1987 Ed.]
Weights and Measures
[CAP. 68
19
FIRST SCHEDULE
DEFINITIONS OF UNITS OF MEASUREMENT
PART I
Measurement of Length
[s. 6(2).]
(a) Metric Units
1 kilometre = 1 000 metres
1 metre = the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second
1 decimetre = 0.1 metre
1 centimetre = 0.01 metre
1 millimetre = 0.001 metre
(b) Imperial Units
1 mile = 1 760 yards
1 furlong = 220 yards
1 chain = 22 yards
1 yard = 0.914 4 metre exactly
1 foot = 1/3 yard
1 inch = 1/36 yard
(c) Chinese Units
1 chek = 0.371 475 metre
1 tsun = 0.1 chek
1 fan = 0.1 tsun
PART II
Measurement of Area
(a) Metric Units
1 hectare = 100 ares
1 are = 100 square metres
1 square metre = an area equal to that of a square each side of which measures one metre
1 square decimetre = 0.01 square metre
1 square centimetre = 0.01 square decimetre
1 square millimetre = 0.01 square centimetre
(b) Imperial Units
1 square mile = 640 acres
1 acre = 4 840 square yards
1 rood = 1 210 square yards
1 square yard = an area equal to that of a square each side of which measures one yard
1 square foot = 1/9 square yard
1 square inch = 1/144 square foot
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