Speed
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert kilometre per second (km/s) to knot (kn). Enter a value for an instant result, or use the examples and reverse conversion below.
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a kilometre per second value to calculate knot with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| metre per secondfrom km/s | m/s | 1000 |
| centimetre per secondfrom km/s | cm/s | 100000 |
| foot per secondfrom km/s | ft/s | 3280.84 |
| kilometre per hourfrom km/s | km/h | 3600 |
| mile per hourfrom km/s | mph | 2236.94 |
| knotfrom km/s | kn | 1943.84 |
| kilometre per secondfrom km/s | km/s | 1 |
| speed of light in vacuumfrom km/s | c | 0.00000333564 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Kilometre Per Second (km/s) and knot (kn) are units of speed. Use this page to convert in either direction.
| Kilometre Per Second (km/s) | Knot (kn) |
|---|---|
| 1 km/s | 1943.84 kn |
| 5 km/s | 9719.22 kn |
| 10 km/s | 19438.4 kn |
| 100 km/s | 194384 kn |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
kn to km/s (knot to kilometre per second)