Foot/Second to Knot (ft/s to kn)
Result
0.5924838013 Knot
Formula
kn = ft/s × 0.5924838013
1 ft/s = 0.5924838013 kn, and 1 kn = 1.687809857 ft/s.
Speed units are a length divided by a time: 1 km/h = 1/3.6 m/s, 1 mph = 0.44704 m/s exactly, and 1 knot = 1 nautical mile per hour = 1,852/3,600 m/s.
Worked examples
- 1 ft/s × 0.5924838013 = 0.5924838 kn
- 10 ft/s × 0.5924838013 = 5.924838 kn
- 100 ft/s × 0.5924838013 = 59.24838 kn
Common mistakes
- A knot is a nautical mile per hour, so 1 kn = 1.852 km/h and 1.15078 mph — not 1 mph.
- Weather services quote wind in km/h, m/s, mph or knots depending on country; check the unit before comparing forecasts.
Foot/Second to Knot table
| Foot/Second (ft/s) | Knot (kn) |
|---|---|
| 1 | 0.5924838 |
| 2 | 1.1849676 |
| 5 | 2.962419 |
| 10 | 5.924838 |
| 20 | 11.849676 |
| 50 | 29.62419 |
| 100 | 59.24838 |
| 1,000 | 592.4838 |
The units
- Foot/Second (ft/s)
- 1 Foot/Second = 0.3048 Meter/Second.
- Knot (kn)
- Knot: one nautical mile (1,852 m) per hour, used in aviation and shipping.
Sources for these factors
- Guide for the Use of the International System of Units (SP 811), Appendix B: conversion factors — NIST
- Handbook 44 (2024), Appendix C: General Tables of Units of Measurement — NIST
Last reviewed against these sources. An automated check recomputes every factor from its definition on each build. How we check accuracy