Conversion formula

The conversion factor from knots to feet per second is 1.6878098570997, which means that 1 knot is equal to 1.6878098570997 feet per second:

1 kt = 1.6878098570997 ft/s

To convert 1581 knots into feet per second we have to multiply 1581 by the conversion factor in order to get the velocity amount from knots to feet per second. We can also form a simple proportion to calculate the result:

1 kt → 1.6878098570997 ft/s

1581 kt → V_(ft/s)

Solve the above proportion to obtain the velocity V in feet per second:

V_(ft/s) = 1581 kt × 1.6878098570997 ft/s

V_(ft/s) = 2668.4273840747 ft/s

The final result is:

1581 kt → 2668.4273840747 ft/s

We conclude that 1581 knots is equivalent to 2668.4273840747 feet per second:

1581 knots = 2668.4273840747 feet per second

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot per second is equal to 0.00037475256248982 × 1581 knots.

Another way is saying that 1581 knots is equal to 1 ÷ 0.00037475256248982 feet per second.

Approximate result

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

1581 kt ≅ 2668.427 ft/s

An alternative is also that one foot per second is approximately zero times one thousand five hundred eighty-one knots.

Conversion table

knots to feet per second chart

For quick reference purposes, below is the conversion table you can use to convert from knots to feet per second