Convert Feet per second to knots
1 foot per second = 0.592484 knots · kn = ft/s ÷ 1.687809857
When you need this conversion
This conversion goes from feet per second, used in ballistics and US engineering, to knots, the navigation speed unit for aviation and sailing. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Feet per second to knots conversion table
| Feet per second (ft/s) | Knots (kn) |
|---|---|
| 1 ft/s | 0.592484 kn |
| 2 ft/s | 1.185 kn |
| 3 ft/s | 1.7775 kn |
| 5 ft/s | 2.9624 kn |
| 10 ft/s | 5.9248 kn |
| 15 ft/s | 8.8873 kn |
| 20 ft/s | 11.8497 kn |
| 25 ft/s | 14.8121 kn |
| 50 ft/s | 29.6242 kn |
| 75 ft/s | 44.4363 kn |
| 100 ft/s | 59.2484 kn |
| 250 ft/s | 148.12 kn |
| 500 ft/s | 296.24 kn |
| 1,000 ft/s | 592.48 kn |
The formula
kn = ft/s ÷ 1.687809857Because both units measure speed, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Knots to feet per second →Related speed conversions
- Kilometers per hour to knots
- Kilometers per hour to miles per hour
- Miles per hour to kilometers per hour
- Knots to kilometers per hour
- Meters per second to knots
- Miles per hour to knots
- Feet per second to meters per second
- Feet per second to kilometers per hour
- Feet per second to miles per hour
- Feet per second to mach
- Mach to knots
- Meters per second to kilometers per hour
Frequently asked questions
- How many knots are in a foot per second?
- There are 0.592484 knots in 1 foot per second. The formula is kn = ft/s ÷ 1.687809857.
- How do you convert feet per second to knots?
- Use the formula kn = ft/s ÷ 1.687809857. For example, 10 feet per second equals 5.9248 knots.
- Is the feet per second to knots conversion exact?
- Yes. Feet per second and knots are both units of speed, related by an exact defined factor. Displayed results are rounded for readability.
- What is ft/s short for?
- ft/s is the standard symbol for foot per second. kn is the symbol for knot.