (in)
1 yard (yd) = 3 feet
1 mile (mi) = 5280 feet
1 mile = 1760 yards

Weight
1 pound (lb) = 16 ounces (oz)
1 stone = 14 pounds
1 ton = 2000 pounds

Volume
1 cup = 8 fluid ounces (fl oz)
1 pint = 2 cups
1 quart (qt) = 2 pints
1 gallon = 4 quarts

The Metric System
In the metric system conversions are made by multiplying or dividing by factors of 10.

Length
The standard unit of length is the metre.

1 millimetre = 0.001 metre
1 centimetre = 0..01 metre
1 decimetre = 0.1 metre
1 kilometre = 1000 metres

Weight
The standard unit of weight is the gram.

1 milligram = 0.001 gram
1 centigram = 0.01 gram
1 decigram = 0.1 gram
1 kilogram = 1000 grams

Volume
The standard unit of volume is the litre.

1 millilitre = 0.001 litre
1 centilitre = 0.01 litre
1 decilitre = 0.1 litre
1 kilolitre = 1000 litres

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