ENG-1992 — Page 462

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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