Measured Dimension Of An Object In A Physical Space

Bohr Radius | a₀ | Physical Constant; The Most Probable Distance Between An Electron And The Nucleus In A Nonrelativistic Model Of The Hydrogen Atom With Infinitely Heavy Nucleus |
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Ångström | Å | Unit Of Length; Equals 0.1 Nanometre |

Picometer | pm | Si Unit Of Length |

Foot | ft | Unit Of Length |

Astronomical Unit | AU | Mean Distance Between Earth And The Sun, Common Length Reference In Astronomy |

Centimeter | cm | Unit Of Length Equal To 1/100 Of A Metre |

Chain | ch | Unit Of Length |

Decimeter | dm | Length Unit Equal To One Tenth Of A Meter |

Fathom | Unit Of Length In The Old Imperial And The U.s. Customary Systems | |

Furlong | fur | Unit Of Length |

Inch | in | Unit Of Length |

Kilometer | km | Unit Of Length Equal To 1,000 Meters |

League | Unit Of Length | |

Light-Year | ly | Unit Of Length Used To Express Astronomical Distances, Defined As The Distance That Light Travels In A Vacuum In One Year |

Meter | m | Si Unit Of Length |

Mile | mi | Unit Of Length |

Millimeter | mm | Unit Of Length 1/1000Th Of A Metre |

Micrometer | μm | One Millionth Of A Metre |

Nanometer | nm | Unit Of Length |

Nautical Mile | nmi | Unit Of Distance (1852 M) |

Parsec | pc | Unit Of Length Used In Astronomy |

Rod | Unit Of Length | |

Yard | yd | Unit Of Length |