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 21.7 miles per hour into knots we have to multiply 21.7 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
21.7 mph → V(kt)
Solve the above proportion to obtain the velocity V in knots:
V(kt) = 21.7 mph × 0.8689762419014 kt
V(kt) = 18.85678444926 kt
The final result is:
21.7 mph → 18.85678444926 kt
We conclude that 21.7 miles per hour is equivalent to 18.85678444926 knots:
21.7 miles per hour = 18.85678444926 knots
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.053031310968781 × 21.7 miles per hour.
Another way is saying that 21.7 miles per hour is equal to 1 ÷ 0.053031310968781 knots.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one point seven miles per hour is approximately eighteen point eight five seven knots:
21.7 mph ≅ 18.857 kt
An alternative is also that one knot is approximately zero point zero five three times twenty-one point seven 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) |
---|---|
22.7 miles per hour | 19.726 knots |
23.7 miles per hour | 20.595 knots |
24.7 miles per hour | 21.464 knots |
25.7 miles per hour | 22.333 knots |
26.7 miles per hour | 23.202 knots |
27.7 miles per hour | 24.071 knots |
28.7 miles per hour | 24.94 knots |
29.7 miles per hour | 25.809 knots |
30.7 miles per hour | 26.678 knots |
31.7 miles per hour | 27.547 knots |