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 4991 knots into feet per second we have to multiply 4991 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

4991 kt → V_(ft/s)

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

V_(ft/s) = 4991 kt × 1.6878098570997 ft/s

V_(ft/s) = 8423.8589967848 ft/s

The final result is:

4991 kt → 8423.8589967848 ft/s

We conclude that 4991 knots is equivalent to 8423.8589967848 feet per second:

4991 knots = 8423.8589967848 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 0.00011871043904957 × 4991 knots.

Another way is saying that 4991 knots is equal to 1 ÷ 0.00011871043904957 feet per second.

Approximate result

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

4991 kt ≅ 8423.859 ft/s

An alternative is also that one foot per second is approximately zero times four thousand nine 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