| |||

## Mass | ||
---|---|---|

## Characteristic | ## bag-cement | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 42.63768278 kilograms |
This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 94 pounds-mass |

## Characteristic | ## barrel-cement | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 170.55073112 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 376 pounds-mass |

## Characteristic | ## carat( Used for gemstone measurements ) | ## Notes | ||
---|---|---|---|---|

## Symbol | ct | |||

## Other Name | metric-carat | |||

## Metric (SI) Equivalent | 0.2 grams |
This equivalent and the one below are exact. | ||

## Another Metric (SI) Equivalent with More Basic Units | 2×10-4 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## dram-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | drm | |||

## Other Names | dr, dr-avdp, dram, dram-avoirdupois, drachm, drachm-avoirdupois | |||

## Metric (SI) Equivalent | 1.7718451953 grams | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 0.0017718451953 kilograms | |||

## Metric (SI) Dimensions |
mass | |||

## Description in Terms of Other Units and Constants | pound-mass / 256 | |||

## Unit Group |

## Characteristic | ## dram-mass-troy | ## Notes | ||
---|---|---|---|---|

## Other Names | drm-troy, dr-troy, dr-ap, dram-troy, dram-apothecaries, drachm-troy, drachm-apothecaries |
|||

## Metric (SI) Equivalent | 3.8879346 grams |
This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 0.0038879346 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | pound-mass-troy / 96 | |||

## Unit Group |

## Characteristic |
## electron-mass | ## Notes | ||
---|---|---|---|---|

## Symbol |
me | Use "m-e" for our conversion calculators. | ||

## Other Names | natural-unit-of-mass, atomic-unit-of-mass | |||

## Metric (SI) Equivalent | 9.10938291×10-31 kilograms | |||

## Standard Uncertainty | ± 4×10-38 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## electron-molar-mass | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 5.4857990946×10-7 kilograms | |||

## Standard Uncertainty | ± 2.2×10-16 kilograms | |||

## Metric (SI) Dimensions |
mass |

## Characteristic | ## gamma-mass |
## Notes | ||
---|---|---|---|---|

## Other Name | gamma | |||

## Metric (SI) Equivalent |
This equivalent and the one below are exact. | |||

## Another Metric (SI) Equivalent with More Basic Units | 1×10-9 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## grain-mass( Apothecaries, avoirdupois, and troy unit ) | ## Notes | ||
---|---|---|---|---|

## Symbol | grm | |||

## Metric (SI) Equivalent | This equivalent and the one below are exact. | |||

## Another Metric (SI) Equivalent with More Basic Units | 6.479891×10-5 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## gram | ## Notes | ||
---|---|---|---|---|

## Symbol | g | |||

## Other Names | gm, gramme | |||

## Metric (SI) Equivalent | gram is a metric unit | |||

## Another Metric (SI) Equivalent with More Basic Units |
0.001 kilograms | This equivalent is exact. | ||

## Metric (SI) Dimensions | mass |

## Characteristic | ## hundredweight( Used in the United States ) | ## Notes | ||
---|---|---|---|---|

## Symbol |
cwt | |||

## Other Names | hundredweight-CA, cental, cental-CA, hundredweight-short, short-hundredweight, hundredweight-net, net-hundredweight | "CA" indicates that this unit is used in Canada. | ||

## Metric (SI) Equivalent | 45.359237 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 100 pounds-mass | |||

## Unit Group |

## Characteristic | ## hundredweight-long | ## Notes | ||
---|---|---|---|---|

## Other Names | cwt-lg, hundredweight-UK, long-hundredweight, hundredweight-gross, gross-hundredweight | "UK" indicates that this unit is used in the United Kingdom. | ||

## Metric (SI) Equivalent | 50.80234544 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 112 pounds-mass |
|||

## Unit Group |

## Characteristic | ## kilogram | ## Notes | ||
---|---|---|---|---|

## Symbol | kg | |||

## Other Name | kilogramme | |||

## Metric (SI) Equivalent | kilogram is a metric unit (in fact, it is a base SI unit) | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## kip-mass | ## Notes | ||
---|---|---|---|---|

## Other Names | kip, kilopound | |||

## Metric (SI) Equivalent | 0.45359237 tons-mass-metric |
This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 453.59237 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 1000 pounds-mass |

## Characteristic | ## metric-slug | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 9.80665 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | kilogram-force / (meter / second2) | |||

## Unit Group |

## Characteristic | ## muon-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | mμ | Use "m-mu" for our conversion calculators. | ||

## Metric (SI) Equivalent | 1.883531475×10-28 kilograms | |||

## Standard Uncertainty |
± 9.6×10-36 kilograms | |||

## Metric (SI) Dimensions |
mass |

## Characteristic | ## neutron-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | mn | Use "m-n" for our conversion calculators. | ||

## Metric (SI) Equivalent | 1.674927351×10-27 kilograms | |||

## Standard Uncertainty | ± 7.4×10-35 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## neutron-molar-mass | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 0.001008664916 kilograms | |||

## Standard Uncertainty | ± 4.3×10-13 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## ounce-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | ozm | |||

## Other Names | oz, oz-avdp, ounce, ounce-avoirdupois | |||

## Metric (SI) Equivalent | 28.349523125 grams | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 0.028349523125 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | pound-mass / 16 | |||

## Unit Group |

## Characteristic | ## ounce-mass-troy |
## Notes | ||
---|---|---|---|---|

## Other Names |
ozm-troy, oz-troy, oz-ap, ounce-troy, ounce-apothecaries | |||

## Metric (SI) Equivalent | 31.1034768 grams | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 0.0311034768 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | pound-mass-troy / 12 | |||

## Unit Group |

## Characteristic | ## pennyweight( Troy unit ) |
## Notes | ||
---|---|---|---|---|

## Symbol | dwt | |||

## Metric (SI) Equivalent | 1.55517384 grams | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 0.00155517384 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 24 grains-mass |

## Characteristic | ## Planck-mass | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 2.17651×10-8 kilograms | |||

## Standard Uncertainty |
± 1.3×10-12 kilograms | |||

## Metric (SI) Dimensions |
mass |

## Characteristic | ## point-mass( Used for gemstone measurements ) | ## Notes | ||
---|---|---|---|---|

## Other Name |
point | |||

## Metric (SI) Equivalent | This equivalent and the one below are exact. | |||

## Another Metric (SI) Equivalent with More Basic Units | 2×10-6 kilograms | |||

## Metric (SI) Dimensions |
mass |

## Characteristic | ## pound-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | lbm | |||

## Other Names | lb, lb-avdp, pound, pound-avoirdupois | |||

## Metric (SI) Equivalent | 0.45359237 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 7000 grains-mass | |||

## Unit Group |

## Characteristic | ## pound-mass-troy |
## Notes | ||
---|---|---|---|---|

## Other Names |
lbm-troy, lb-troy, lb-ap, pound-troy, pound-apothecaries | |||

## Metric (SI) Equivalent | 0.3732417216 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 5760 grains-mass | |||

## Unit Group |

## Characteristic | ## proton-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | mp | Use "m-p" for our conversion calculators. | ||

## Metric (SI) Equivalent | 1.672621777×10-27 kilograms | |||

## Standard Uncertainty | ± 7.4×10-35 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## proton-molar-mass | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 0.0010072764668 kilograms | |||

## Standard Uncertainty |
± 9×10-14 kilograms | |||

## Metric (SI) Dimensions | mass |

## Characteristic | ## quarter-mass( Used in the United States ) | ## Notes | ||
---|---|---|---|---|

## Symbol | qrm | |||

## Other Names | quarter, qr | |||

## Metric (SI) Equivalent | 11.33980925 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants |
25 pounds-mass | |||

## Unit Group |

## Characteristic | ## quarter-mass-long | ## Notes | ||
---|---|---|---|---|

## Other Names | qrm-lg, quarter-long, long-quarter | |||

## Metric (SI) Equivalent | 254.0117272 kilograms |
This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 560 pounds-mass | |||

## Unit Group |

## Characteristic | ## quarter-mass-short( Used in the United States ) | ## Notes | ||
---|---|---|---|---|

## Other Names | qrm-sh, quarter-short, short-quarter | |||

## Metric (SI) Equivalent |
226.796185 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants |
500 pounds-mass | |||

## Unit Group |

## Characteristic | ## quarter-mass-UK( Used in the United Kingdom ) | ## Notes | ||
---|---|---|---|---|

## Other Names | qrm-UK, quarter-UK, qr-UK | |||

## Metric (SI) Equivalent | 12.70058636 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 28 pounds-mass | |||

## Unit Group |

## Characteristic | ## quintal | ## Notes | ||
---|---|---|---|---|

## Symbol | q | |||

## Metric (SI) Equivalent |
100 kilograms | This equivalent is exact. | ||

## Metric (SI) Dimensions | mass |

## Characteristic | ## scruple-mass( Apothecaries unit ) | ## Notes | ||
---|---|---|---|---|

## Symbol |
scrm | |||

## Other Names | scr, scruple | |||

## Metric (SI) Equivalent | 1.2959782 grams | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 0.0012959782 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 20 grains-mass |

## Characteristic | ## slug | ## Notes | ||
---|---|---|---|---|

## Other Names | gee-pound, g-pound | |||

## Metric (SI) Equivalent | 14.593902937 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions |
mass | |||

## Description in Terms of Other Units and Constants | pound-force / (foot / second2) | |||

## Unit Group |

## Characteristic | ## stone |
## Notes | ||
---|---|---|---|---|

## Symbol | st | |||

## Metric (SI) Equivalent | 6.35029318 kilograms | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants | 14 pounds-mass |

## Characteristic | ## tau-mass | ## Notes | ||
---|---|---|---|---|

## Symbol | mτ | Use "m-tau" for our conversion calculators. | ||

## Metric (SI) Equivalent |
3.16747×10-27 kilograms | |||

## Standard Uncertainty |
± 2.9×10-31 kilograms | |||

## Metric (SI) Dimensions |
mass |

## Characteristic | ## ton-assay( Used in the United States ) | ## Notes | ||
---|---|---|---|---|

## Symbol | AT | |||

## Other Names | assay-ton, ton-short-assay, assay-ton-short | |||

## Metric (SI) Equivalent | 0.029166666667 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Unit Group |

## Characteristic | ## ton-long-assay | ## Notes | ||
---|---|---|---|---|

## Other Names | AT-lg, assay-ton-long, ton-UK-assay, assay-ton-UK | "UK" indicates that this unit is used in the United Kingdom. | ||

## Metric (SI) Equivalent | 0.032666666667 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Unit Group |

## Characteristic | ## ton-mass( Used in the United States ) | ## Notes | ||
---|---|---|---|---|

## Symbol | tonm | |||

## Other Names |
ton-CA, ton, ton-short, short-ton, ton-net, net-ton | "CA" indicates that this unit is used in Canada. | ||

## Metric (SI) Equivalent | 0.90718474 tons-mass-metric | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 907.18474 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants |
2000 pounds-mass | |||

## Unit Group |

## Characteristic | ## ton-mass-long | ## Notes | ||
---|---|---|---|---|

## Other Names | tonm-lg, ton-UK, ton-long, long-ton, ton-gross, gross-ton | "UK" indicates that this unit is used in the United Kingdom. | ||

## Metric (SI) Equivalent | 1.0160469088 tons-mass-metric | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 1016.0469088 kilograms | |||

## Metric (SI) Dimensions | mass | |||

## Description in Terms of Other Units and Constants |
2240 pounds-mass | |||

## Unit Group |

## Characteristic | ## ton-mass-metric | ## Notes | ||
---|---|---|---|---|

## Other Names | tonm-metric, t, tonne, ton-metric, metric-ton | |||

## Metric (SI) Equivalent | ton-mass-metric is a metric unit | |||

## Another Metric (SI) Equivalent with More Basic Units | 1000 kilograms | This equivalent is exact. | ||

## Metric (SI) Dimensions | mass | |||

## Unit Group |

## Characteristic |
## unified-atomic-mass-unit | ## Notes | ||
---|---|---|---|---|

## Symbol |
u | |||

## Other Names | atomic-mass-unit, atomic-mass-constant, dalton, Da, m-u, amu | |||

## Metric (SI) Equivalent | 1.660538921×10-27 kilograms | |||

## Standard Uncertainty | ± 7.3×10-35 kilograms |
|||

## Metric (SI) Dimensions | mass |