 |
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.)
|
=
1,853.18 metres
|
|
1
nautical mile (international)
|
=
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) |
= 4.55 litres |
|
1 seer (80 tolas) |
= 0.937 litre |
|
1 Madras measure |
= 1.77 litres |
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 maund (Madras) |
=
11.20 kilograms |
|
1 candy |
=
223.94 kilograms |
|
1 ounce |
=
28.35 grams |
|
1 pound |
=
453.59 grams |
|
1 hundredweight |
=
50.80 kilograms |
|
1 ton |
=
1016.05 kilograms |
TEMPERATURE
|
T° Fahrenheit |
= 9/5 (T° 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 sq.uare 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 kilograms |
=
1
quintal |
|
1000 kilograms |
= 1 tonne |
|
200 milligrams |
= 1 carat |
ABBREVIATIONS FOR METRIC UNITS
|
(1)Decimal Multiples and Submultiples |
|
Prefix |
Value in terms of Unit |
Abbreviation |
|
kilo |
1000 |
k |
|
centi |
0.01 (10-2) |
c |
|
milli |
0.001 (10-3) |
m |
|
micro |
0.000001 (10-6) |
μ |
|
|
Denomination |
Value |
Abbreviation |
|
(2) |
WEIGHTS |
|
|
|
|
tonne |
1000kg |
t |
|
|
quintal |
100 kg |
q |
|
|
kilogram |
1 kg |
kg |
|
|
gram |
1 g |
g |
|
|
milliigram |
1 mg |
mg |
|
|
carat |
200 mg |
c |
|
(3) |
CAPACITY |
|
|
|
|
kilolitre |
1000 l |
kl |
|
|
litre |
1 l |
1 |
|
|
millilitre |
1 ml |
ml |
|
(4) |
Volume |
|
|
|
|
cubic centimetre |
cm3 |
cm3 |
|
|
cubic millimetre |
mm3 |
mm3 |
|
(5) |
Length |
|
|
|
|
kilometre |
1000 m |
km |
|
|
metre |
1 m |
m |
|
|
centimetre |
1 cm |
cm |
|
|
millimetre |
1 mm |
mm |
|
|
micron |
1 /1000 mm or 10-2 mm |
μm |
|
(6) |
Area |
|
|
|
|
square kilometres |
1,000,000 m2 |
km2 |
|
|
square metre |
1 m2 |
m2 |
|
|
square centimetre |
1 cm2 |
cm2 |
|
|
square millimetre |
1 mm2 |
mm2 |
|
(7) |
Land Measure |
|
|
|
|
are |
100 m2 |
a |
|
|
hectare |
100 a |
ha |
|
|
centiare |
m2 |
ca |
|
