With this information, you can calculate the quantity of knots 138 miles per hour is equal to.

¿What is the inverse calculation between 1 knot and 138 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.0083389815 times 138 miles per hour.

Which is the same to say that 138 miles per hour is 119.91872 knots.

One hundred thirty-eight miles per hour equals to one hundred nineteen knots. *Approximation

A knot is zero times one hundred thirty-eight miles per hour. *Approximation