Weight units allow us to quantify weight.
Units of weight to know:
One gram is equivalent to milligrams.
One kilogram is equivalent to grams.
One ton is equivalent to kilograms.
Weight units allow us to quantify weight.
Units of weight to know:
One gram is equivalent to milligrams.
One kilogram is equivalent to grams.
One ton is equivalent to kilograms.
\( 8.6kg=?gr \)
How many grams are in kilograms?
If there are grams in one kilogram, we must multiply the number of kilograms by to obtain the equivalent number of grams.
That is, kilograms equals grams.
How many kilograms are grams?
We have seen that to convert kilograms to grams we multiply by .
To do the reverse operation and convert a number given in grams to kilograms we divide by .
kilogram = grams
grams = kilograms
Therefore,
0.2 kilograms
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The letter T indicates a metric tonne,
One tonne is equivalent to one thousand kilograms,
Therefore, in 7.8 tons there are
1000*7.8 = 7800 kg
In one kilometer there are 1000 meters,
therefore one meter is one-thousandth of a kilometer.
First, let's simplify the fraction:
This leaves us with:
Now, let's perform the calculation, giving us:
Note that we need the answer in tons:
2.2
\( 7kg=?gr \)
\( 7.8T=?kg \)
\( 3.21kg=?gr \)
What units of weight are there?
Just as all units of measurement have multiples, weight units also have multiples or submultiples as equivalences between them, for example in the case of weight units the most common are:
Kilograms, hectograms, decagrams, grams, decigram, centigram, milligram.
There are also the units of pound, ounce, tons that are still equivalences between a unit of reference.
How is the unit conversion done?
In order to see how a unit conversion is done, an equivalence is needed and we will make an example to better understand how to do it.
Example
What is the equivalent of ounces in grams?
Solution
To be able to make the conversion we need to know the equivalence of ounce in grams
grams
So if one ounce is equal to grams, then to know how many grams are in 16 ounces we must do a multiplication.
So we can say that ounces is equal to grams.
Result
grams.
How much does 1 pound equal to 1 kg?
One pound is equal to kilograms, that is, one pound is also equal to grams.
\( x_m=?km \)
\( \frac{55}{5}\times200\operatorname{kg}=?T \)
\( \frac{7}{21}\times100gr=?kg \)