With this information, you can calculate the quantity of knots 42 miles per hour is equal to.
¿What is the inverse calculation between 1 knot and 42 miles per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.027399511 times 42 miles per hour.
Which is the same to say that 42 miles per hour is 36.497002 knots.
Forty-two miles per hour equals to thirty-six knots. *Approximation
A knot is zero times forty-two miles per hour. *Approximation