Convert from hectometer to stride [great]

Unit Definition (hectometer)
A hectometre (American spelling: hectometer, symbol: hm) is a measurement of distance equal to 100 metres. This measure is rarely used and is included mostly for completeness, since usage of the SI prefix hecto is no longer recommended.

Unit Definition (stride [great])
Distance between consecutive prints of the same foot in a track, measured from the same point on each foot.