With this information, you can calculate the quantity of square kilometers 42 square feet is equal to.
¿What is the inverse calculation between 1 square kilometer and 42 square feet?
Performing the inverse calculation of the relationship between units, we obtain that 1 square kilometer is 256283.58 times 42 square feet.
Which is the same to say that 42 square feet is 3.9019277e-06 square kilometers.
Forty-two square feet equals to three square kilometers. *Approximation
A square kilometer is two hundred fifty-six thousand two hundred eighty-three times forty-two square feet. *Approximation