45 knots in miles per hour
Result
The conversion result is: 45 knots is equivalent to 51.7850751610594 miles per hour.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 mile per hour is equal to 0.0193105831533477 times 45 knots.
It can also be expressed as: 45 knots is equal to 1 / 0.0193105831533477 miles per hour.
Approximation
An approximate numerical result would be: forty-five knots is about fifty-one point seven eight miles per hour, or alternatively, a mile per hour is about zero point zero two times forty-five knots.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.