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 691 knots into feet per second we have to multiply 691 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

691 kt → V_(ft/s)

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

V_(ft/s) = 691 kt × 1.6878098570997 ft/s

V_(ft/s) = 1166.2766112559 ft/s

The final result is:

691 kt → 1166.2766112559 ft/s

We conclude that 691 knots is equivalent to 1166.2766112559 feet per second:

691 knots = 1166.2766112559 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 0.00085742952430739 × 691 knots.

Another way is saying that 691 knots is equal to 1 ÷ 0.00085742952430739 feet per second.

Approximate result

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

691 kt ≅ 1166.277 ft/s

An alternative is also that one foot per second is approximately zero point zero zero one times six hundred ninety-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