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Length Mass Time Volume Heat Memory


History of units


Length is that the most important mensuration in way of life, and units of length in several countries still mirror humanity's 1st elementary ways. The in. may be a thumb. The foot speaks for itself. The yard relates closely to an individual's pace, however additionally derives from 2 cubits (the live of the forearm). The mile is in origin the Roman mille passus - a 'thousand paces', approximating to a mile as a result of the Romans outline a pace as 2 steps, conveyance the walker back to an equivalent foot. With measurements like these, it's simple to clarify however far-flung subsequent village is ANd to figure out whether or not an object can get through a room access. For the complicated measure issues of civilization - measuring land to register property rights, or commercialism a artifact by length - a additional precise unit is needed.

The Units of Length

According in Metre (m)
1 KiloMetre = 1000 m 1 Hectometre = 100 m 1 Decametre = 10 m Metre
1 Deciimetre = 0.1 m 1 Centimetre = 0.01 m 1 Milimetre = 0.001 m 1 Gigametre = 10^9 m
1 Megametre = 10^6 m 1 Foot = 0.3048 m 1 Yard = 0.9144 m 1 Inchs = 0.0254 m
1 Micrometre = 10^-6 m 1 Nanometre = 10^-9 m 1 Angstrom = 10^-10 m 1 Picometre = 10-^12 m

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For measurements of weight, the physical structure provides no such straightforward approximations as for length. however nature steps in. Grains of wheat square measure fairly commonplace in size. Weight are often expressed with some extent of accuracy in terms of variety of grains - a live still utilized by jewellers. As with measurements of length, a lump of metal are often unbroken within the temples as a political candidate commonplace for a given variety of grains. Copies of this may be solid and weighed within the balance for good accuracy. however it's easier to deceive a client regarding weight, and metal will only too simply be removed to distort the scales. associate degree body of weights and measures is from the beginning a sensible necessity, and has remained therefore.

The Units of Mass

According in Gram(g)
1 Kilogram = 1000 g 1 Hectagram = 100 g 1 Dceagram = 10 g Gram
1 Decigram = 0.1 g 1 Centigram = 0.01 g 1 Miligram = 0.001 g 1 Ton(UK) = 1016000 g
1 Ton(US) = 907200 g 1 Tonne = 10^6 g 1 Atomic Mass = 1.66054 x 10^-24 g 1 Attogram = 10^-18 g
1 Carat = 0.2 g 1 Dyne = 980.665 g 1 Exagram = 10^18 g 1 Femtogram = 10^-15 g
1 Giga Gram = 10^9 g 1 Hundred Weight(UK) = 50802.3454 g 1 Kip = 453592.3684 g 1 Lepton = 0.030078125 g
1 Megagram = 10^6 g 1 Microgram = 10^-6 g 1 Nanogram = 10^-9 g 1 Ounee = 28.3495 g
1 Petagram= 10^15 g 1 Picogram = 10^12 g 1 Pound = 453.592 g 1 Poundal = 14.0980814 g

Convert from one unit to another unit of the Weight.For convert unit Click Here


Time, a central theme in fashionable life, has for many of human history been thought of in terribly inexact terms. The day and also the week square measure simply recognized associated recorded - although an correct calendar for the year is difficult to realize. The morning is well distinguishable from the afternoon, provided the sun is shining, and also the position of the sun within the landscape will reveal roughly what quantity of the day has passed. against this the smaller parcels of your time - hours, minutes and seconds - have till recent centuries been each illimitable and unessential.

Units of Time

In Second(s)
1 Milisecond = 0.001 s Second 1 Minute = 60 s 1 Hour = 3600 s
1 Day = 86400 s 1 Week = 604800 s 1 Month = 2.628x10^6 s 1 year = 3.154x10^7 s
1 Deacde = 3.154x10^8 s 1 Century = 3.15x10^9 s 1 Microsecond = 10^-6 s 1 Nanosecond = 10^-9 s
1 Picosecond = 10^-12 s 1 Femtosecond = 10^-15 s 1 Attosecond = 10^-18 s 1 Zeptosecond = 10^-21 s
1 Yoctosecond = 10^-24 s 1 Gigasecond = 10^9 s 1 Terasecond = 10^12 s 1 Petasecond = 10^15 s
1 Exasecond = 10^18 s 1 Zettasecond = 10^21 s 1 Yottasecond = 10^24 s

Transformation is part of our life. For the Time Unit transformation Click Here


Among the necessities of traders or tax collectors, a reliable commonplace of volume is that the hardest to realize. Nature provides some terribly rough averages, like goatskins. Baskets, sacks or pottery jars is created to close to consistent sizes, ample maybe for several everyday transactions. But wherever the precise quantity of any artifact has to be famed, weight is that the live a lot of possible to be relied upon than volume.

Units of Volume

In Liter (L)

Liter 1 Cubic Kilometer = 10^12 Liter 1 Cubic Hectoleter = 10^9 Liter 1 Cubic Meter = 1000 Liter
1 Cubic Centimeter = 0.001 Leter 1 Cubic Millimeter = 10^-6 Leter 1 Gigaliter = 10^9 Litere 1 Megaleter = 10^6 Liter
1 Kiloleter = 1000 leter 1 Microleter = 10^-6 Liter 1 Cubic Mile = 4.168 x 10^12 Liter 1 Acre Foot = 1233480 Liter
1 Cubic Yard = 764.555 Liter 1 Board Foot = 2.36 Liter 1 Cubic Inch = 0.0163871 liter 1 Gallon(US) = 3.78541 Liter

The transformation of the Volume Unit is usefull in all platform.So for the volume Unit transform Click Here


In 1937 Charles Babbage 1st purposed the Analytical Engine, that was the primary pc to use punch cards as memory and some way to program the pc. Gustav Tauschek developed drum memory in 1932. In 1942 John Atanasoff with success tests the fundamental principle (Atanasoff-Berry Computer) that was the primary pc to use regenerative capacitance drum memory. In 1946 Freddie Williams applies for a patent on his cathode-ray tube (cathode-ray tube) storing device on Dec eleven, 1946. The device that later became referred to as the Williams tube or additional suitably the Williams-Kilburn tube. The tube keep solely keep 128 40-bit words and was the primary sensible style of random-access memory. The Modern Memory come in from that.In 1993 Samsung introduced the KM48SL2000 synchronous DRAM (SDRAM) Associate in Nursingd quickly became Associate in Nursing trade commonplace in 1993.DDR SDRAM began being oversubscribed in 1996.RDRAM became out there for computers in 1999.DDR2 SDRAM began being oversubscribed in 2003.XDR DRAM began being oversubscribed in 2003.DDR3 SDRAM began being oversubscribed in solar calendar month 2007.DDR4 SDRAM began being oversubscribed in September 2014.

Units of Memory

1 Kb = 1024 Byte 1 Mb = 1024 Kb 1 Gb = 1024 Mb 1 Tb = 1024 Gb 1 Pb = 1024 Tb

In Bit

Bit 1 Kibibit = 1024 Bit 1 Mebibit = 1048576 Bit 1 Gibibit = 1.074 x 10^9 Bit
1 Tebibit = 1.099 x 10^12 Bit 1 Pebibit = 1.1258 x 10^15 Bit 1 Byte = 8 Bit 1 Kibi Byte(Kb) = 8192 Bit
1 Mebi Byte(Mb) = 8388608 Bit 1 Gibi Byte(Gb) = 8059 x 19^9 Bit 1 Tebi Byte(Tb) = 8.796 x 10^15 Bit

Now Days the Computer and the Mobile Memory is too important.For convert the Memory Unit Click Here


Temperature may be a numerical illustration of hot or cold compared against baselines, generally the purpose at that water freezes and boils.In most in instances, temperature measures what proportion heat there's in a very specific entity —in a liquid, like water, or a solid, like soil. In meteorology, temperature measures the warmth content of the atmosphere.The instrument accustomed live temperature may be a measuring system, a word derived from the Greek vacuum flask, which means "hot," and metron, "measure."
Galen, a Greek individual and doctor, created the primary try at mensuration temperature in a very.D. 170. He documented a regular "neutral" temperature of equal components of boiling water and ice. He further four degrees of warmth and 4 degrees of cold on either facet of this neutral temperature.
Fahrenheit is one among 3 major temperature scales used nowadays, with the opposite 2 being Anders Celsius and Kelvin. Gabriel Daniel Fahrenheit is that the normal used for mensuration temperature within the u. s., however most of the remainder of the globe uses Anders Celsius.

Units of Temperature

1) Celsius, 2) Fahrenheit, 3) Kelvin

Relation among them

1) C/5 = (F-32)/9

2) K = C+273

3) 5F = 9K - 2297

C = Celcious, F = Faranhite, K = Kelvin

SI Units

The system of weights and measures began because the system of measuring in France throughout the 1800's. it absolutely was designed to switch the misunderstood and bewildered units that were in use at the time. Despite wars and international rivalries, the system of weights and measures has slowly unfold throughout the globe, though not all countries have utterly adopted it. as an example, European country is {just|is barely} just ever-changing weight system over to metric (as a part of the formation of the eu Union). The us of America live virtually everything mistreatment the older imperial system of measurements, which has things just like the foot (for distance) and therefore the pound (for weight). However, scientists in each countries use the system of weights and measures once communication with the international scientific community.

SI Unit Table

SI Base Units
Name Unit Symbal
Length Meter m
Mass Kilogram Kg
Temperature Kelvin K
Time Secons s
Elctric Current Ampere A
Amount of Substance Mole mol
Luminous Intensity Candela cd
SI Derived Units
Frequency Hertz Hz
Force Newton N
Pressure Pascal Pa
Energy Joule J
Power Watt W
Electric Charge Coulomb C
Electric Potential Volt V
Electric Resistance Ohm ohm
Celcious Temperature Degree Celcious 0C

CGS Unit

Cgs system, system of units of measure supported the system of weights and measures and having the metric linear unit of length, the gram of mass, and also the second of your time as its basic units. alternative metric system units square measure the force unit of force and also the heat unit of labor or energy.
Centimeter, gram, Second, system of units. it had been replaced by the MKS system that, since 1960, has been replaced by the SI units.The cgs goes back to a proposal in 1832 by the German man of science Carl Friedrich Gauss to base a system of absolute units on the 3 elementary units of length, mass and time.He sizes of the many metric system units clad to be inconvenient for sensible functions.

CGS Unit Table

Name Unit Symbal
Length Centimeter cm
Mass Gram g
Time Second s
Force Dyne dyne
Pressure Barye barye
Field Force Gilbert Gb
Field Flux Maxwell Mx
Field Intensity Oersited Oe
Flux Density Gauss G
Electric Current Amoere A