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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 81.5 feet per second into knots we have to multiply 81.5 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

81.5 ft/s → V(kt)

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

V(kt) = 81.5 ft/s × 0.59248380129641 kt

V(kt) = 48.287429805657 kt

The final result is:

81.5 ft/s → 48.287429805657 kt

We conclude that 81.5 feet per second is equivalent to 48.287429805657 knots:

81.5 feet per second = 48.287429805657 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.020709323399997 × 81.5 feet per second.

Another way is saying that 81.5 feet per second is equal to 1 ÷ 0.020709323399997 knots.

Approximate result

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

81.5 ft/s ≅ 48.287 kt

An alternative is also that one knot is approximately zero point zero two one times eighty-one 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

feet per second (ft/s) knots (kt)
82.5 feet per second 48.88 knots
83.5 feet per second 49.472 knots
84.5 feet per second 50.065 knots
85.5 feet per second 50.657 knots
86.5 feet per second 51.25 knots
87.5 feet per second 51.842 knots
88.5 feet per second 52.435 knots
89.5 feet per second 53.027 knots
90.5 feet per second 53.62 knots
91.5 feet per second 54.212 knots