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 821.4 knots into feet per second we have to multiply 821.4 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

821.4 kt → V_(ft/s)

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

V_(ft/s) = 821.4 kt × 1.6878098570997 ft/s

V_(ft/s) = 1386.3670166217 ft/s

The final result is:

821.4 kt → 1386.3670166217 ft/s

We conclude that 821.4 knots is equivalent to 1386.3670166217 feet per second:

821.4 knots = 1386.3670166217 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 0.00072130971669882 × 821.4 knots.

Another way is saying that 821.4 knots is equal to 1 ÷ 0.00072130971669882 feet per second.

Approximate result

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

821.4 kt ≅ 1386.367 ft/s

An alternative is also that one foot per second is approximately zero point zero zero one times eight hundred twenty-one point four 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