With this information, you can calculate the quantity of miles per hour 61 knots is equal to.
¿What is the inverse calculation between 1 mile per hour and 61 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.014245512 times 61 knots.
Which is the same to say that 61 knots is 70.197546 miles per hour.
Sixty-one knots equals to seventy miles per hour. *Approximation
A mile per hour is zero times sixty-one knots. *Approximation