## Unit Converter

## Convert 138 Feet/Second to Knots

To calculate 138 Feet/Second to the corresponding value in Knots, multiply the quantity in Feet/Second by 0.59248380129641 (conversion factor). In this case we should multiply 138 Feet/Second by 0.59248380129641 to get the equivalent result in Knots:

138 Feet/Second x 0.59248380129641 = 81.762764578904 Knots

**138 Feet/Second is equivalent to 81.762764578904 Knots.**

## How to convert from Feet/Second to Knots

The conversion factor from Feet/Second to Knots is 0.59248380129641. To find out how many Feet/Second in Knots, multiply by the conversion factor or use the Velocity converter above. One hundred thirty-eight Feet/Second is equivalent to eighty-one point seven six three Knots.

## Definition of Foot/Second

The foot per second (plural feet per second) is a unit of both speed (scalar) and velocity (vector quantity, which includes direction). It expresses the distance in feet (ft) traveled or displaced, divided by the time in seconds (s, or sec). The corresponding unit in the International System of Units (SI) is the metre per second. Abbreviations include ft/s, ft/sec and fps, and the rarely used scientific notation ft s−1.

## Definition of Knot

The knot is a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.151 mph. The ISO Standard symbol for the knot is kn. The same symbol is preferred by the IEEE; kt is also common. The knot is a non-SI unit that is "accepted for use with the SI". Worldwide, the knot is used in meteorology, and in maritime and air navigation—for example, a vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour. Etymologically, the term derives from counting the number of knots in the line that unspooled from the reel of a chip log in a specific time.

## Using the Feet/Second to Knots converter you can get answers to questions like the following:

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