Unit Converter
Conversion formula
The conversion factor from feet per second to knots is 0.59248380129641, which means that 1 foot per second is equal to 0.59248380129641 knots:
1 ft/s = 0.59248380129641 kt
To convert 642.4 feet per second into knots we have to multiply 642.4 by the conversion factor in order to get the velocity amount from feet per second to knots. We can also form a simple proportion to calculate the result:
1 ft/s → 0.59248380129641 kt
642.4 ft/s → V(kt)
Solve the above proportion to obtain the velocity V in knots:
V(kt) = 642.4 ft/s × 0.59248380129641 kt
V(kt) = 380.61159395281 kt
The final result is:
642.4 ft/s → 380.61159395281 kt
We conclude that 642.4 feet per second is equivalent to 380.61159395281 knots:
642.4 feet per second = 380.61159395281 knots
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.002627350337951 × 642.4 feet per second.
Another way is saying that 642.4 feet per second is equal to 1 ÷ 0.002627350337951 knots.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty-two point four feet per second is approximately three hundred eighty point six one two knots:
642.4 ft/s ≅ 380.612 kt
An alternative is also that one knot is approximately zero point zero zero three times six hundred forty-two point four feet per second.
Conversion table
feet per second to knots chart
For quick reference purposes, below is the conversion table you can use to convert from feet per second to knots
feet per second (ft/s) | knots (kt) |
---|---|
643.4 feet per second | 381.204 knots |
644.4 feet per second | 381.797 knots |
645.4 feet per second | 382.389 knots |
646.4 feet per second | 382.982 knots |
647.4 feet per second | 383.574 knots |
648.4 feet per second | 384.166 knots |
649.4 feet per second | 384.759 knots |
650.4 feet per second | 385.351 knots |
651.4 feet per second | 385.944 knots |
652.4 feet per second | 386.536 knots |