Distance divided by time.
Millimeter per Seconds to Centimeter per Hours Converter — mm/s to cm/h
Convert Millimeter per Seconds (mm/s) to Centimeter per Hours (cm/h) using the exact conversion factor (1 millimeter per seconds = 360 centimeter per hours). See the formula, worked examples, and conversion table.
Millimeter per Seconds to Centimeter 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-6.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millimeter per Seconds to Centimeter per Hours
Millimeter per Seconds and Centimeter 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
centimeter per hours = millimeter per seconds × 360
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 centimeter per hours equals 0.00000277777777778 base units, so dividing one by the other gives the direct millimeter per seconds-to-centimeter per hours factor of 360.
Simple example
1 mm/s × 360 = 360 cm/h
1 millimeter per seconds = 360 centimeter per hours.
Real-world example
10 mm/s × 360 = 3,600 cm/h
10 millimeter per seconds = 3,600 centimeter per hours.
Conversion table
| Millimeter per Seconds (mm/s) | Centimeter per Hours (cm/h) |
|---|---|
| 1 mm/s | 360 cm/h |
| 5 mm/s | 1,800 cm/h |
| 10 mm/s | 3,600 cm/h |
| 25 mm/s | 9,000 cm/h |
| 50 mm/s | 18,000 cm/h |
| 100 mm/s | 36,000 cm/h |
Reverse conversion: Centimeter per Hours to Millimeter per Seconds
360 cm/h × 0.002777777778 = 1 mm/s
360 centimeter per hours = 1 millimeter per seconds.
millimeter per seconds = centimeter per hours × 0.00277777777778
For a page dedicated to this direction, see Centimeter per Hours to Millimeter per Seconds.
Understanding the Millimeter per Seconds (mm/s)
Distance divided by time.
Understanding the Centimeter per Hours (cm/h)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many centimeter per hours are in 1 millimeter per seconds?
1 millimeter per seconds equals 360 centimeter per hours, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter per seconds to centimeter per hours?
Multiply the millimeter per seconds value by 360. The converter above does this instantly to whatever precision you set.
How do I convert centimeter per hours back to millimeter per seconds?
Use the reverse factor: 1 centimeter per hours equals 0.0027777778 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 centimeter per hours?
Centimeter per Hours (cm/h) is a unit of speed.
Is the millimeter per seconds to centimeter per hours conversion exact?
Yes. Both millimeter per seconds and centimeter per hours are defined by fixed standards rather than physical artifacts, so the factor of 360 used above is exact to as many digits as you choose to display.