With this information, you can calculate the quantity of square kilometers 40 square meters is equal to.
¿What is the inverse calculation between 1 square kilometer and 40 square meters?
Performing the inverse calculation of the relationship between units, we obtain that 1 square kilometer is 25000 times 40 square meters.
Which is the same to say that 40 square meters is 4e-05 square kilometers.
Forty square meters equals to four square kilometers. *Approximation
A square kilometer is twenty-five thousand times forty square meters. *Approximation