With this information, you can calculate the quantity of miles per hour 426 knots is equal to.

¿What is the inverse calculation between 1 mile per hour and 426 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.0020398503 times 426 knots.

Which is the same to say that 426 knots is 490.23204 miles per hour.

Four hundred twenty-six knots equals to four hundred ninety miles per hour. *Approximation

A mile per hour is zero times four hundred twenty-six knots. *Approximation