With this information, you can calculate the quantity of square kilometers 42 square meters is equal to.
¿What is the inverse calculation between 1 square kilometer and 42 square meters?
Performing the inverse calculation of the relationship between units, we obtain that 1 square kilometer is 23809.524 times 42 square meters.
Which is the same to say that 42 square meters is 4.2e-05 square kilometers.
Forty-two square meters equals to four square kilometers. *Approximation
A square kilometer is twenty-three thousand eight hundred nine times forty-two square meters. *Approximation