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knot to foot per second

Live knot (kn) to foot per second (ft/s) converter. Plus a 10-value reference table and FAQs.

From kn

knot

To ft/s

foot per second

1 kn = 1.6878ft/s

Conversion table

Ten sample values from knot to foot per second. Use the converter above for arbitrary values.

knot (kn)	→	foot per second (ft/s)
0.001 kn	→	0.001688 ft/s
0.01 kn	→	0.016878 ft/s
0.1 kn	→	0.168781 ft/s
0.5 kn	→	0.843905 ft/s
1 kn	→	1.68781 ft/s
2 kn	→	3.37562 ft/s
5 kn	→	8.439049 ft/s
10 kn	→	16.878099 ft/s
100 kn	→	168.780986 ft/s
1,000 kn	→	1,687.809857 ft/s

About the knot

1 nautical mile per hour. Marine and aviation.

About the foot per second

Ballistics and engineering in the US.

How knot to foot per second conversion works

Both units belong to Speed. Unitbox first expresses the input in the category reference unit (m/s), then expresses that same quantity in foot per second.

The right unit depends on the convention used by your industry, country, instrument, or source document.

Reference value1 kn = 1.68780986 ft/s

CalculationBrowser-side, using Unitbox's shared unit data

Review noteFor safety-critical work, verify against the governing standard or instrument manual.

Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.