KARACHI

CONVERSION FORMULA

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CONVERSION FORMULA

 How to convert from a variety of metric and imperial  units one to the other.

From

To

Multiply by

inches millimetres 25.4
millimetres inches 0.0394
inches centimetres 2.54
centimetres inches 0.3937
feet metres 0.3048
metres feet 3.281
yards metres 0.9144
metres yards 1.094
miles kilometres 1.609
kilometres miles 0.6214
sq inches sq centimetres 6.452
sq centimetres sq inches 0.155
sq metres sq feet 10.76
sq feet sq metres 0.0929
sq yards sq metres 0.8361
sq metres sq yards 1.196
sq miles sq kilometres 2.589
sq kilometres sq miles 0.3861
acres hectares 0.4047
hectares acres 2.471
cu inches cu centimetres 16.39
cu centimetres cu inches 0.06102
cu feet cu metres 0.02832
cu metres cu feet 35.315
cu yards cu metres 0.7646
cu metres cu yards 1.308
cu inches litres 0.01639
litres cu inches 61.03
pints litres 0.5682
litres pints 1.76
US pints litres 0.47311
litres US pints 2.114
US gallon liters 3.785
gallons litres 4.546
litres US gallons 0.2642
litres gallons 0.22
grains grams 0.0648
grams grains 15.43
ounces grams 28.35
grams ounces 0.03527
pounds grams 453.6
grams pounds 0.002205
pounds kilograms 0.4536
kilograms pounds 2.205
tons kilograms 1016.05
kilograms tons 0.0009842
LINEAR MEASURE
From To Multiply by
inches millimetres 25.4
millimetres inches 0.0394
inches centimetres 2.54
centimetres inches 0.3937
feet metres 0.3048
metres feet 3.281
yards metres 0.9144
metres yards 1.094
miles kilometres 1.609
kilometres miles 0.6214
nautical miles kilometres 1.852
nautical miles miles 1.150779

1 centimetre = 10 mm
1 decimetre = 10 cm
 1 metre  =  100 cm
1 kilometre =  1,000 m

 1 foot = 12 inches
1 yard = 3 feet
1 (statute) mile= 1,760 yards
1 int. nautical mile= 1.150779 miles

 

AREA
From To Multiply by
sq inches sq millimetres 645.16
sq millimetres sq inches 0.001550
sq inches sq centimetres 6.452
sq centimetres sq inches 0.155
sq feet sq centimetres  929.03
sq centimetres sq feet 0.001076
sq metres sq feet 10.76
sq feet sq metres 0.0929
sq yards sq metres 0.8361
sq metres sq yards 1.196
sq miles sq kilometres 2.5899
sq miles hectares 0.25899
hectares sq miles 3.8612
sq kilometres sq miles 0.3861
acres sq metres 4046.86
sq metres acres 0.000247
acres hectares 0.4047
hectares acres 2.471

1 square foot  =  144 sq. in.
1 square yard = 9 sq. ft
1 acre =  4,840 sq. yd 
1 square mile =  640 acres


1 square metre = 10,000 sq. cm
1 are = 119.6 sq. yards
1 are = 100 square metres
1 hectare = 100 ares = 2.471 acres
1 square kilometre = 100 hectares
VOLUME
From To Multiply by
cu inches cu centimetres 16.39
cu centimetres cu inches 0.06102
cu inches:  cu decimetres 16.387
cu feet cu metres 0.02832
cu metres cu feet 35.315
cu feet cu inches 1,728
cu feet cu decimetres 28.316
cu yards cu metres 0.7646
cu metres cu yards 1.308
cu inches litres 0.01639
litres cu inches 61.03

1 cubic metre = 1,000,000 cu. cm 

CAPACITY 
From To Multiply by
fluid ounce litres 0.0284
fluid ounce cu inches 1.8047
US fluid ounce litres 0.0296
US fluid ounce cu inches 1.878
gills litres 0.1421
pint cu inches 34.68
pints litres 0.568
litres pints 1.7606
US pints liters 0.4731
liters US pints 2.114
US pints cu inches 28.88
cu inches US pints 0.0347
quarts litres 1.136
US quarts liters 0.9463
gallons litres 4.546
US gallons litres 3.785
peck litres 9.092
bushel liters 36.4
US barrels cubic metres 0.159

 

 

1 US pint = 16 fluid oz 
1 gill = 5 fluid oz
1 pint = 20 fluid oz
1 quart = 2 pints
1 gallon = 4 quarts
1 peck = 2 gallons 
1 bushel = 4 pecks


1 centilitre = 10 ml = 0.018 pint
1 decilitre = 10 cl  = 0.176 pint
1 litre = 1000 ml = 1.76 pints
1 litre = 1 cubic decimetres
1 decalitre = 10 l = 2.20 gallons
1 hectolitre = 100 l = 2.75 bushels
1 kilolitre = 1,000 l = 3.44 quarters

The decalitre is sometimes spelled dekalitre

MASS and WEIGHT - Commonly used values

From To Multiply by
grams grains 15.43
grains grams 0.0648
ounces grams 28.349
grams ounces 0.03527
pounds grams 453.59
grams pounds 0.002205
pounds kilograms 0.45359
kilograms pounds 2.205
tons kilograms 1016.05
kilograms tons 0.0009842
tons tonnes 1.016
tonnes tons 0.9842

 

stones: kilograms = 6.350
quarters: kilograms = 12.700
centals: kilograms = 45.359
hundredweights: kilograms = 50.802


1 milligram = 0.015 grain
1 centigram = 10 mg = 0.154 grain
1 decigram = 100 mg = 1.543 grains
1 gram = 1000 mg = 15.43 grains
1 decagram = 10 g = 5.64 drams
1 hectogram = 100 g = 3.527 ounces
1 kilogram = 1,000 g = 2.205 pounds
1 tonne (metric ton) = 0.9842 (long) ton= 1,000 kg

the decagram is sometimes spelled dekagram

Force

From To Multiply by
kilonewtons pounds (f) 224.8
pounds (f) kilonewtons 0.004448
kilonewtons tons (f) 0.10036
tons (f) kilonewtons 9.96401
kilonewtons kilograms (f) 102.0
kilograms (f) kilonewtons 0.009807

 

 

Fuel consumption

From To Multiply by
miles/gallon kilometres/litre 0.3539
kilometres/litre miles/gallon 2.825
miles/US gallon kilometers/liter 0.4250
kilometers/liter miles/US gallon 2.353
gallons/mile litres/ kilometre 2.825
litres/ kilometre gallons/mile 0.3540

 

American Dry Measurements

From To Multiply by
pint cu. in. 33.60
pint liter 0.550
quart liters 1.101
peck (8 quarts) liters 8.81
bushel (4 pecks) liters 35.3



 

American to Imperial Capacity measurements

From To Multiply by
US fluid ounce fluid ounce 1.0408
fluid ounce US fluid ounce 0.9608
US pint pint 0.8327
pint US pint 1.201
US gallon gallon 0.8327
gallon US gallon 1.201


 

Velocity

From To Multiply by
miles/hour kilometres/hour 1.609
kilometres/ hour miles/hour 0.6117
feet/second metres/second 0.305
metres/second feet/second 3.279
feet/minute metres/second 0.00508
metres/ second feet/minute 196.74
feet/minute metres/minute 0.305



 

Pressure

From To Multiply by
pounds/in2 kilonewtons/m2 6.895
pounds/in2 Atmosphere 0.0680
pounds/in2 Kilograms/m2 9.80665 
Pascal pounds/in2 14.696
Pascal feet/second 3.279
Pascal Kilograms/m2 703.07
Kilograms/m2 pounds/in2 0.001422
Kilograms/m2 Atmosphere 9.68X10-5
Kilograms/m2 Pascal 9.8067
Atmosphere pounds/in2 14.696
Atmosphere Pascal 101,325
Atmosphere Kilograms/m2 10,332
newton/m2 pascal 1.000
kilopascal kilonewton/m2 1.000


 

Torque

From To Multiply by
Newton Metres Foot Pound 0.7376
Newton Metres Kilogram Force Metres 0.1020
Foot Pounds Newton Metres 1.356
Foot Pounds Kilogram Force Metres 0.1383
Kilogram Force Metres Foot Pound 7.233
Kilogram Force Metres Newton Metres 9.807
inch Pound Foot Pound 12

 

  

Temperature Conversion

C to F first deduct 32, Multiply by 5 then Divide by 9
F to C Multiply by 9, Divide by 5, Add 32

 
Avoirdupois Weight is the system of weights used in most 
English Speaking countries. 

1 dram= 1.772 grams
1 ounce = 16 drams
1 pound = 16 ounces= 7,000 grains
1 stone = 14 pounds
1 hundredweight = 112 pounds (US 100 pounds)
1 short ton= 0.907 tonne = 2,000 pounds
1 (long) ton = 20 hundredweight = 2,240 pounds



Troy Weight (Precious Metals) 
24 grains = 1 pennyweight 
20 pennyweights = 480 grains = 1 ounce 
12 ounces = 5760 = grains = 1 pound 


Apothecaries' Weight 
20 grains = 1 scruple 
3 scruples = 1 dram 
8 drams = 1 ounce 
12 ounces = 5760 grains = 1 pound 


  Archaic and less frequently used linear measure 
3 hands = 1 foot 
1 span 9 inches 
1 rod, pole or perch = 16.5 feet 
40 poles = 1 furlong  
8 furlongs = 1 mile
320 rods = 1 mile 
3 miles = 1 league
 
Nautical miles and Knots
10 cables = 1 nautical mile
6080 feet = 1 nautical mile
1 Knot = 1.151 mph 
The nautical mile is defined as the average distance on the earth's surface
 corresponding to an angle of 1 minute of arc. A speed of one nautical miles 
per hour is known as the knot. The International Nautical mile is accepted 
by the Royal Navy (1970) as being equal to 1852 metres.  As the earth is 
not a perfect sphere, but is an oblate spheroid, the distance corresponding 
to one minute of arc will vary depending on location. The value of 6080 feet 
is a compromise and is the value as measured at some point in the English 
channel

Depth
6 feet = 1 fathom 
15 fathom = 1 shackle

Power
horsepower - 745.7 Watts (SI) or 735.5 Watts (Continental Europe)

C to F first deduct 32, Multiply by 5 then Divide by 8
F to C Multiply by 9, Divide by 5, Add 32

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