Distance divided by time.
Millimeter per Seconds to Nautical mile per Hours Converter — mm/s to nmi/h
Convert Millimeter per Seconds (mm/s) to Nautical mile per Hours (nmi/h) using the exact conversion factor (1 millimeter per seconds = 0.0019438445 nautical mile per hours). See the formula, worked examples, and conversion table.
Millimeter 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 0.001 / 0.5144444444.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millimeter per Seconds to Nautical mile per Hours
Millimeter 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 = millimeter per seconds × 0.00194384449244
This factor comes from each unit's defined relationship to the category's base unit: 1 millimeter per seconds equals 0.001 base units, and 1 nautical mile per hours equals 0.514444444444 base units, so dividing one by the other gives the direct millimeter per seconds-to-nautical mile per hours factor of 0.00194384449244.
Simple example
1 mm/s × 0.001943844492 = 0.0019438445 nmi/h
1 millimeter per seconds = 0.0019438445 nautical mile per hours.
Real-world example
10 mm/s × 0.001943844492 = 0.0194384449 nmi/h
10 millimeter per seconds = 0.0194384449 nautical mile per hours.
Conversion table
| Millimeter per Seconds (mm/s) | Nautical mile per Hours (nmi/h) |
|---|---|
| 1 mm/s | 0.0019438445 nmi/h |
| 5 mm/s | 0.0097192225 nmi/h |
| 10 mm/s | 0.0194384449 nmi/h |
| 25 mm/s | 0.0485961123 nmi/h |
| 50 mm/s | 0.0971922246 nmi/h |
| 100 mm/s | 0.1943844492 nmi/h |
Reverse conversion: Nautical mile per Hours to Millimeter per Seconds
0.0019438445 nmi/h × 514.4444444 = 1.000000004 mm/s
0.0019438445 nautical mile per hours = 1.000000004 millimeter per seconds.
millimeter per seconds = nautical mile per hours × 514.444444444
For a page dedicated to this direction, see Nautical mile per Hours to Millimeter per Seconds.
Understanding the Millimeter per Seconds (mm/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 millimeter per seconds?
1 millimeter per seconds equals 0.0019438445 nautical mile per hours, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter per seconds to nautical mile per hours?
Multiply the millimeter per seconds value by 0.001943844492. The converter above does this instantly to whatever precision you set.
How do I convert nautical mile per hours back to millimeter per seconds?
Use the reverse factor: 1 nautical mile per hours equals 514.4444444 millimeter per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a millimeter per seconds?
Millimeter per Seconds (mm/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 millimeter per seconds to nautical mile per hours conversion exact?
Yes. Both millimeter per seconds and nautical mile per hours are defined by fixed standards rather than physical artifacts, so the factor of 0.001943844492 used above is exact to as many digits as you choose to display.