With this information, you can calculate the quantity of kilometers 21 leagues is equal to.
¿What is the inverse calculation between 1 kilometer and 21 leagues?
Performing the inverse calculation of the relationship between units, we obtain that 1 kilometer is 0.0098630348 times 21 leagues.
Which is the same to say that 21 leagues is 101.38867 kilometers.
Twenty-one leagues equals to one hundred one kilometers. *Approximation
A kilometer is zero times twenty-one leagues. *Approximation