STANDARDS IN FOCUS...LEARNING THE METRIC SYSTEM - USING THE UNITS OF VOLUME

STANDARDS IN FOCUS…LEARNING THE METRIC SYSTEM – USING THE UNITS OF VOLUME

Mar 26, 2017 News

This week we will take another look at the Metric System which is a measurement system using Standard International (SI) Units. It is simple to learn and easy to use because of its decimal nature. The Guyana National Bureau of Standards (GNBS) would like all of Guyana to adopt and use this system of measurement.
Let’s look at the metric units used for measuring Liquids also referred to as measurement by Volume. Volume is referred to the space an object occupies and it is measured in cubic metres (m3). The volume of a container is generally understood to be the capacity of the container, that is, the amount of fluid (gas or liquid) that the container could hold.
Therefore, the Metric unit for measuring Volume is the cubic meter (m3) but the Litre which is a unit of volume denoted as capitol “L” is used especially for measuring liquids. The general rule for writing metric symbols is to use lower case letters, However there is an exception in this case.
Another commonly used unit is the millilitre (mL) which is used for measuring smaller amounts of liquid.
Here are some examples:
1 Litre (L) of water at 40C weighs 1 kilogram.
Litre (L) – The Litre is used for measuring intermediate and large amounts of liquids, such as fuel at the filling stations, juices, water, and cooking oil., One litre is equivalent to one and three quarters of a pint. 4.546 Litres are equivalent to 1 gallon.
Millilitres (mL) – The millilitre is used for measuring very small amounts of liquids. For example contents of medicines. 1000 millilitres is equal to one litre.
In Guyana soft drinks are sold in 250 mL, 500 mL or ½ litre, 1 litre and 2 litre packages.
There has been significant progress in the implementation of this unit of measurement in Guyana. Wholesalers of liquid commodities have been measuring, prepackaging and labelling the said commodities in litres and millilitres with the exception of a few who still label their products in imperial units.
Further, the GNBS has managed to have all fuel stations throughout the country convert their dispensing meters from imperial to metric, and as such, fuel is sold in Litres and millilitres.
Wholesalers and retailers of all liquid commodities, especially drinking water, and liquidized petroleum gas now need to go a step further and label their products totally in metric, excluding the imperial conversions. Advertisements for these commodities also need to be done in the same manner.
CONSUMERS DO NOT BUY RICE, PEAS AND OTHER SOLID GRAINS BY LITRES. THESE COMMODITIES MUST BE WEIGHED AND SOLD BY MASS BECAUSE THEY ARE SOLID.

For further information, please contact the GNBS on telephone numbers: 219-0069, 219-0065, 219-0062.

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