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Unit Converter

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 669 knots into feet per second we have to multiply 669 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

669 kt → V(ft/s)

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

V(ft/s) = 669 kt × 1.6878098570997 ft/s

V(ft/s) = 1129.1447943997 ft/s

The final result is:

669 kt → 1129.1447943997 ft/s

We conclude that 669 knots is equivalent to 1129.1447943997 feet per second:

669 knots = 1129.1447943997 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 0.00088562601090644 × 669 knots.

Another way is saying that 669 knots is equal to 1 ÷ 0.00088562601090644 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 sixty-nine knots is approximately one thousand one hundred twenty-nine point one four five feet per second:

669 kt ≅ 1129.145 ft/s

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

knots (kt) feet per second (ft/s)
670 knots 1130.833 feet per second
671 knots 1132.52 feet per second
672 knots 1134.208 feet per second
673 knots 1135.896 feet per second
674 knots 1137.584 feet per second
675 knots 1139.272 feet per second
676 knots 1140.959 feet per second
677 knots 1142.647 feet per second
678 knots 1144.335 feet per second
679 knots 1146.023 feet per second