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Measurement and Tools 

From automated teller machines and atomic clocks to mammograms and semiconductors, innumerable products and services rely in some way on technology, measurement, and standards provided by the National Institute of Standards and Technology.

Founded in 1901, NIST is a non-regulatory federal agency within the U.S. Commerce Department's Technology Administration. NIST's mission is to develop and promote measurement, standards, and technology to enhance productivity, facilitate trade, and improve the quality of life. NIST carries out its mission in four cooperative programs:

Conversion Table

hectares

x 0.4047

=

acres

 

ounces

x 35.3

=

kilograms

sq. kilometres

/ 247

=

acres

 

pounds

x 2.2046

=

kilograms

sq. metres

x 4047

=

acres

 

tonnes

/ 1000 

=

kilograms

sq. miles

/ 640 

=

acres

 

tons (UK/long)

/ 1016

=

kilograms

cu.metres

/ 6.29

=

barrels (oil)

 

tons (US/short)

/ 907

=

kilograms

gallons ( UK )

x 34.97

=

barrels (oil)

 

metres

x 1000 

=

kilometres

gallons (US)

x 42 

=

barrels (oil)

 

miles

x 0.6214

=

kilometres

litres

x 159

=

barrels (oil)

 

cu.inches

x 61.02

=

litres

feet

/ 30.48 

=

centimetres

 

gallons ( UK )

x 0.2200

=

litres

inches

/ 2.54 

=

centimetres

 

gallons (US)

x 0.2642

=

litres

metres

/ 100 

=

centimetres

 

pints ( UK )

x 1.760

=

litres

millimetres

x 10 

=

centimetres

 

pints (US liquid)

x 2.113

=

litres

cubic inches

x 0.06102

=

cubic cm

 

yards

/ 0.9144 

=

metres

litres

/ 1000 

=

cubic cm

 

centimetres

x 100 

=

metres

millilitres

x 1 

=

cubic cm

 

kilometres

x 1.609

=

miles

cubic inches

x 1728 

=

cubic feet

 

inches

/ 25.4 

=

millimetres

cubic metres

x 0.0283

=

cubic feet

 

grams

x 28.35

=

ounces

cubic yards

/ 27 

=

cubic feet

 

litres

x 0.5683

=

pints ( UK )

gallons ( UK )

x 6.229

=

cubic feet

 

pints (US liquid)

x 1.201

=

pints ( UK )

gallons (US)

x 7.481

=

cubic feet

 

litres

x 0.4732

=

pints (US liquid)

litres

x 28.32

=

cubic feet

 

pints ( UK )

x 0.8327

=

pints (US liquid)

cubic cm

x 16.39

=

cubic inches

 

kilograms

x 0.4536

=

pounds

litres

x 0.01639

=

cubic inches

 

ounces

x 16 

=

pounds

cubic feet

x 35.31

=

cubic metres

 

sq. inches

x 0.1550

=

square cm

centimetres

x 30.48 

=

feet

 

sq. inches

x 144 

=

square feet

metres

x 0.3048 

=

feet

 

sq. metres

x 0.0929

=

square feet

yards

/ 3 

=

feet

 

square cm

x 6.4516 

=

square inches

fl.ounces (US)

x 0.961

=

fl.ounces ( UK )

 

square feet

/ 144 

=

square inches

millilitres

x 28.41

=

fl.ounces ( UK )

 

acres

x 247

=

square km

fl.ounces ( UK )

x 1.041

=

fl.ounces (US)

 

hectares

x 100 

=

square km

millilitres

x 29.57

=

fl.ounces (US)

 

square miles

x 0.3861

=

square km

pints

x 8 

=

gallons

 

acres

/ 4047

=

square metres

cubic feet

x 0.1605

=

gallons ( UK )

 

hectares

/ 10 000 

=

square metres

gallons (US)

x 1.2009

=

gallons ( UK )

 

square feet

x 10.76

=

square metres

litres

x 4.54609 

=

gallons ( UK )

 

square yards

x 1.196

=

square metres

cubic feet

x 0.1337

=

gallons (US)

 

acres

x 640 

=

square miles

gallons ( UK )

x 0.8327

=

gallons (US)

 

hectares

x 259

=

square miles

litres

x 3.785

=

gallons (US)

 

square km

x 2.590

=

square miles

kilograms

/ 1000 

=

grams

 

square metres

/ 1.196

=

square yards

ounces

/ 28.35

=

grams

 

kilograms

x 1000 

=

tonnes

acres

x 2.471

=

hectares

 

tons (UK/long)

x 0.9842

=

tonnes

square km

/ 100 

=

hectares

 

tons (US/short)

x 1.1023

=

tonnes

square metres

x 10000 

=

hectares

 

kilograms

x 1016

=

tons (UK/long)

square miles

/ 259

=

hectares

 

tonnes

x 1.016

=

tons (UK/long)

square yards

x 11 960

=

hectares

 

kilograms

x 907.2

=

tons (US/short)

centimetres

x 2.54 

=

inches

 

tonnes

x 0.9072

=

tons (US/short)

feet

/ 12 

=

inches

 

metres

x 0.9144 

=

yards

Measurement Abbreviation

Method of determining how long, wide, tall, short or other physical sizes of a object. Below is a listing of different types of measurements used when dealing with measurements and computers or computer equipment.  

atto-                    exa-                  kHz                          mHz                       nanometer             yocto-

angstrom             femto-               Kilobyte                   micro-                    none                    yotta-

cm                       foot                   kilohertz                   micron                    peta-                    zepto

centi-                   footprint            kilometer                  milli-                       pica                     zetta

centimeter            giga-                  km                           millimeter                pico                    

deci-                   hecto-               mega-                       millimicron              pitch                   

deka-                  Hertz                 Megahertz                mm                         point                   

em                       inch                   meter                        nano                       tera-                   

yotta [Y] 1 000 000 000 000 000 000 000 000     = 10^24
zetta [Z] 1 000 000 000 000 000 000 000         = 10^21
exa   [E] 1 000 000 000 000 000 000             = 10^18
peta  [P] 1 000 000 000 000 000                 = 10^15
tera  [T] 1 000 000 000 000                     = 10^12
giga  [G] 1 000 000 000 		   (a thousand millions = a billion)
mega  [M] 1 000 000 			   (a million)
kilo  [k] 1 000 			   (a thousand)
hecto [h] 100                              (a hundred)
deca  [da]10                               (ten)
	  1
deci  [d] 0.1                              (a tenth)
centi [c] 0.01                             (a hundredth)
milli [m] 0.001 			   (a thousandth)
micro [] 0.000 001 			   (a millionth)
nano  [n] 0.000 000 001 		   (a thousand millionth)
pico  [p] 0.000 000 000 001			= 10^-12
femto [f] 0.000 000 000 000 001			= 10^-15
atto  [a] 0.000 000 000 000 000 001		= 10^-18
zepto [z] 0.000 000 000 000 000 000 001		= 10^-21
yocto [y] 0.000 000 000 000 000 000 000 001	= 10^-24

Other Measurements