Knots to Feet per Second Converter
Convert knots to feet per second using the formula kn × 1.687808 = ft/s. The calculator below shows higher precision results. The reference table is rounded for readability.
Formula and Step-by-Step
kn × 1.687808 = ft/s
Step-by-step: 1 kn to ft/s
- Start with 1 kn
- Multiply by 1.687808: 1 × 1.687808 = 1.69
- Result: 1 kn = 1.69 ft/s
Conversion Table
Common knots to feet per second values. The table and calculator both use the same conversion formula shown above.
| Knots (kn) | Feet per Second (ft/s) |
|---|---|
| 1 kn | 1.69 ft/s |
| 2 kn | 3.38 ft/s |
| 5 kn | 8.44 ft/s |
| 10 kn | 16.88 ft/s |
| 25 kn | 42.2 ft/s |
| 50 kn | 84.39 ft/s |
| 100 kn | 168.78 ft/s |
| 250 kn | 421.95 ft/s |
| 500 kn | 843.9 ft/s |
| 1,000 kn | 1,687.81 ft/s |
What Are Knots and Feet per Second?
What is a Knot?
A knot is a unit of speed equal to one nautical mile per hour (approximately 1.151 mph). It is used in maritime navigation and aviation.
What is a Foot per Second?
Feet per second (ft/s) is an imperial unit of speed used in ballistics, engineering, and some US-based applications.
Why convert knots to feet per second?
People convert knots to feet per second when working across different measurement systems.
Frequently Asked Questions
1 knot equals 1.69 feet per second.
The formula is: kn × 1.687808 = ft/s. See the kn to ft/s formula page for step-by-step worked examples.
Use the feet per second to knots converter. 1 ft/s = 0.5925 kn.
Yes. The conversion uses the formula kn × 1.687808 = ft/s. The conversion factor is defined by international standards. Displayed values are rounded for readability. Table values are rounded for quick reference.
Apply the formula kn × 1.687808 = ft/s. For quick estimates, round the factor to a simpler number.