Metric Conversions
AREA
1 acre = 4046.8564224m2
1 rood = 1011.715m2
1 perch = 258.2929m2
1 acre = 4 roods or 160 perches
1 hectare = 10 000m2
1 sq kilometre = 100 hectares
LENGTH
1 inch = 25.4 millimetres
1 link = 0.201168 metres
1 foot = 0.3048 metres
1 mile = 1.609344 kilometres
1 kilometre = 1000 metres