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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 680.6 feet per second into knots we have to multiply 680.6 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

680.6 ft/s → V(kt)

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

V(kt) = 680.6 ft/s × 0.59248380129641 kt

V(kt) = 403.24447516234 kt

The final result is:

680.6 ft/s → 403.24447516234 kt

We conclude that 680.6 feet per second is equivalent to 403.24447516234 knots:

680.6 feet per second = 403.24447516234 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0024798851852773 × 680.6 feet per second.

Another way is saying that 680.6 feet per second is equal to 1 ÷ 0.0024798851852773 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty point six feet per second is approximately four hundred three point two four four knots:

680.6 ft/s ≅ 403.244 kt

An alternative is also that one knot is approximately zero point zero zero two times six hundred eighty point six 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)
681.6 feet per second 403.837 knots
682.6 feet per second 404.429 knots
683.6 feet per second 405.022 knots
684.6 feet per second 405.614 knots
685.6 feet per second 406.207 knots
686.6 feet per second 406.799 knots
687.6 feet per second 407.392 knots
688.6 feet per second 407.984 knots
689.6 feet per second 408.577 knots
690.6 feet per second 409.169 knots