Hectometers/hour to millimeters/second (hm/hr to mm/s) converter

You can enter a value in either the hectometers/hour (hm/hr) or millimeters/second (mm/s) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Speed units and easily switch Speed units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting hectometers/hour to millimeters/second to millimeters/second to hectometers/hour.

hectometers/hour (hm/hr)

 

millimeters/second (mm/s)

 
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1 hm/hr = 27.77777778 mm/s 1 mm/s = 0.036 hm/hr

Algebraic Steps / Dimensional Analysis Formula
hm/hr * 1 hm/s
3600 hm/hr		 * 100000 mm/s
1 hm/s		 = mm/s

Direct Conversion Formula
hm/hr * 27.77777778 mm/s
1 hm/hr		 = mm/s

If you would like to switch between Speed units, select from the tables below

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