Imperial Units
Weight
lb oz (pounds and ounces) 16oz = 1 lb
1 lb = 0.454 kg
Length
ft – in (feet and inches) 12in = 1ft
3 ft – 6in = 3ʹ – 6ʺ
yd (yard) 1 yard = 3 ft
chain (surveying measurement)
1 chain = 66 ft (length of a cricket wicket)
On section plans the length and breadth would be shown in links. A link being 1/100 of a chain = 7.92 inches
1 ft = 304.8mm
1 yard = 914mm
1 link = 201mm
Volume
Yards = cubic yards
1 cubic yard = 0.765 m³
Area (land)
A R P (acres, roods and perches)
1 acre = 4 roods
1 rood = 40 perches
1 acre = 4046.86 m²
Money
£ s d (pounds shillings and pence)
1 pound = 20 shillings
1 shilling = 12 pence