Distance divided by time.
Meter per Hours to Millimeter per Seconds Converter — m/h to mm/s
Convert Meter per Hours (m/h) to Millimeter per Seconds (mm/s) using the exact conversion factor (1 meter per hours = 0.2777777778 millimeter per seconds). See the formula, worked examples, and conversion table.
Meter per Hours to Millimeter 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 0.0002777777778 / 0.001.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Meter per Hours to Millimeter per Seconds
Meter per Hours and Millimeter 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
millimeter per seconds = meter per hours × 0.277777777778
This factor comes from each unit's defined relationship to the category's base unit: 1 meter per hours equals 0.000277777777778 base units, and 1 millimeter per seconds equals 0.001 base units, so dividing one by the other gives the direct meter per hours-to-millimeter per seconds factor of 0.277777777778.
Simple example
1 m/h × 0.2777777778 = 0.2777777778 mm/s
1 meter per hours = 0.2777777778 millimeter per seconds.
Real-world example
10 m/h × 0.2777777778 = 2.777777778 mm/s
10 meter per hours = 2.777777778 millimeter per seconds.
Conversion table
| Meter per Hours (m/h) | Millimeter per Seconds (mm/s) |
|---|---|
| 1 m/h | 0.2777777778 mm/s |
| 5 m/h | 1.388888889 mm/s |
| 10 m/h | 2.777777778 mm/s |
| 25 m/h | 6.944444444 mm/s |
| 50 m/h | 13.88888889 mm/s |
| 100 m/h | 27.77777778 mm/s |
Reverse conversion: Millimeter per Seconds to Meter per Hours
0.2777777778 mm/s × 3.6 = 1 m/h
0.2777777778 millimeter per seconds = 1 meter per hours.
meter per hours = millimeter per seconds × 3.6
For a page dedicated to this direction, see Millimeter per Seconds to Meter per Hours.
Understanding the Meter per Hours (m/h)
Distance divided by time.
Understanding the Millimeter per Seconds (mm/s)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millimeter per seconds are in 1 meter per hours?
1 meter per hours equals 0.2777777778 millimeter per seconds, using the exact defined conversion factor rather than an estimate.
How do I convert meter per hours to millimeter per seconds?
Multiply the meter per hours value by 0.2777777778. The converter above does this instantly to whatever precision you set.
How do I convert millimeter per seconds back to meter per hours?
Use the reverse factor: 1 millimeter per seconds equals 3.6 meter per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a meter per hours?
Meter per Hours (m/h) is a unit of speed.
What is a millimeter per seconds?
Millimeter per Seconds (mm/s) is a unit of speed.
Is the meter per hours to millimeter per seconds conversion exact?
Yes. Both meter per hours and millimeter per seconds are defined by fixed standards rather than physical artifacts, so the factor of 0.2777777778 used above is exact to as many digits as you choose to display.