How many meters are in a kilometre

According to your question there are 1/1000 km in a meter and 1000 meters in a km.
Also for future reference you can follow the table given below-
Always the first is km
Second is ha.m ( hectameter)
Third is da.m ( dacameter)
Fourth is m ( meter)
Fifth is dm ( decimeter)
Sixth is cm ( centimetre)
Seventh is mm ( millimetre)
Remember when you are converting smaller unit ( lower) to bigger unit ( upper) you need to divide and while converting a bigger unit to a smaller unit you need to divide.
The sequence can be easily remembered by a line:
King
Henery
Died
Mother
Didn't
Cried
Much
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