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Units of measurement

Acre
Unit of area
Acre-foot
Non-SI unit of volume
Aeon
Ancient Greek concept
Alcohol proof
Measure of alcohol content
Ampere
SI base unit of electric current
Ampere-hour
Unit of electric charge
Angstrom
Unit of length; equals 0.1 nanometre
Astronomical unit
Mean distance between Earth and the Sun
Attosecond
One quintillionth of a second
Bar (unit)
Unit of pressure equal to 100,000 Pa
Barleycorn (unit)
English unit of length
Barn (unit)
Unit for cross sectional area used in high-energy physics
Barrel (unit)
Unit of volume with different values
Baud
Unit of measurement in telecommunications
Becquerel
SI derived unit of radioactivity
Biblical mile
General overview of a "biblical mile" as described in Jewish law and religion
Bismuth titanate
Chemical compound
Bit
Multiple of the unit bit
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
Bit
Unit of information
British thermal unit
Unit of energy
Brix
Sugar content of an aqueous solution
Bushel
Unit of volume with numerous different definitions
Butt (unit)
Unit of volume with different values
Byte
Unit of digital information, usually 8 bits
Byte (magazine)
Defunct American microcomputer magazine
Cable length
Unit of length
Calorie
Unit of energy used in nutrition
Candela
SI unit of luminous intensity
Candlepower
Unit of measurement
Carucate
Medieval land unit from England and Scotland
Celsius
Scale and unit of measurement for temperature
Centimetre
Unit of length
Century
Unit of time lasting 100 years
Chain (unit)
Unit of length
Cologne mark
European unit of mass, equal to approximately 233.856 grams
Cord (unit)
Unit of volume of wood
Cubic centimetre
Unit of volume
Cubic foot
Imperial and US customary (non-metric) unit of volume
Cubic inch
Unit of volume
Cubic metre
SI derived unit of volume
Cubic metre per second
SI unit of volumetric flow rate
Cubic mile
Rarely used unit of volume
Cubic yard
Imperial / U.S. customary unit of volume
CUBIT
Multi-touch interface
Cup (unit)
Cooking measure of volume
Curie (unit)
Non-SI unit of radioactivity
Dalton (unit)
Standard unit of mass for atomic-scale chemical species
Day
Unit of time
Day's journey
Nonstandard measurement of distance
Decade
Period of 10 years
Decibel
Logarithmic unit expressing the ratio of a physical quantity
Degree (angle)
Angle unit; π/180 radians
Dessert spoon
Spoon designed specifically for eating dessert
Digit (unit)
Unit of length
Dozen
Group of twelve items
Dram (unit)
Unit of mass or volume in different systems
Drop (unit)
Unit of measure of volume used when dispensing drugs
Dyne
Unit of force
Earth mass
Unit of mass equal to that of Earth
Electron
Subatomic particle with negative electric charge (−1)
Electronvolt
Unit of energy
Ell
Unit of length
English wine cask units
Traditional volume measurement units for wine
Enzyme unit
Unit of catalytic activity; one micromole per minute; 16.66… nanokatals
Epoch
Reference point from which time is measured
Era
Span of time that defined for the purposes of chronology or historiography
Erg
Unit of energy and mechanical work
Eternity
Endless time, an infinite duration
Fahrenheit
Temperature scale
Farad
SI unit of electric capacitance
Fathom
Unit of length in the old imperial and the U.S. customary systems
Femtometre
Unit of length
Femtosecond
One quadrillionth of a second
Finger (unit)
Unit of length
Flick (time)
Unit of time used in audio/video timing cacluations
Fluid ounce
Set of units of volume
Foot (unit)
Customary unit of length
Foot per second
Unit of speed
Foot-pound (energy)
Unit of energy
Fortnight
Time period of two weeks
Furlong
Unit of length equal to 660 feet or about 201 metres
Gal (unit)
Centimeter–gram–second unit of acceleration
Gallon
Units of volume
Gauss (unit)
Unit of magnetic induction
Gigabyte
Unit of information
Gill (unit)
Unit of volume with different values
Gradian
Unit of measurement of an angle, equal to 1/400th of a circle
Grain (unit)
Unit of mass
Gram per cubic centimetre
SI unit of density
Gramin Agriculture Markets
Gray (unit)
SI derived unit of absorbed dose of ionizing radiation
Gross (unit)
Group of 144; a dozen dozen
Hand (unit)
Unit of length
Hartree
Atomic unit of energy
Hectare
Metric unit of area
Height above mean sea level
Elevation of a location above a standardized sea level
Henry (unit)
SI unit of inductance
Hertz
SI unit for frequency
Hide (unit)
Historical unit of land measurement
Hogshead
Unit of volume
Horsepower
Unit of power with different values
Hour
Unit of time equal to 60 minutes
Hundred (county division)
Geographical administrative division
Hundredweight
Unit of weight or mass, with differing values
Imperial units
System of units that were implemented on 1 January 1826 in the British Empire
Inch
Unit of length
Inverse second
SI unit of reciprocal duration
Jansky
Unit of spectral flux density (radio astronomy); 0.01 yoctowatt per square metre hertz
Joule
SI unit of energy
Joule-second
SI unit of action
Jupiter mass
Mass of planet Jupiter, used as unit of weight
Katal
SI derived unit of catalytic activity
Kelvin
SI unit of temperature
Kilobyte
Multiple of the unit byte
Kilogram
Metric unit of mass
Kilogram per cubic metre
SI derived unit of density
Kilogram-force
Unit of force in gravitational metric system; weight of one kilogram of mass in standard Earth gravity
Kilometre
Unit of length equal to 1,000 metres
Kilometres per hour
Unit of speed
Kilowatt-hour
Unit of energy
Knight's fee
Feudal unit measure of land
Knot (unit)
Unit of speed
League (unit)
Unit of length
Light-year
Unit of length, the distance that light travels in one year; ~10^13 km
Line (unit)
English unit of length
Link (unit)
Unit of length
Litre
Unit of volume
Long ton
Unit of mass used in many Commonwealth countries and the United States
Lot (weight)
Unit of mass
Lumen (unit)
SI derived unit of luminous flux
Lunar distance
Distance from center of Earth to center of Moon
Lustrum
Unit of time, usually a five year period
LUX
Gene of the species Arabidopsis thaliana
Mark (unit)
Unit of mass for gold and silver
Mass fraction (chemistry)
Fraction of one substance's mass to the mass of the total mixture
Maxwell (unit)
Compound derived CGS unit of magnetic flux; equals 10 nanowebers
Megabyte
Multiple of the unit byte
Metre
SI unit of length
Metre per second
SI derived unit of speed and velocity
Metre per second squared
SI derived unit of acceleration
Microgram
Unit of mass, 1 millionth of a gram
Micrometre
Unit of Length: one millionth of a metre
Microsecond
One millionth of a second
Mile
Unit of length
Miles per hour
Unit of speed
Millennium
Time period of 1000 years
Millimetre
Unit of length 1/1000 of a metre
Millimetre of mercury
Manometric unit of pressure
Milliradian
Angular measurement, thousandth of a radian
Millisecond
One thousandth of a second
Minim (unit)
Unit of volume
Minute
Unit of time equal to 60 seconds
Minute and second of arc
Units for measuring angles
Molality
Amount of substance of solute divided by the mass of the solvent
Molar concentration
Measure of the concentration of a solute in a solution, or of any chemical species, in terms of amount of substance in a given volume; most commonly expressed in units of moles of solute per litre of solution
Mole (unit)
SI unit of amount of substance
Mole fraction
The proportion of a constituent to the total amount of all constituents in a mixture, expressed in mol/mol
Moment (unit)
Medieval unit of time
Month
Unit of time
Nail (unit)
Unit of cloth measurement
Nanometre
Unit of length
Nanosecond
Unit of time
Nat (unit)
Logarithmic unit of information
Nautical mile
Unit of distance (1852 m)
Neper
Logarithmic unit for ratios of measurements of physical field and power quantities
Newton (unit)
Unit of force in physics
Newton-metre
SI unit of torque
Newton-second
SI derived unit of impulse
Ohm
SI derived unit of electrical resistance
Olympiad
Period of four years associated with the Olympic Games of the Ancient Greeks
Ounce
Unit of mass
Oxgang
Old English and Scottisch land measurement
Palm (unit)
Anthropic unit of length, based on the width of the human palm and then variously standardized
PARSEC
Software package for performing electronic structure calculations of solids and molecules using density functional theory
Pascal (unit)
SI derived unit of pressure
Peck
Unit of volume with different values
Pennyweight
Unit of mass
Perm (unit)
Unit of permeance
Pica (typography)
Unit of length
Picometre
Unit of length (10^-12 meters)
Picosecond
One trillionth of a second
Pinch (unit)
Amount that can be taken between the thumb and forefinger
Pint
Unit of volume in the imperial and US systems
Point (typography)
Measurement unit used in typography
Poise (unit)
CGS unit of dynamic viscosity equal to 1 g/(cm·s)
Pound (force)
Unit in some systems of measurement
Pound (mass)
Unit of mass
Pound per square inch
Unit of pressure or stress
Pound sterling
Unit of account in Anglo-Saxon England
Puncheon (unit)
Unit of volume
Quart
Unit of volume with different values
Rad (radiation unit)
Non-SI unit measuring absorbed dose of ionizing radiation
Radian
SI derived unit of angle
Radian per second
SI unit of angular velocity or angular frequency
Rankine scale
Absolute temperature scale using Fahrenheit degrees
Relative density
Ratio of the density (mass per volume) of a substance to the density of a given reference material
Revolutions per minute
Number of rotations around a fixed axis in one minute
Reyn
Unit of dynamic viscosity
Rod (unit)
Unit of length
Roentgen (unit)
Legacy unit of measurement for the kerma of X-rays and gamma rays up to 3 MeV; equals 0.258 mC/kg
Rood (unit)
English unit of length or area
Rundlet
Sack (unit)
Traditional unit of mass or volume
Sarpler
Second
SI unit of time
Shaftment
Obsolete unit of measurement
Shake (unit)
Informal unit of time equal to 10 nanoseconds
Shannon (unit)
Unit of information
Short ton
Unit of mass
Siemens (unit)
SI unit of electric conductance
Sievert
SI unit of equivalent dose of ionizing radiation
Slug (unit)
Unit of mass
Solar luminosity
Unit of light in stars and galaxies
Solar mass
Standard unit of mass in astronomy
Solar radius
Unit of measurement
Span (unit)
Unit of length
Square degree
Unit of solid angle; (π/180)² steradians
Square foot
Imperial unit and U.S. customary unit of area
Square inch
Unit of area
Square kilometre
Unit of area
Square metre
SI-derived unit of area
Square mile (disambiguation)
Topics referred to by the same term
Square yard
Unit of area
Stadion (unit)
Ancient Greek unit of length
Standard atmosphere (unit)
Unit of pressure defined as 101325 Pa
Standard gravity
Standard gravitational acceleration on Earth
Statcoulomb
CGS unit of electric charge
Steradian
SI derived unit of solid angle
Stere
Metric unit of volume defined as one cubic metre (1 m³) of stacked firewood
Stone (unit)
Unit of measure equal to 14 pounds avoirdupois
Tablespoon
Kind of spoon and unit of volume
Teaspoon
Kind of spoon
Tesla (unit)
SI unit of magnetic field strength
Tierce (unit)
TNT equivalent
Class of units of measurement for explosive energy
Ton (disambiguation)
Topics referred to by the same term
Tonne
Metric unit of mass equivalent to 1,000 kilograms
Torr
Traditional unit of pressure
Tun (unit)
English unit of liquid volume
UA4 experiment
Particle physics experiment at CERN
Virgate
English unit of land
Volt
SI derived unit of voltage
Volume fraction
Dimensionless quantity
WATT
Radio station in Cadillac, Michigan
Weber (unit)
SI derived unit of magnetic flux
Week (disambiguation)
Topics referred to by the same term
Yard
Unit of length
Year
Recurrent cycle of significant duration