# Vocabulary

## Units of measure dimensions

URI | http://vocab.nerc.ac.uk/collection/P24/current/ |
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Description | Classification concepts for units of measure based upon the fundamental SI quantities upon which they are based. |

Creator | British Oceanographic Data Centre |

Modified | 2024-05-11 |

Version Info | 18 |

Identifier | P24 |

Register Manager | British Oceanographic Data Centre |

Register Owner | British Oceanographic Data Centre |

License | https://creativecommons.org/licenses/by/4.0/ |

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### Members

ID ↑ | Preferred Label ↑ | Definition ↑ | Date ↑ |
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PERMOLPVOL | /[amount of substance]/[length*length*length] | Per the fundamental dimension of amount of substance per the cube of the fundamental dimension of length known as volume. | 2019-02-10 |

PERVOL | /[length*length*length] | Per the cube of the fundamental dimension of length known as volume | 2011-11-18 |

PERTIMEVOL | /[length*length*length]*[time] | Per the cube of the fundamental dimension of length known as volume, times the fundamental dimension of time. | 2022-11-15 |

PERVOLPERTIME | /[length*length*length]/[time] | Per the cube of the fundamental dimension of length known as volume per the fundamental dimension of time. | 2019-02-08 |

PERAREA | /[length*length] | Per the square of the fundamental dimension of length known as area | 2011-11-18 |

PERAREAPERTIME | /[length*length]/[time] | Per the square of the fundamental dimension of length known as area per the fundamental dimension of time. | 2019-02-08 |

PERLENGTH | /[length] | Per the fundamental dimension of length. | 2019-02-08 |

PERLENGTHPERLENGTH | /[length]/[length] | Per the fundamental dimension of length per the fundamental dimension of length. | 2019-02-08 |

PERLENGTHPERTIME | /[length]/[time] | Per the fundamental dimension of length per the fundamental dimension of time. | 2019-02-08 |

PERMASS | /[mass] | Per the fundamental dimension of heaviness. | 2019-01-20 |

PERTIME | /[time] | Per the fundamental dimension of time | 2011-11-18 |

SIEMPM | [[[time*time*time]*[electric current*electric current]]/[[mass]*[length*length]]]/[length] | The base units for electrical conductity in the International System of Units (BIPM). | 2024-05-10 |

POWAREA | [[mass]*[length*length]/[time*time*time]]/[length*length] | Energy (mass per unit are per unit time squared) per unit time (known as power) per unit area. | 2012-06-12 |

MOL | [amount of substance] | The fundamental dimension of amount of substance. | 2019-02-10 |

MOLPTIME | [amount of substance]*[time] | The fundamental dimension of amount of substance times the fundamental dimension of time. | 2022-11-15 |

MOLPMOL | [amount of substance]/[amount of substance] | The fundamental dimension of amount of substance per the fundamental dimension of amount of substance. | 2022-10-10 |

MOLPVOL | [amount of substance]/[length*length*length] | The fundamental dimension of amount of substance per the cube of the fundamental dimension of distance known as volume | 2022-11-15 |

MOLPVOLPTIME | [amount of substance]/[length*length*length]/[time] | The fundamental dimension of amount of substance per the cube of the fundamental dimension of length (known as volume) per time. | 2019-02-10 |

MOLPAREA | [amount of substance]/[length*length] | The fundamental dimension of amount of substance per the square of the fundamental dimension of distance known as area. | 2022-11-15 |

MOLPAREAPTIME | [amount of substance]/[length*length]/[time] | The fundamental dimension of amount of substance per the square of the fundamental dimension of length (known as area) per time. | 2019-02-10 |

MOLPMASS | [amount of substance]/[mass] | The fundamental dimension of amount of substance per the fundamental dimension of heaviness | 2022-11-15 |

MOLPMASSPTIME | [amount of substance]/[mass]/[time] | The fundamental dimension of amount of substance per the fundamental dimension of heaviness per the fundamental dimension of time. | 2022-11-15 |

DIMLESS | [dimensionless] | The concept of dimension does not apply | 2011-11-18 |

A | [electric current] | The fundamental dimension of electric current. | 2024-03-13 |

VOL | [length*length*length] | The cubeof the fundamental dimension of distance known as volume | 2011-11-18 |

VOLVOL | [length*length*length]/[length*length*length] | The cube of the fundamental dimension of distance known as volume per the cube of the fundamental dimension of distance. | 2019-02-08 |

VOLPERMASS | [length*length*length]/[mass] | The cube of the fundamental dimension of distance known as volume per the fundamental dimension of heaviness. | 2019-02-08 |

AREA | [length*length] | The square of the fundamental dimension of distance known as area | 2011-11-18 |

AREAPERTIME | [length*length]/[time] | The square of the fundamental dimension of distance known as area per the fundamental dimension of time | 2012-07-25 |

LENGTH | [length] | Fundamental dimension of distance | 2011-10-26 |

SPEED | [length]/[time] | Fundamental dimension of distance per fundamental dimension of time known as speed | 2011-11-18 |

NMASS | [mass] | The fundamental dimension of heaviness | 2011-11-18 |

POWER | [mass]*[length*length]/[time*time*time] | The fundamental dimension of power (mass per unit area per unit time cubed). | 2024-03-13 |

ENERGY | [mass]*[length*length]/[time*time] | The fundamental dimension of energy (mass per unit area per unit time squared). | 2024-03-13 |

MSPVOL | [mass]/[length*length*length] | The fundamental dimension of heaviness per the cube of the fundamental dimension of distance known as volume | 2011-11-18 |

MSPVOLTIME | [mass]/[length*length*length]/[time] | The fundamental dimension of heaviness per the cube of the fundamental dimension of distance known as volume per the fundamental dimension of time. | 2021-04-11 |

MSPAREA | [mass]/[length*length] | The fundamental dimension of heaviness per the square of the fundamental dimension of distance known as area | 2011-11-18 |

MSPAREATIME | [mass]/[length*length]/[time] | The fundamental dimension of heaviness per the square of the fundamental dimension of distance known as area per the fundamental dimension of time. | 2021-04-11 |

FORCEPAREA | [mass]/[length]/[time*time] | The fundamental dimension of heaviness per the fundamental dimension of length per the square of the fundamental dimension of time. | 2022-10-10 |

MPERLPERT | [mass]/[length]/[time] | The fundamental dimension of heaviness per the fundamental dimension of distance per the fundamental dimension of time. | 2020-01-20 |

NASSMASS | [mass]/[mass] | The fundamental dimension of heaviness per fundamental dimension of heaviness | 2011-11-18 |

MSPRTMSQ | [mass]/[time*time] | Fundamental dimension of mass per unit time squared. | 2018-07-03 |

RAD | [radian] | The fundamental dimension of the amount of angular displacement | 2020-04-07 |

RADPERL | [radian]/[length] | The fundamental dimension of the amount of angular displacement per the fundamental dimension of length. | 2020-09-04 |

KELVIN | [temperature] | The fundamental dimension of the amount of hotness | 2011-11-18 |

TIME | [time] | The fundamental dimension of time | 2013-01-29 |

TIMEPERLENGTH | [time]/[length] | Fundamental dimension of time per the fundamental dimension of length. | 2018-07-10 |