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APPENDIX
CONVERSION FACTORS
 
 
LENGTH
      1 inch = 2.54 centimetres
      1 foot = 30.48 centimetres
      1 yard = 91.44 centimetres
      1 mile = 1.61 kilometres
      1 nautical mile (U.K.) = 1853.18 metres
      1 nautical mile (international) M 1,852 metres
 
 
AREA
      1 square foot = 0.093 square metre
      1 square yard = 0.836 square metre
      1 acre = 0.405 hectare
VOLUME
      1 cubic foot = 0.023 cubic metre
 
CAPACITY
      1 gallon (Imperial) = 4.555 litres
      1 seer (80 tolas) = 0.937 litre
 
 
WEIGHT
      1 tola = 11.66 grams
      1 chhatak = 58.32 grams
      1 seer = 933.10 grams
      1 maund = 37.32 kilograms
      1 palam -= 34.99 grams
      1 seer (24 tolas) = 279.93 grams
      1 viss = 1.40 kilograms
      1 candy = 223.94 kilograms
      1 ounce = 28.35 grams
      1 pound = 453.59 grams
      1 hundred weight = 50.80 kilograms
      1 ton = 1016.05 kilograms
 
 
TEMPARATURE
      To Fahrenheit = 9/5 (To centigrade)+32
 
 
METRIC WEIGHTS AND MEASURES
 
LENGTH
      10 millimetres = 1 centimetre
      100 centimetres = 1 metre
      1000 metres = 1 kilometre
      1852 metres = 1 nautical mile (International)
 
 
AREA
      100 square millimetres = 1 square centimetre
      10,000 square centimetres = 1 square metre or centiare
      100 square metres = 1 are
      100 ares = 1 hectare
      100 hectares or 1,000,000 square metres = 1 square kilometre
 
 
VOLUME
       1,000,000 cubic centimetres = 1 cubic metre
 
 
CAPACITY
       1000 millilitres = 1 litre
       1000 litres = 1 kilolitre
 
 
WEIGHTS
       1000 milligrams = 1 gram
       1000 grams = 1 kilogram
       100 kilogram = 1 quintal
       100 kilograms = 1 tonne
       200 milligrams = 1 carat
 
 
ABBREBIATINS FOR METRIC UNITS
 
(1) DECIMALMULTIPLES AND SUB-MULTIPLES
 
Prefix
Value in terms of Unit
Abbreviation
Kilo                      
1000
k
Centi                     
1.01 (10-2)
c
Milli                       
0.001 (10-3)
m
Micro                   
0.000001(10-6)
u
 
(2) WEIGHTS
 
Denomination
Value
Abbreviation
Tonne                     
1000 kg
t
Quintal                    
100 kg
q
Kilogram                 
1 kg
kg
Gram                     
1 gm
g
Milligram                
1 mg
mg
Carat                     
200 mg
c
 
 
(3) CAPACITY
 
Denomination
Value
Abbreviation
kilolitre                    
1000 l
kl
litre                         
1 l
l
millilitre                    
1 ml
ml
 
 
(4) VOLUME
 
Denomination
Value
Abbreviation
cubic centimetre       
cm3
cm3
cubic millimetre      
mm3
mm3
 
(5) LENGTH
 
Denomination
Value
Abbreviation
kilometre                   
1000m
km
metre                       
1 m
m
centimetre                
1 cm
cm
millimetre                 
1 mm
mm
micron                     
1/1000mm or 10. 2mm
um
 
(6) AREA
 
Denomination
Value
Abbreviation
square kilometres       
1,000,000m2
km2
square metre              
1 m2
m2
square centimetre       
1 cm2
cm2
square millimetre     
mm2
mm2
 
 
(7) LAND MEASURE
 
Denomination
Value
Abbreviation
acre                     
100 m2
a
hectare                    
100 a
ha
centiare                   
m2
ca
 

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