Units of measurement ontology

Metrical units for use in conjunction with PATO

  Roentgen equivalent man
  absorbance unit
  acre
  ampere
  angstrom
  attomole
  bar
  base pair
  becquerel
  bit
  byte
  cable
  candela
  candela per square meter
  cells per milliliter
  centiMorgan
  centiRay
  centigray
  centigray per minute
  centimeter
  century
  chain
  chroma sampling unit
  colony forming unit
  colony forming unit per milliliter
  confluence percentage
  coulomb
  count per molar
  count per molar second
  count per nanomolar
  count per nanomolar second
  counts per minute
  cubic centimeter
  cubic centimeter per mole
  cubic decimeter
  cubic meter
  cubic meter per kilogram
  cubic meter per mole
  curie
  dalton
  day
  decibel
  deciliter
  degree
  degree Celsius
  degree Fahrenheit
  disintegrations per minute
  disintegrations per second
  dosage unit
  dots per inch
  drachm
  dynamic range unit
  dyne per cm
  effective dose unit
  einstein per square meter per second
  electronvolt
  enzyme unit
  fathom
  femtogram
  femtoliter
  femtomolar
  femtomole
  fluid ounce
  foot
  foot candle
  furlong
  gallon
  giga base pair
  gigaelectronvolt
  gigaelectronvolt per nucleon
  gill
  grain
  gram
  gram per cubic centimeter
  gram per deciliter
  gram per liter
  gram per milliliter
  gram per mole
  gram per square meter
  gray
  gray per minute
  half life
  hectare
  hertz
  hour
  hundredweight
  inch
  joule
  katal
  katal per cubic meter
  katal per liter
  kelvin
  kibibyte
  kilobyte
  kilodalton
  kiloelectronvolt per micron
  kilogram
  kilogram meter per second
  kilogram per cubic meter
  kilogram per hectare
  kilogram per liter
  kilogram per meter
  kilogram per mole
  kilogram per square meter
  kilometer
  kilometer per hour
  kilovolt
  kilovolt-hour
  kilowatt-hour
  large calorie
  league
  liter
  liter per kilogram
  lumen
  lux
  maritime length unit
  mass per unit volume
  mass percentage
  mass volume percentage
  mebibyte
  mega base pair
  megaHertz
  megabyte
  megaelectronvolt per nucleon
  megavolt
  meter
  meter per second
  meter per second per second
  microampere
  microcurie
  microeinstein per square meter per second
  microgram
  microgram per deciliter
  microgram per liter
  microgram per milliliter
  micrograms per wheaton bottle
  microgray
  microliter
  microliter per kilogram
  microliters per minute
  micrometer
  micromolal
  micromolar
  micromole
  micromole
  micromole per kilogram
  micromole per litre
  micron pixel
  microsecond
  microsievert
  microvolt
  mile
  milli
  milliampere
  millicurie
  milligram
  milligram per deciliter
  milligram per kilogram
  milligram per kilogram per day
  milligram per liter
  milligram per milliliter
  milligram per square meter
  milligray
  milligray per day
  milligray per hour
  milligray per minute
  milligray per second
  milliliter
  milliliter per cubic meter
  milliliter per kilogram
  milliliter per liter
  millimeter
  millimeters per day
  millimetres of mercury
  millimolal
  millimolar
  millimole
  millisecond
  millisiemens
  millisievert
  milliunits per milliliter
  millivolt
  minute
  molal
  molar
  mole
  mole fraction
  molecule count
  month
  nanogram
  nanogram per microliter
  nanogram per milliliter
  nanogray
  nanoliter
  nanometer
  nanomolal
  nanomolar
  nanomole
  nanosecond
  nanosievert
  nanovolt
  nautical mile
  newton
  newton per meter
  normal
  ounce
  pH
  parts per billion
  parts per hundred
  parts per million
  parts per quadrillion
  parts per thousand
  parts per trillion
  pascal
  pascal second
  perch
  pi
  picoampere
  picogram
  picoliter
  picometer
  picomolal
  picomolar
  picomole
  picosecond
  picovolt
  pint
  pixels per inch
  pixels per millimeter
  plaque forming unit
  plaque forming unit per milliliter
  poise
  pound
  purity percentage
  quart
  quarter
  rad
  radian
  radian per second
  radian per second per second
  relative fluorescence unit
  relative light unit
  relative luminescence unit
  roentgen
  rood
  second
  siemens
  sievert
  slug
  square centimeter
  square meter
  square micrometer
  square millimeter
  steradian
  stone
  teaspoon
  tesla
  thou
  ton
  turns per second
  unit per liter
  unit per milliliter
  volt
  volt per meter
  volt-hour
  volume percentage
  watt
  watt per meter kelvin
  watt per square meter
  watt per steradian
  watt per steradian per square meter
  watt-hour
  weber
  week
  yard
  year

Ontology information

Ontology ID: uo
Version: 2026-01-16
Number of terms: 574
Last loaded: Fri Feb 06 09:23:37 GMT 2026