Distance divided by time.
Kilometer per Seconds to Nautical mile per Hours Converter — km/s to nmi/h
Convert Kilometer per Seconds (km/s) to Nautical mile per Hours (nmi/h) using the exact conversion factor (1 kilometer per seconds = 1,943.844492 nautical mile per hours). See the formula, worked examples, and conversion table.
Kilometer per Seconds to Nautical mile per Hours converter
Converter
Speed Converter
Convert road, aviation, marine, lab, and scientific speed units.
Context values
Some unit families need one extra value for a physically accurate result.
Distance divided by time.
Result = input x 1000 / 0.5144444444.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilometer per Seconds to Nautical mile per Hours
Kilometer per Seconds and Nautical mile per Hours both describe speed, and the conversion matters whenever a maritime or aviation speed (knots) needs to be compared against a road speed (mph). Both are distance divided by time units.
Formula
nautical mile per hours = kilometer per seconds × 1943.84449244
This factor comes from each unit's defined relationship to the category's base unit: 1 kilometer per seconds equals 1000 base units, and 1 nautical mile per hours equals 0.514444444444 base units, so dividing one by the other gives the direct kilometer per seconds-to-nautical mile per hours factor of 1943.84449244.
Simple example
1 km/s × 1943.844492 = 1,943.844492 nmi/h
1 kilometer per seconds = 1,943.844492 nautical mile per hours.
Real-world example
10 km/s × 1943.844492 = 19,438.44492 nmi/h
10 kilometer per seconds = 19,438.44492 nautical mile per hours.
Conversion table
| Kilometer per Seconds (km/s) | Nautical mile per Hours (nmi/h) |
|---|---|
| 1 km/s | 1,943.844492 nmi/h |
| 5 km/s | 9,719.222462 nmi/h |
| 10 km/s | 19,438.44492 nmi/h |
| 25 km/s | 48,596.11231 nmi/h |
| 50 km/s | 97,192.22462 nmi/h |
| 100 km/s | 194,384.4492 nmi/h |
Reverse conversion: Nautical mile per Hours to Kilometer per Seconds
1 nmi/h × 0.0005144444444 = 0.0005144444 km/s
1 nautical mile per hours = 0.0005144444 kilometer per seconds.
kilometer per seconds = nautical mile per hours × 0.000514444444444
For a page dedicated to this direction, see Nautical mile per Hours to Kilometer per Seconds.
Understanding the Kilometer per Seconds (km/s)
Distance divided by time.
Understanding the Nautical mile per Hours (nmi/h)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nautical mile per hours are in 1 kilometer per seconds?
1 kilometer per seconds equals 1,943.844492 nautical mile per hours, using the exact defined conversion factor rather than an estimate.
How do I convert kilometer per seconds to nautical mile per hours?
Multiply the kilometer per seconds value by 1943.844492. The converter above does this instantly to whatever precision you set.
How do I convert nautical mile per hours back to kilometer per seconds?
Use the reverse factor: 1 nautical mile per hours equals 0.0005144444 kilometer per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilometer per seconds?
Kilometer per Seconds (km/s) is a unit of speed.
What is a nautical mile per hours?
Nautical mile per Hours (nmi/h) is a unit of speed.
Is the kilometer per seconds to nautical mile per hours conversion exact?
Yes. Both kilometer per seconds and nautical mile per hours are defined by fixed standards rather than physical artifacts, so the factor of 1943.844492 used above is exact to as many digits as you choose to display.