from ipyleaflet import *

m = Map(center=(43.0327, 6.0232), zoom=9, basemap=basemaps.Hydda.Full)
m

measure = MeasureControl(
    position='bottomleft', 
    active_color = 'orange', 
    primary_length_unit = 'kilometers'
)
m.add_control(measure)

measure.completed_color = 'red'

measure.add_length_unit('yards', 1.09361, 4)
measure.secondary_length_unit = 'yards'

measure.add_area_unit('sqyards', 1.19599, 4)
measure.secondary_area_unit = 'sqyards'