With this information, you can calculate the quantity of square kilometers 690 hectares is equal to.
¿What is the inverse calculation between 1 square kilometer and 690 hectares?
Performing the inverse calculation of the relationship between units, we obtain that 1 square kilometer is 0.14492754 times 690 hectares.
Which is the same to say that 690 hectares is 6.9 square kilometers.
Six hundred ninety hectares equals to six square kilometers. *Approximation
A square kilometer is zero times six hundred ninety hectares. *Approximation