Cap. 68A 《度量衡令》Weights and Measures Order

生效中

版本日期: 2021-10-21

Cap. 68

Cap. 69

Weights and Measures Order

(Cap. 68, section 7)

(Enacting provision omitted—E.R. 5 of 2021)

[1 June 1990]

(Format changes—E.R. 5 of 2021)

1. Citation

This Order may be cited as the Weights and Measures Order.

(E.R. 5 of 2021)

2. Declaration of equivalents of units of measurement

The units of measurement listed in any column in the Schedule are declared to be the equivalents of any unit of measurement set out opposite thereto in any other column.

Schedule — Weights and Measures Conversion Table

[para. 2]

1.	Measurement of Length (see note 2)
	(a)	Metric Units and Symbols				Imperial Units	Chinese Units
		1 kilometre	km	=	1 000 metres	= 0.621 371 mile	= 2 691.97 cheks
		1 metre	m			= 3.280 84 feet	= 2.691 97 cheks
		1 centimetre	cm	=	0.01 metre	= 0.393 701 inch	= 2.691 97 fans
		1 millimetre	mm	=	0.001 metre	= 0.039 370 1 inch	= 0.269 197 fan

	(b)	Imperial Units and Symbols				Metric Units	Chinese Units
		1 mile		=	1 760 yards	= 1.609 344 kilometres exactly	= 4 332.31 cheks
		1 chain		=	22 yards	= 20.116 8 metres exactly	= 54.153 8 cheks
		1 yard	yd	=	1/22 chain	= 0.914 4 metre exactly	= 2.461 54 cheks
		1 foot	ft	=	1/3 yard	= 30.48 centimetres exactly	= 8.205 13 tsuns
		1 inch	in	=	1/36 yard	= 25.4 millimetres exactly	= 6.837 61 fans

	(c)	Chinese Units				Metric Units	Imperial Units
		1 chek				= 0.371 475 metre	= 1.218 75 feet
		1 tsun		=	0.1 chek	= 3.714 75 centimetres	= 1.462 50 inches
		1 fan		=	0.1 tsun	= 3.714 75 millimetres	= 0.146 250 inch

2.	Measurement of Area (see note 3)
	(a)	Metric Units and Symbols				Imperial Units
		1 hectare	ha	=	100 ares	= 2.471 05 acres
		1 are	a	=	100 square metres	= 119.599 square yards
		1 square metre	m²			= 10.763 9 square feet
		1 square decimetre	dm²	=	0.01 square metre	= 15.500 0 square inches
		1 square centimetre	cm²	=	0.01 square decimetre	= 0.155 000 square inch
		1 square millimetre	mm²	=	0.01 square centimetre	= 0.001 550 00 square inch

	(b)	Imperial Units and Symbols				Metric Units
		1 square mile		=	640 acres	= 258.999 hectares
		1 acre		=	4 840 square yards	= 40.468 6 ares
		1 square yard	yd²			= 0.836 127 square metre
		1 square foot	ft²	=	1/9 square yard	= 0.092 903 0 square metre
		1 square inch	in²	=	1/144 square foot	= 6.451 6 square centimetres exactly

3.	Measurement of Volume (see note 4)
	(a)	Metric Units and Symbols				Imperial Units
		1 cubic metre	m³			= 1.307 95 cubic yards
		1 cubic decimetre	dm³	=	0.001 cubic metre	= 0.035 314 7 cubic foot
		1 cubic centimetre	cm³	=	0.001 cubic decimetre	= 0.061 023 7 cubic inch
		1 litre	L	=	1 cubic decimetre	= 61.023 7 cubic inches

	(b)	Imperial Units and Symbols				Metric Units
		1 cubic yard	yd³			= 0.764 555 cubic metre
		1 cubic foot	ft³	=	1/27 cubic yard	= 28.316 8 cubic decimetres or litres
		1 cubic inch	in³	=	1/172 8 cubic foot	= 16.387 1 cubic centimetres

4.	Measurement of Capacity
	(a)	Metric Units and Symbols				Imperial Units	US Units
		1 cubic metre	m³	=	1 000 litres	= 219.969 gallons	= 264.172 gallons
		1 hectolitre	hL	=	100 litres	= 21.996 9 gallons	= 26.417 2 gallons
		1 litre	L			= 35.195 1 fluid ounces	= 33.814 0 fluid ounces
						= 1.759 75 pints	= 2.113 38 liquid pints
							= 1.816 17 dry pints
		1 millilitre	mL	=	0.001 litre	= 0.035 195 1 fluid ounce	= 0.033 814 0 fluid ounce

	(b)	Imperial Units and Symbols				Metric Units	US Units
		1 gallon	gal	=	160 fluid ounces	= 4.546 09 litres	= 1.200 95 gallons
		1 quart	qt	=	1/4 gallon	= 1.136 52 litres	= 1.200 95 liquid quarts
							= 1.032 06 dry quarts
		1 pint	pt	=	1/2 quart	= 0.568 261 litre	= 1.200 95 liquid pints
							= 1.032 06 dry pints


		1 gill		=	1/4 pint	= 142.065 millilitres	= 1.200 95 gills
		1 fluid ounce	fl oz	=	1/20 pint	= 28.413 1 millilitres	= 0.960 760 fluid ounce

	(c)	US Units				Metric Units	Imperial Units
		1 gallon		=	128 fluid ounces	= 3.785 41 litres	= 0.832 674 gallon
		1 liquid quart		=	1/4 gallon	= 0.946 353 litre	= 0.832 674 quart
		1 liquid pint		=	1/2 liquid quart	= 0.473 176 litre	= 0.832 674 pint
		1 gill		=	1/4 liquid pint	= 0.118 294 litre	= 0.832 674 gill
		1 fluid ounce		=	1/16 liquid pint	= 29.573 5 millilitres	= 1.040 84 fluid ounces
		1 dry quart				= 1.101 22 litres	= 0.968 939 quart
		1 dry pint		=	1/2 dry quart	= 0.550 610 litre	= 0.968 939 pint

5.	Measurement of Mass or Weight (see note 5)
	(a)	Metric Units and Symbols				Imperial Units	Chinese Units	US Units
		1 tonne	t	=	1 000 kilograms	= 0.984 207 ton	= 16.534 7 piculs	= 1.102 31 short tons
		1 kilogram	kg			= 2.204 62 pounds	= 1.653 47 catties	= 2.204 62 pounds
		1 gram	g	=	0.001 kilogram	= 0.035 274 0 ounce	= 0.026 455 5 tael	= 0.035 274 0 ounce
		1 metric carat	CM	=	0.2 gram	= 3.086 47 grains	= 0.052 911 0 mace	= 3.086 47 grains
		1 gram	g			= 0.032 150 7 ounce troy	= 2.671 73 candareen troy	= 0.032 150 7 ounce troy

	(b)	Imperial Units and Symbols				Metric Units	Chinese Units	US Units
		1 ton		=	2 240 pounds	= 1.016 05 tonnes	= 16.800 0 piculs	= 1.12 short tons exactly
		1 hundredweight	cwt	=	112 pounds	= 50.802 3 kilograms	= 84.000 0 catties	= 1.12 short hundredweights exactly
		1 quarter	qr	=	28 pounds	= 12.700 6 kilograms	= 21.000 0 catties	= 1 quarter
		1 stone		=	14 pounds	= 6.350 29 kilograms	= 10.500 0 catties	= 1 stone
		1 pound	lb	=	16 ounces	= 0.453 592 37 kilograms exactly	= 0.750 000 catty	= 1 pound
				=	256 drams
				=	7 000 grains
		1 ounce	oz	=	1/16 pound	= 28.349 5 grams	= 0.750 000 tael	= 1 ounce
		1 dram	dr	=	1/256 pound	= 1.771 85 grams	= 0.468 750 mace	= 1 dram
		1 grain	gr	=	1/700 0 pound	= 0.064 798 9 gram	= 0.171 429 candareen	= 1 grain
		1 ounce troy	oz tr	=	12/175 pound	= 31.103 5 grams	= 0.831 000 tael troy	= 1 ounce troy

	(c)	Chinese Units				Metric Units	Imperial Units	US Units
		1 picul		=	100 catties	= 60.479 0 kilograms	= 133.333 pounds	= 133.333 pounds
		1 catty				= 0.604 789 82 kilogram	= 21.333 3 ounces	= 21.333 3 ounces
		1 tael		=	1/16 catty	= 37.799 4 grams	= 1.333 33 ounces	= 1.333 33 ounces
		1 mace		=	1/160 catty	= 3.779 94 grams	= 2.133 33 drams	= 2.133 33 drams
		1 candareen		=	1/1 600 catty	= 377.994 milligrams	= 5.833 33 grains	= 5.833 33 grains
		1 tael troy				= 37.429 grams	= 1.203 37 ounces troy	= 1.203 37 ounces troy
		1 mace troy		=	1/10 tael troy	= 3 742.9 milligrams	= 0.120 337 ounce troy	= 0.120 337 ounce troy
		1 candareen troy		=	1/10 mace troy	= 374.29 milligrams	= 0.012 033 7 ounce troy	= 0.012 033 7 ounce troy



	(d)	US Units				Metric Units	Imperial Units
		1 short ton		=	2 000 pounds	= 0.907 185 tonne	= 0.892 857 ton
		1 short hundredweight		=	0.05 short ton	= 45.359 2 kilograms	= 0.892 857 hundredweight


Notes
1.	“US” means United States.
2.	In item 1, US units of length are the same as those in the Imperial system.
3.	In item 2, US units of area are the same as those in the Imperial system.
4.	In item 3, US units of volume are the same as those in the Imperial system.
5.	In item 5, except short ton and short hundredweight, US units of mass or weight are the same as those in the Imperial system.