APPENDICES
WEIGHTS AND MEASURES ORDER 1990
WEIGHTS AND MEASURES CONVERSION TABLE
1. Measurement of Length (see note 2)
(a)
Metric Units and Symbols
1 kilometre
(b)
(c)
1 metre
1 centimetre
1 millimetre
1 mile
1 chain
1 yard 1 foot 1 inch
1 chek
1 tsun 1 fan
km = 1000 metres
m
cm=0.01 metre mm=0.001 metre
Imperial Units and Symbols
= 1 760 yards
=22 yards yd = 1/22 chain
ft=1/3 yard in = 1/36 yard
Chinese Units
2. Measurement of Area (see note 3)
(a)
(b)
1 hectare
1 are
1 square metre
=0.1 chek =0.1 tsun
Metric Units and Symbols
1 square decimetre
square centimetre square millimetre
1 square mile
acre
square yard square foot square
inch
ha = 100 ares
a=100 square metres m2
dm2=0.01 square metre cm2=0.01 square decimetre mm2-0.01 square
centimetre
Imperial Units and Symbols
yd2
=640 acres
=4 840 square yards
ft2=1/9 square yard in2 = 1/144 square foot
Imperial Units
Chinese Units
=2691.97 cheks =2.691 97 cheks =2.691 97 fans =0.269 197 fan
=0.621 371 mile =3.280 84 feet =0.393 701 inch -0.039 370 1 inch
Metric Units
= 1.609 344 kilometres
exactly =20.116 8 metres exactly =0.914 4 metre exactly = 30.48 centimetres exactly =25.4 millimetres exactly
Metric Units
=0.371 475 metre =3.714 75 centimetres =3.714 75 millimetres
Imperial Units =2.471 05 acres =119.599 square yards = 10.763 9 square feet =15.500 0 square inches =0.155 000 square inch =0.001 550 00 square inch
Metric Units
=258.999 hectares =40.468 6 ares
=0.836 127 square metre -0.092 903 0 square metre =6.451 6 square
centimetres exactly
Chinese Units
=4 332.31 cheks
=54.153 8 cheks =2.461 54 cheks -8.205 13 tsuns -6.837 61 fans
Imperial Units
= 1.218 75 feet =1.462 50 inches =0.146 250 inch
3. Measurement of Volume (see note 4)
Metric Units and Symbols
(a)
1 cubic metre
1 cubic decimetre
(b)
1 cubic centimetre
1 litre
1 cubic yard
cubic foot
1 cubic inch
m
dm3 0.001 cubic metre cm3=0.001 cubic decimetre
L= 1 cubic decimetre
Imperial Units and Symbols
yd3
ft3=1/27 cubic yard
in3 = 1/172 8 cubic foot
Imperial Units
- 1.307 95 cubic yards -0.035 314 7 cubic foot
=0.061 023 7 cubic inch =61.023 7 cubic inches
Metric Units
=0.764 555 cubic metre
=28.316 8 cubic decimetres
or litres
= 16.387 1 cubic
centimetres
4. Measurement of Capacity
(a)
Metric Units and Symbols
1 cubic metre
m3 = 1 000 litres
1 hectolitre
hL
100 litres
1 litre
L
1 millilitre
mL=0.001 litre
Imperial Units =219.969 gallons =21.996 9 gallons =35.195 1 fluid ounces
= 1.759 75 pints
=0.035 195 1 fluid ounce
US Units =264.172 gallons =26.417 2 gallons - 33.814 0 fluid ounces =2.113 38 liquid pints = 1.816 17 dry pints -0.033 814 0 fluid ounce
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