MBS - April 2008, ST/ESA/STAT/SER.Q/424
Monthly Bulletin of Statistics Online
Symbols and units
Symbols employed
The following symbols have been used throughout MBS online:
.
not applicable.
...
not available.
-
magnitude zero.
0 or 0.0
magnitude not zero, but less than half of unit employed.
Decimal figures are always preceded by a period (.).
Rounding of figures
When necessary each figure has been rounded off to the nearest final digit.
For this reason there may be in some series an apparent slight discrepancy
between the sum of the constituent items and the total as shown.
Units employed
Metric units are used in all tables in which the data are measured in weight,
volume, length or area. The principal British and United States equivalent units
are given below.
Conversion coefficents and factors
Metric units
British and U.S. equivalents
British and U.S. units
Metric equivalents
Length
1 centimetre (cm)
0.393 701 inch
1 inch (in)
2.540 000 centimetres
1 metre (m)
3.280 840 feet
1 foot (ft)
30.480 000 centimetres
1.093 613 yards
1 yard (yd)
0.914 400 metre
1 kilometre (km)
0.621 371 mile
1 statute mile (mi)
(1 760 yards)
(1609.344 metres)
1.609 344 kilometre
Area
1 square centimetre (cm2 )
0.155 000 square inch
1 square inch (sq in)
6.451 600 square centimetres
1 square metre (m2 )
10.763 910 square feet
1 square foot (sq ft)
929.0304 square centimetres
1.195 990 square yards
1 square yard (sq yd)
0.836 127 square metre
1 hectare (ha)
2.471 054 acres
1 acre (acre) (4 840 square yards)
0.404 686 hectare
1 square kilometre (km2 )
0.386 102 square mile
1 square statute mile (sq mi)(640 acres)
2.589 988 square kilometre
Volume
1 cubic centimetre (cm3 )
0.061 024 cubic inch
1 cubic inch (cu in)
16.387 064 cubic centimetres
1 cubic metre (m3 )
35.314 667 cubic feet
1 cubic foot (cu ft)
28 316.847 centimetres
1.307 951 cubic yards
1 cubic yard (cu yd)
0.764 555 cubic metre
Capacity
1 litre (l)
0.879 877 Imp. quart
1 Imperial quart (qt)
1.136 523 litres
1.056 688 U.S. liquid quarts
1 U.S. liquid quart
0.946 353 litre
0.908 083 U.S. dry quart
1 U.S. dry quart
1.010 221 litres
1 hectolitre (hl)
21.996 916 Imp. gallons
1 Imperial gallon (gal)
4.546 092 litres
26.417 200 U.S. gallons
1 U.S. gallon (gal)
3.785 412 litres
2.749 614 Imp. bushels
1 Imperial bushel (bu)
36.368 735 litres
2.837 760 U.S. bushels
1 U.S. bushel (bu)
35.239 067 litres
Weight or mass
1 gram (g)
0.032 151 troy ounce
1 troy ounce (t oz)
31.103 477 grams
1 kilogram (kg)
35.273 962 avdp. ounces
1 avoirdupois ounce (avdp oz)
28.349 523 grams
2.204 623 avdp. pounds
1 avoirdupois pound (avdp lb)
453.592 370 grams
1 cental (100 lb)
45.359 237 kilograms
1 hundredweight (112 lb)
50.802 345 kilograms
1 ton (ton)
1.102 311 short tons
1 short ton (2 000 lb)
0.907 185 metric ton
0.984 207 long ton
1 long ton (2 240 lb)
1.016 047 metric tons
Railway and
air transport
1 passenger-kilometre
0.621 371 passenger-mile
1 passenger-mile
1.609 344 passenger-kilometre
1 pound-mile
0.729 987 kilogram-kilometre
1 ton-kilometre
0.684 944 short ton-mile
1 short ton-mile
1.459 972 kilometre-ton
0.611 558 long ton-mile
1 long ton-mile
1.635 169 kilometre-ton
Ship tonnage
1 cubic metre(m3 )
0.353 147 register ton
1 register ton (100 cu ft)
2.831 685 cubic metre