A392
Ord. No. 54/87
(b) Imperial Units
1
square
mile
1 acre
1 rood
1 square yard
WEIGHTS AND MEASURES
640 acres
= 4 840 square yards
= 1 210 square yards
= an area equal to that of a square each side of which
measures one yard
1 square foot
=
9
square yard
1 square inch
1
144
square foot
WEIGHTS AND MEASURES
(b) Imperial Units
1 gallon
quart
1 pint
I gill
1 fluid ounce
= 4.546 09 cubic decimetres
2
1
=
-gallon
quart
pint
=
20
pint
(a) Metric Units
1 cubic metre
-
1 cubic decimetre
1 cubic centimetre
1 litre
1 decilitre
PART III
Measurement of Volume
a volume equal to that of a cube each edge of which measures one metre
0.001 cubic metre
= 0.001 cubic decimetre
= a volume equal to that of a cubic decimetre
= 0.1 litre
1 centilitre
=
0.01 litre
1 millilitre
(b) Imperial Units
= 0.001 litre
-
a volume equal to that of a cube each edge of which measures one yard
1 cubic yard
1
1 cubic foot
=
cubic yard
27
1
1 cubic inch
=
cubic foot
1 728
(a) Metric Units
1 hectolitre
PART IV
Measurement of Capacity
=
100 litres
1 litre
1 decilitre
= a volume equal to that of a cubic decimetre
= 0.1 litre
1 centilitre
=
0.01 litre
1 millilitre
=
0.001 litre
Ord. No. 54/87
A393
(a) Metric Units
1 tonne
1 kilogram
1 gram
PART V
Measurement of Mass or Weight
=
· 1 000 kilograms
= a unit of mass equal to the international prototype of
the kilogram kept by the International Bureau of Weights and Measures
0.001 kilogram
1 metric carat
1 milligram
(b) Imperial Units
1 ton
=
5
gram
0.001 gram
P
2 240 pounds
1 hundredweight
-
112 pounds
1 quarter
28 pounds
1 stone
14 pounds
1 pound
=
0.453 592, 37 kilogram exactly
1 ounce
=
pound
16
1 dram
pound
256
1
1 grain
pound
7 000
12
1 ounce troy
175
pound
(c) Chinese Units
1 picul (tam)
= 100 catties
1 catty (kan)
0.604 789 82 kilogram
1
1 tael (leung)
catty
16
1 mace (tsin)
catty
160
1
1 candareen (fan)
catty
1 600