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 685.8 knots into feet per second we have to multiply 685.8 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
685.8 kt → V(ft/s)
Solve the above proportion to obtain the velocity V in feet per second:
V(ft/s) = 685.8 kt × 1.6878098570997 ft/s
V(ft/s) = 1157.499999999 ft/s
The final result is:
685.8 kt → 1157.499999999 ft/s
We conclude that 685.8 knots is equivalent to 1157.499999999 feet per second:
685.8 knots = 1157.499999999 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 0.0008639308855299 × 685.8 knots.
Another way is saying that 685.8 knots is equal to 1 ÷ 0.0008639308855299 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 eighty-five point eight knots is approximately one thousand one hundred fifty-seven point five feet per second:
685.8 kt ≅ 1157.5 ft/s
An alternative is also that one foot per second is approximately zero point zero zero one times six hundred eighty-five point eight 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) |
---|---|
686.8 knots | 1159.188 feet per second |
687.8 knots | 1160.876 feet per second |
688.8 knots | 1162.563 feet per second |
689.8 knots | 1164.251 feet per second |
690.8 knots | 1165.939 feet per second |
691.8 knots | 1167.627 feet per second |
692.8 knots | 1169.315 feet per second |
693.8 knots | 1171.002 feet per second |
694.8 knots | 1172.69 feet per second |
695.8 knots | 1174.378 feet per second |