Convert from stride [great] to hectometer

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

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.