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 216.5 feet per second into knots we have to multiply 216.5 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

216.5 ft/s → V_(kt)

Solve the above proportion to obtain the velocity V in knots:

V_(kt) = 216.5 ft/s × 0.59248380129641 kt

V_(kt) = 128.27274298067 kt

The final result is:

216.5 ft/s → 128.27274298067 kt

We conclude that 216.5 feet per second is equivalent to 128.27274298067 knots:

216.5 feet per second = 128.27274298067 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0077958884854491 × 216.5 feet per second.

Another way is saying that 216.5 feet per second is equal to 1 ÷ 0.0077958884854491 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two hundred sixteen point five feet per second is approximately one hundred twenty-eight point two seven three knots:

216.5 ft/s ≅ 128.273 kt

An alternative is also that one knot is approximately zero point zero zero eight times two hundred sixteen point five 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