Distance divided by time.
Mile per Seconds to Nautical mile per Seconds Converter — mi/s to nmi/s
Convert Mile per Seconds (mi/s) to Nautical mile per Seconds (nmi/s) using the exact conversion factor (1 mile per seconds = 0.8689762419 nautical mile per seconds). See the formula, worked examples, and conversion table.
Mile 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 1609.344 / 1852.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Mile per Seconds to Nautical mile per Seconds
Mile 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 = mile per seconds × 0.868976241901
This factor comes from each unit's defined relationship to the category's base unit: 1 mile per seconds equals 1609.344 base units, and 1 nautical mile per seconds equals 1852 base units, so dividing one by the other gives the direct mile per seconds-to-nautical mile per seconds factor of 0.868976241901.
Simple example
1 mi/s × 0.8689762419 = 0.8689762419 nmi/s
1 mile per seconds = 0.8689762419 nautical mile per seconds.
Real-world example
10 mi/s × 0.8689762419 = 8.689762419 nmi/s
10 mile per seconds = 8.689762419 nautical mile per seconds.
Conversion table
| Mile per Seconds (mi/s) | Nautical mile per Seconds (nmi/s) |
|---|---|
| 1 mi/s | 0.8689762419 nmi/s |
| 5 mi/s | 4.34488121 nmi/s |
| 10 mi/s | 8.689762419 nmi/s |
| 25 mi/s | 21.72440605 nmi/s |
| 50 mi/s | 43.4488121 nmi/s |
| 100 mi/s | 86.89762419 nmi/s |
Reverse conversion: Nautical mile per Seconds to Mile per Seconds
0.8689762419 nmi/s × 1.150779448 = 1 mi/s
0.8689762419 nautical mile per seconds = 1 mile per seconds.
mile per seconds = nautical mile per seconds × 1.15077944802
For a page dedicated to this direction, see Nautical mile per Seconds to Mile per Seconds.
Understanding the Mile per Seconds (mi/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 mile per seconds?
1 mile per seconds equals 0.8689762419 nautical mile per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert mile per seconds to nautical mile per seconds?
Multiply the mile per seconds value by 0.8689762419. The converter above does this instantly to whatever precision you set.
How do I convert nautical mile per seconds back to mile per seconds?
Use the reverse factor: 1 nautical mile per seconds equals 1.150779448 mile per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a mile per seconds?
Mile per Seconds (mi/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 mile per seconds to nautical mile per seconds conversion exact?
Yes. Both mile per seconds and nautical mile per seconds are defined by fixed standards rather than physical artifacts, so the factor of 0.8689762419 used above is exact to as many digits as you choose to display.