Unit Conversion

No more conversion charts: Encalc is a unit converter. To have Encalc express a calculation in a particular unit, you can append "in [unit]", "expressed in [units]", or "convert to [units]" to the end of your calculation.

Here are some examples:

Mathematical Functions

Encalc has a wide range of built in functions. Here is a full list of the functions available:

• sqrt :: Square Root
• ln :: Natural Logarithms
• log10 :: Base 10 Logarithms
• sin, cos, tan, sec, csc, cot :: Trigonometric Functions
• asin, acos, atan, asec, acsc, atan :: Inverse Trigonometric Functions
• sinh, cosh, tanh, sech, csch, coth :: Hyperbolic Trigonometric Functions
• asinh, acosh, atanh, asech, acsch, acoth :: Inverse Hyperbolic Trigonometric Functions
• exp :: Exponentiate by e
• abs :: Absolute Value
• factorial :: Factorials
• erf :: The Error Function

Mathematical Operations

Encalc has a number of functional operations:

• integrate(f) :: Indefinite Integral
• integrate(f, x, lower, upper) :: Definite Integral
• diff(f) :: Differentiate
• apart(f, x) :: Partial Fraction Decomposition
• together(f, x) :: Partial Fraction Composition
• expand(f) :: Expand Algebraic Expressions
• limit(f, x, a) :: Limit of f as x->a
• simplify(f) :: Simplify Experssions
• cancel(f) :: Cancel Common Factors in Fractions
• evalf(f) :: Evaluate to a Float
• series(f, x) :: Taylor Series Expansion of f(x)
• series(f, x, about, order) :: Taylor Series Expansion of f(x) About a to a Given Order
• sum(f, x, lower, upper) :: Sum a Function
• factor(f) :: Factor a Polynomial
• solve(f) :: Solve for the Zeroes of an Equation
• solve(f) :: Solve for the Zeroes of an Multivariable Equation
• solve(f, *vars) :: Solve for the Zeroes of an Multivariable Equation for Specific Variables
• solve([f1, f2, etc]) :: Solve for the Zeroes of a System of Equations

Vectors and Matrices

Encalc makes it easy to work with vectors and matrices:

• matrix :: Creating a Matrix
• det :: Taking the Determinant of a Matrix
• inv :: Taking the Inverse of a Matrix
• transpose :: Taking the Transpose of a Matrix
• addition and subtraction :: Adding Matrices
• multiplication :: Multiplying Matrices
• exponentiation :: Exponentiating a Matrix
• vector :: Creating a Vector
• dot :: Taking a Vector Dot Product
• cross :: Taking a Vector Cross Product

Fundamental Units

The Encalc database contains hundreds of different units.

The most fundamental units are: kg (kilogram or kilogramme), s (second), m (meter or metre), A (amp or ampere), cd (candela), mol (mole), and K (kelvin).

Other fundamental units supported are: dollars, euros (no currency conversion though), radian (rad), steradian (sr), and bit.

Scientific Units

The database contains a number of different scientific units, all expressible in terms of the more fundamental units.

Click to show/hide the list of units.

• newton
• N
• pascal
• pa
• psi
• "pounds per square inch"
• joule
• J
• watt
• W
• coulomb
• C
• volt
• V
• ohm
• siemens
• S
• mho
• farad
• F
• weber
• Wb
• henry
• H
• T
• tesla
• hertz
• hz
• gauss
• emu
• g
• gram
• gramme
• gm
• kg
• kilogram
• tonne
• metricton
• metrictonne
• sthene
• funal
• pieze
• quintal
• bar
• vac
• micron
• bicron
• cc
• liter
• litre
• l
• galvat
• angstrom
• xunit
• siegbahn
• fermi
• brewster
• diopter
• fresnel
• svedberg
• spat
• preece
• sturgeon
• daraf
• leo
• poiseuille
• mayer
• mired
• metricounce
• mounce
• finsenunit
• fluxunit
• jansky
• Jy
• jy
• katal
• kat
• becquerel
• Bq
• curie
• Ci
• rutherford
• gray
• Gy
• rep
• sievert
• Sv
• rem
• roentgen
• rontgen
• eman
• mache

United States Customary Units and Other US Values

The database contains a number of American units, such as inches and feet.

Click to show/hide the list of units.

• inch
• in
• foot
• feet
• ft
• yard
• yd
• mile
• mi
• rod
• perch
• furlong
• statutemile
• league
• acre
• intacre
• homestead
• dunam
• dunum
• donum
• fathom
• nauticalmile
• nmile
• "nautical mile"
• cable
• intcable
• "international cable"
• cablelength
• uscable
• "us cable"
• knot
• pound
• lb
• ounce
• oz
• dram
• dr
• shortton
• uston
• ton
• gallon
• gal
• quart
• pint
• gill
• cup
• qt
• pt
• fluidounce
• floz
• "fluid ounce"
• usfloz
• bushel
• usbushel
• "us bushel"
• peck
• uspeck
• "us peck"
• footballfield
• "(length) (of) (a) football field"
• ipy (inch per year)
• fpm
• fps
• mph
• mpg

Units of Time

The database contains a number of different units related to time.

Click to show/hide the list of units.

• s
• sec
• minute
• min
• hour
• hr
• day
• d
• da
• week
• wk
• sennight
• fortnight
• year
• yr
• month
• mo
• lustrum
• decade
• century
• millennium
• millennia
• solaryear
• "solar year"
• calendaryear
• "calendar year"
• commonyear
• "common year"
• leapyear
• "leap year"
• julianyear
• "julian year"
• gregorianyear
• "gregorian year"
• islamicyear
• "islamic year"
• islamicleapyear
• "islamic leap year"
• islamicmonth
• "islamic month"
• anomalisticyear
• "anomalistic year"
• siderealyear
• "sidereal year"
• tropicalyear
• "tropical year"
• gaussianyear
• "gaussian year"
• elipseyear
• "elipse year"
• siderealday
• "sidereal day"
• siderealhour
• "sidereal hour"
• siderealminute
• "sidereal minute"
• siderealsecond
• "sidereal second"
• anomalisticmonth
• "anomalistic month"
• nodicalmonth
• "nodical month"
• draconicmonth
• "draconic month"
• draconiticmonth
• "draconitic month"
• siderealmonth
• "sidereal month"
• lunarmonth
• "lunar month"
• synodicmonth
• "synodic month"
• lunation
• lune
• lunour
• lunaryear
• "lunar year"
• saros

Angular Measurements

The database contains a number of ways to express 2-d and 3-d angular measurements.

Click to show/hide the list of units.

• radian
• rad
• degree
• deg
• arcdeg
• arcmin
• arcminute
• "arc min"
• "arc minute"
• arcsec
• arcsecond
• "arc sec"
• "arc second"
• rightangle
• "right angle"
• circlerad
• quadrant
• quintant
• sextant
• pulsatance
• milangle
• pointangle
• centrad
• seclongitude
• sphericalrightangle
• octant

Names of Numbers

Some numbers, such as "twenty", can be typed in by name.

Click to show/hide the list of units.

• one
• two
• three
• four
• five
• six
• seven
• eight
• nine
• ten
• twenty
• thirty
• forty
• fifty
• sixty
• seventy
• eighty
• ninety
• hundred
• thousand
• million
• billion
• trillion
• quadrillion
• quintillion
• sextillion
• septillion
• octillion
• nonillion
• noventillion
• decillion
• undecillion
• duodecillion
• tredecillion
• quattuordecillion
• quindecillion
• sexdecillion
• septendecillion
• octodecillion
• novemdecillion
• vigintillion
• centillion
• googol
• billiard
• trilliard
• quadrilliard
• quintilliard
• sextilliard
• septilliard
• octilliard
• nonilliard
• noventilliard
• decilliard

Scientific Constants

The database contains a number of different mathematical and scientific constants.

Click to show/hide the list of constants.

• pi
• Pi
• eulermascheroniconstant
• "(the) euler–mascheroni
• c
• light
• mu_0
• mu0
• "(the) magnetic constant"
• "permeabil(l)ity (of) (the) free space"
• "permeabil(l)ity (of) (the) vacuum"
• "(the) vacuum permeabil(l)ity"
• epsilon_0
• epsilon0
• e_0
• e0
• "epsilon zero"
• "(the) permittivity (of) (the) vacuum"
• "(the) permittivity (of) (the) free space"
• coulombconstant
• coulomb_constant
• "coulomb(')(s) constant"
• q_e
• "(the) charge (on) (of) (an) (the) electron"
• "(the) charge (on) (of) (a) (the) proton"
• "electron charge"
• "proton charge"
• "elementary charge"
• e
• h
• "planck(')(s) constant"
• h_bar
• hbar
• "reduced planck(')(s) constant"
• G
• "(newton)(')(s) gravitational constant" G
• G_F
• "fermi(')(s) constant"
• amu
• atomicmassunit
• "atomic mass unit"
• u
• amu_chem
• amu_phys
• N_A
• avogadro
• "avogadro(')(s) number"
• "avogadro(')(s) constant"
• R
• gasconstant
• boltzmann
• boltzmannconstant
• "boltzman(n)(')(s) constant"
• k
• k_b
• wiendisplacement
• K_J
• R_K
• gravity
• "acceleration (of) gravity"
• atm
• atmosphere
• waterdensity
• mach
• standardtemp
• stdtemp
• roomtemp
• rmtemp
• R_infinity
• Rinfinity
• R_H
• rydberg
• "rydberg(')(s) constant"
• finestructure
• "fine structure (constant)"
• bohrradius
• "bohr radius"
• a_0
• prout
• planckmass
• "planck mass"
• m_P
• plancktime
• "planck time"
• t_P
• plancklength
• "planck length"
• l_P
• planckcharge
• "planck charge"
• q_P
• plancktemperature
• "planck temperature"
• T_P
• electronmass
• "electron mass"
• "mass (of) (on) (an) electron"
• m_e
• protonmass
• "proton mass"
• "mass (of) (on) (a) proton"
• m_p
• neutronmass
• "neutron mass"
• "mass (of) (on) (a) neutron"
• m_n
• muonmass
• "muon mass"
• "mass (of) (on) (a) muon"
• m_mu
• deuteronmass
• "deuteron mass"
• "mass (of) (on) (a) deuteron"
• m_d
• alphaparticlemass
• "alpha particle mass"
• "mass (of) (on) (an) alpha particle"
• m_alpha
• mmHg
• mmhg
• torr
• eV
• electronvolt
• "electron volt"
• beV
• bev
• ly
• lightyear
• "light year"
• lightsecond
• "light second"
• lightminute
• "light minute"
• au
• ua
• astronomicalunit
• "astronomical unit"
• parsec
• pc
• crith
• marathon

Measurements of Concentration

The database contains a number of ways to measure concentrations.

Click to show/hide the list of units.

• percent
• "per cent"
• mill
• proof
• ppm
• partspermillion
• ppb
• partsperbillion
• ppt
• partspertrillion
• karat
• caratgold
• gammil
• basispoint
• "basis point"
• basis

CGS System of Measurement

The CGS system of measurement is based on centimeters, grams, and seconds. The database contains a number of CGS units.

Click to show/hide the list of units.

• cm
• centimeter
• g
• gram
• s
• second
• dyne
• dyn
• erg
• poise
• rhe
• stokes
• St
• stoke
• lentor
• Gal
• galileo
• barye
• barad
• kayser
• kine
• bole
• slug
• deybe

Astronomical Units and Values

The database contains a number of astronomical units.

Click to show/hide the list of units.

• ly
• lightyear
• "light year"
• lightsecond
• "light second"
• lightminute
• "light minute"
• au
• ua
• astronomicalunit
• "astronomical unit"
• parsec
• pc
• mercuryday
• "mercury day"
• "day on mercury"
• mercuryyear
• "mercury year"
• "year on mercury"
• mercurymass
• "mercury mass"
• "(the) mass of mercury"
• mercuryradius
• "mercury radius"
• "(the) radius of mercury"
• venusday
• "venus day"
• "day on venus"
• venusyear
• "venus year"
• "year on venus"
• venusmass
• "venus mass"
• "(the) mass of venus"
• venusradius
• "venus radius"
• "(the) radius of venus"
• earthday
• "earth day"
• "day on earth"
• earthmass
• "earth mass"
• "(the) mass of (the) (planet) earth"
• earthradius
• earthdiameter
• "(the) earth(')(s) radius"
• "(the) radius of (the) earth"
• "(the) diameter of (the) earth"
• earthdensity
• "(the) density of (the) earth"
• earthage
• "(the) age of (the) earth"
• marsday
• "mars day"
• "day on mars"
• marsyear
• "mars year"
• "year on mars"
• marsmass
• "mars mass"
• "(the) mass of mars"
• marsradius
• "mars radius"
• "(the) radius of mars"
• jupiterday
• "jupiter day"
• "day on jupiter"
• jupiteryear
• "jupiter year"
• "year on jupiter"
• jupitermass
• "jupiter mass"
• "(the) mass of jupiter"
• jupiterradius
• "jupiter radius"
• "(the) radius of jupiter"
• saturnday
• "saturn day"
• "day on saturn"
• saturnyear
• "saturn year"
• "year on saturn"
• saturnmass
• "saturn mass"
• "(the) mass of saturn"
• saturnradius
• "saturn radius"
• "(the) saturn of venus"
• uranusday
• "uranus day"
• "day on uranus"
• uranusyear
• "uranus year"
• "year on uranus"
• uranusmass
• "uranus mass"
• "(the) mass of uranus"
• uranusradius
• "uranus radius"
• "(the) radius of uranus"
• neptuneday
• "neptune day"
• "day on neptune"
• neptuneyear
• "neptune year"
• "year on neptune"
• neptunemass
• "neptune mass"
• "(the) mass of neptune"
• neptuneradius
• "neptune radius"
• "(the) radius of neptune"
• plutoday
• "pluto day"
• "day on pluto"
• plutoyear
• "pluto year"
• "year on pluto"
• plutomass
• "pluto mass"
• "(the) mass of pluto"
• plutoradius
• "pluto radius"
• "(the) radius of pluto"
• sunmass
• m_sun
• "sun mass"
• "solar mass"
• "(the) mass of (the) sun"
• sunradius
• solarradius
• solarradii
• "sun radius"
• "(the) radius of (the) s
• "solar radius"
• "solar radii"
• sunage
• solarage
• "(the) age of (the) sun"
• moongravity
• g_moon
• "gravity on (the) moon"
• moonmass
• m_moon
• "(the) mass of (the) moon"
• earthmoondistance
• "(the) distance from (the) earth to (the) moon"
• "(the) distance from (the) moon to (the) earth"
• universedensity
• "(the) (mass) density of (the) universe"
• universeage
• "(the) age of (the) universe"
• "(the) distance to alpha centauri"
• alphacentauridistance

Units of Work and Power

The database contains a number of ways to measure units of work, power, and energy.

Click to show/hide the list of units.

• calorie
• cal
• btu
• britishthermalunit
• "british thermal unit"
• mbh
• ushorsepower
• "us horse( )power"
• "american horse( )power"
• horsepower
• hp
• hph (horsepower hour)
• "horse power"
• metrichorsepower
• "metric horse( )power"
• electrichorsepower
• "electric horse( )power"
• boilerhorsepower
• "boiler horse( )power"
• waterhorsepower
• "boiler horse( )power"
• brhorsepower
• "british horse( )power"
• donkeypower
• "donkey horse( )power"
• clausius
• langley
• poncelet
• kWh

Fluid Flow

The database contains a number of units for fluid flow.

Click to show/hide the list of units.

• cumec
• cusec
• gph
• gpm
• cfs
• cfm
• cfh
• lpm
• lfm
• sverdrup
• sccm
• sccs
• scfh
• scfm
• slpm
• slph

Computer Units

The database contains a number of different units used with computers, such as bytes and gigs.

Click to show/hide the list of units.

• bps
• byte
• nybble
• nibble
• meg
• gig
• jiffy

Prefixes

Encalc supports adding prefixes to units. For instance, mJ is an abbreviation for millijoules.

Click to show/hide the list of prefixes.

• yotta- (e24)
• zetta- (e21)
• exa- (e18)
• peta- (e15)
• tera- (e12)
• giga- (e9)
• mega- (e6)
• myria- (e4)
• kilo- (e3)
• hecto- (e2)
• deca- (e1)
• deka- (eca)
• deci- (e-1)
• centi- (e-2)
• milli- (e-3)
• micro- (e-6)
• nano- (e-9)
• pico- (e-12)
• femto- (e-15)
• atto- (e-18)
• zepto- (e-21)
• yocto- (e-24)
• Y- (yotta)
• Z- (zetta)
• E- (exa)
• P- (peta)
• T- (tera)
• G- (giga)
• M- (mega)
• k- (kilo)
• h- (hecto)
• da- (deka)
• d- (deci)
• c- (centi)
• m- (milli)
• u- (micro)
• n- (nano)
• p- (pico)
• f- (femto)
• a- (atto)
• z- (zepto)
• y- (yocto)