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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 128.9 feet per second into knots we have to multiply 128.9 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

128.9 ft/s → V(kt)

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

V(kt) = 128.9 ft/s × 0.59248380129641 kt

V(kt) = 76.371161987107 kt

The final result is:

128.9 ft/s → 76.371161987107 kt

We conclude that 128.9 feet per second is equivalent to 76.371161987107 knots:

128.9 feet per second = 76.371161987107 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.013093947688904 × 128.9 feet per second.

Another way is saying that 128.9 feet per second is equal to 1 ÷ 0.013093947688904 knots.

Approximate result

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

128.9 ft/s ≅ 76.371 kt

An alternative is also that one knot is approximately zero point zero one three times one hundred twenty-eight point nine 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)
129.9 feet per second 76.964 knots
130.9 feet per second 77.556 knots
131.9 feet per second 78.149 knots
132.9 feet per second 78.741 knots
133.9 feet per second 79.334 knots
134.9 feet per second 79.926 knots
135.9 feet per second 80.519 knots
136.9 feet per second 81.111 knots
137.9 feet per second 81.704 knots
138.9 feet per second 82.296 knots