Distance divided by time.
Kilometer per Seconds to Nautical mile per Seconds Converter — km/s to nmi/s
Convert Kilometer per Seconds (km/s) to Nautical mile per Seconds (nmi/s) using the exact conversion factor (1 kilometer per seconds = 0.5399568035 nautical mile per seconds). See the formula, worked examples, and conversion table.
Kilometer per Seconds to Nautical mile per Seconds 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 / 1852.
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 Seconds
Kilometer per Seconds and Nautical mile per Seconds 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 seconds = kilometer per seconds × 0.539956803456
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 seconds equals 1852 base units, so dividing one by the other gives the direct kilometer per seconds-to-nautical mile per seconds factor of 0.539956803456.
Simple example
1 km/s × 0.5399568035 = 0.5399568035 nmi/s
1 kilometer per seconds = 0.5399568035 nautical mile per seconds.
Real-world example
10 km/s × 0.5399568035 = 5.399568035 nmi/s
10 kilometer per seconds = 5.399568035 nautical mile per seconds.
Conversion table
| Kilometer per Seconds (km/s) | Nautical mile per Seconds (nmi/s) |
|---|---|
| 1 km/s | 0.5399568035 nmi/s |
| 5 km/s | 2.699784017 nmi/s |
| 10 km/s | 5.399568035 nmi/s |
| 25 km/s | 13.49892009 nmi/s |
| 50 km/s | 26.99784017 nmi/s |
| 100 km/s | 53.99568035 nmi/s |
Reverse conversion: Nautical mile per Seconds to Kilometer per Seconds
0.5399568035 nmi/s × 1.852 = 1 km/s
0.5399568035 nautical mile per seconds = 1 kilometer per seconds.
kilometer per seconds = nautical mile per seconds × 1.852
For a page dedicated to this direction, see Nautical mile per Seconds to Kilometer per Seconds.
Understanding the Kilometer per Seconds (km/s)
Distance divided by time.
Understanding the Nautical mile per Seconds (nmi/s)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nautical mile per seconds are in 1 kilometer per seconds?
1 kilometer per seconds equals 0.5399568035 nautical mile per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert kilometer per seconds to nautical mile per seconds?
Multiply the kilometer per seconds value by 0.5399568035. The converter above does this instantly to whatever precision you set.
How do I convert nautical mile per seconds back to kilometer per seconds?
Use the reverse factor: 1 nautical mile per seconds equals 1.852 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 seconds?
Nautical mile per Seconds (nmi/s) is a unit of speed.
Is the kilometer per seconds to nautical mile per seconds conversion exact?
Yes. Both kilometer per seconds and nautical mile per seconds are defined by fixed standards rather than physical artifacts, so the factor of 0.5399568035 used above is exact to as many digits as you choose to display.