Unit Converter
Conversion formula
The conversion factor from miles per hour to knots is 0.8689762419014, which means that 1 mile per hour is equal to 0.8689762419014 knots:
1 mph = 0.8689762419014 kt
To convert 420 miles per hour into knots we have to multiply 420 by the conversion factor in order to get the velocity amount from miles per hour to knots. We can also form a simple proportion to calculate the result:
1 mph → 0.8689762419014 kt
420 mph → V(kt)
Solve the above proportion to obtain the velocity V in knots:
V(kt) = 420 mph × 0.8689762419014 kt
V(kt) = 364.97002159859 kt
The final result is:
420 mph → 364.97002159859 kt
We conclude that 420 miles per hour is equivalent to 364.97002159859 knots:
420 miles per hour = 364.97002159859 knots
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0027399510667204 × 420 miles per hour.
Another way is saying that 420 miles per hour is equal to 1 ÷ 0.0027399510667204 knots.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty miles per hour is approximately three hundred sixty-four point nine seven knots:
420 mph ≅ 364.97 kt
An alternative is also that one knot is approximately zero point zero zero three times four hundred twenty miles per hour.
Conversion table
miles per hour to knots chart
For quick reference purposes, below is the conversion table you can use to convert from miles per hour to knots
miles per hour (mph) | knots (kt) |
---|---|
421 miles per hour | 365.839 knots |
422 miles per hour | 366.708 knots |
423 miles per hour | 367.577 knots |
424 miles per hour | 368.446 knots |
425 miles per hour | 369.315 knots |
426 miles per hour | 370.184 knots |
427 miles per hour | 371.053 knots |
428 miles per hour | 371.922 knots |
429 miles per hour | 372.791 knots |
430 miles per hour | 373.66 knots |