Distance divided by time.
Nautical mile per Hours to Mile per Seconds Converter — nmi/h to mi/s
Convert Nautical mile per Hours (nmi/h) to Mile per Seconds (mi/s) using the exact conversion factor (1 nautical mile per hours = 0.000319661 mile per seconds). See the formula, worked examples, and conversion table.
Nautical mile per Hours to 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 0.5144444444 / 1609.344.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nautical mile per Hours to Mile per Seconds
Nautical mile per Hours and 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
mile per seconds = nautical mile per hours × 0.000319660957784
This factor comes from each unit's defined relationship to the category's base unit: 1 nautical mile per hours equals 0.514444444444 base units, and 1 mile per seconds equals 1609.344 base units, so dividing one by the other gives the direct nautical mile per hours-to-mile per seconds factor of 0.000319660957784.
Simple example
1 nmi/h × 0.0003196609578 = 0.000319661 mi/s
1 nautical mile per hours = 0.000319661 mile per seconds.
Real-world example
10 nmi/h × 0.0003196609578 = 0.0031966096 mi/s
10 nautical mile per hours = 0.0031966096 mile per seconds.
Conversion table
| Nautical mile per Hours (nmi/h) | Mile per Seconds (mi/s) |
|---|---|
| 1 nmi/h | 0.000319661 mi/s |
| 5 nmi/h | 0.0015983048 mi/s |
| 10 nmi/h | 0.0031966096 mi/s |
| 25 nmi/h | 0.0079915239 mi/s |
| 50 nmi/h | 0.0159830479 mi/s |
| 100 nmi/h | 0.0319660958 mi/s |
Reverse conversion: Mile per Seconds to Nautical mile per Hours
0.000319661 mi/s × 3128.314471 = 1.000000132 nmi/h
0.000319661 mile per seconds = 1.000000132 nautical mile per hours.
nautical mile per hours = mile per seconds × 3128.31447084
For a page dedicated to this direction, see Mile per Seconds to Nautical mile per Hours.
Understanding the Nautical mile per Hours (nmi/h)
Distance divided by time.
Understanding the Mile per Seconds (mi/s)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many mile per seconds are in 1 nautical mile per hours?
1 nautical mile per hours equals 0.000319661 mile per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert nautical mile per hours to mile per seconds?
Multiply the nautical mile per hours value by 0.0003196609578. The converter above does this instantly to whatever precision you set.
How do I convert mile per seconds back to nautical mile per hours?
Use the reverse factor: 1 mile per seconds equals 3,128.314471 nautical mile per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a nautical mile per hours?
Nautical mile per Hours (nmi/h) is a unit of speed.
What is a mile per seconds?
Mile per Seconds (mi/s) is a unit of speed.
Is the nautical mile per hours to mile per seconds conversion exact?
Yes. Both nautical mile per hours and mile per seconds are defined by fixed standards rather than physical artifacts, so the factor of 0.0003196609578 used above is exact to as many digits as you choose to display.