Distance divided by time.
Millimeter per Seconds to Millimeter per Hours Converter — mm/s to mm/h
Convert Millimeter per Seconds (mm/s) to Millimeter per Hours (mm/h) using the exact conversion factor (1 millimeter per seconds = 3,600 millimeter per hours). See the formula, worked examples, and conversion table.
Millimeter per Seconds to Millimeter 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 / 2.77777778e-7.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millimeter per Seconds to Millimeter per Hours
Millimeter per Seconds and Millimeter 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
millimeter per hours = millimeter per seconds × 3600
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 millimeter per hours equals 2.777778e-7 base units, so dividing one by the other gives the direct millimeter per seconds-to-millimeter per hours factor of 3600.
Simple example
1 mm/s × 3600 = 3,600 mm/h
1 millimeter per seconds = 3,600 millimeter per hours.
Real-world example
10 mm/s × 3600 = 36,000 mm/h
10 millimeter per seconds = 36,000 millimeter per hours.
Conversion table
| Millimeter per Seconds (mm/s) | Millimeter per Hours (mm/h) |
|---|---|
| 1 mm/s | 3,600 mm/h |
| 5 mm/s | 18,000 mm/h |
| 10 mm/s | 36,000 mm/h |
| 25 mm/s | 90,000 mm/h |
| 50 mm/s | 180,000 mm/h |
| 100 mm/s | 360,000 mm/h |
Reverse conversion: Millimeter per Hours to Millimeter per Seconds
1 mm/h × 0.0002777777778 = 0.0002777778 mm/s
1 millimeter per hours = 0.0002777778 millimeter per seconds.
millimeter per seconds = millimeter per hours × 0.000277777777778
For a page dedicated to this direction, see Millimeter per Hours to Millimeter per Seconds.
Understanding the Millimeter per Seconds (mm/s)
Distance divided by time.
Understanding the Millimeter per Hours (mm/h)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millimeter per hours are in 1 millimeter per seconds?
1 millimeter per seconds equals 3,600 millimeter per hours, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter per seconds to millimeter per hours?
Multiply the millimeter per seconds value by 3600. The converter above does this instantly to whatever precision you set.
How do I convert millimeter per hours back to millimeter per seconds?
Use the reverse factor: 1 millimeter per hours equals 0.0002777778 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 millimeter per hours?
Millimeter per Hours (mm/h) is a unit of speed.
Is the millimeter per seconds to millimeter per hours conversion exact?
Yes. Both millimeter per seconds and millimeter per hours are defined by fixed standards rather than physical artifacts, so the factor of 3600 used above is exact to as many digits as you choose to display.