A392
Ord. No. 54/87
(b) Imperial Units
I square mile
1 acre
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 rood
1 square yard
1 square foot
1
9
square yard
1 square inch
144
square foot
(a) Metric Units
1 cubic metre
-
PART III
Measurement of Volume
a volume equal to that of a cube each edge of which
measures one metre
1
→
WEIGHTS AND MEASURES
(b) Imperial Units
4.546 09 cubic decimetres
1 gallon
1 quart
1 pint
1 gill
=
-
2
1 fluid ounce
(a) Metric Units
tonne
1
gallon 4
quart
=
pint
1
pint
20
PART V
Measurement of Mass or Weight
=
1 000 kilograms
Ord. No. 54/87
A393
1 kilogram
1 gram
= 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 cubic decimetre
=
0.001 cubic metre
1 cubic centimetre
==
0.001 cubic decimetre
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
(b) Imperial Units
= a volume equal to that of a cube each edge of which
measures one yard
1 cubic yard
1 cubic foot
cubic yard
27
1
1 cubic inch
cubic foot
1 728
PART IV
Measurement of Capacity
1 metric carat
1 milligram
(b) Imperial Units
1 ton
1 hundredweight
1 quarter
1 stone
1 pound
1 ounce
1
gram
5
= 0.001 gram
=
=
=
2 240 pounds
112 pounds
28 pounds
= 14 pounds
=
0.453 592 37 kilogram exactly
1
pound
16
1
1 dram
=
pound
256
1
1 grain
pound
7000
12
1 ounce troy
175
pound
(c) Chinese Units
(a) Metric Units
1 hectolitre
= 100 litres
1 litre
=
a volume equal to that of a cubic decimetre
1 decilitre
= 0.1 litre
1 centilitre
=
0.01 litre
1 millilitre
0.001 litre
1 picul (tam)
=
100 catties
1 catty (kan)
= 0.604 789 82 kilogram
=
1 tael (leung)
catty
16
1
I mace (tsin)
catty
160
1
1 candareen (fan)
catty
1 600
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