| |||

## Time | ||
---|---|---|

## Characteristic | ## atomic-unit-of-time | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 2.4188843266×10-17 seconds | |||

## Standard Uncertainty |
± 4.7×10-29 seconds | |||

## Metric (SI) Dimensions | time |

## Characteristic | ## blink | ## Notes |
||
---|---|---|---|---|

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

## Metric (SI) Dimensions |
time |

## Characteristic | ## day |
## Notes | ||
---|---|---|---|---|

## Symbol | d | |||

## Metric (SI) Equivalent | 86400 seconds | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | time | |||

## Description in Terms of Other Units and Constants | 24 hours |

## Characteristic | ## hour | ## Notes | ||
---|---|---|---|---|

## Symbol |
h | |||

## Other Name | hr | |||

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

## Another Metric (SI) Equivalent with More Basic Units |
3600 seconds | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | time | |||

## Description in Terms of Other Units and Constants | 60 minutes |

## Characteristic | ## minute | ## Notes | ||
---|---|---|---|---|

## Symbol | min | |||

## Other Name | mn | |||

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

## Another Metric (SI) Equivalent with More Basic Units | This equivalent is calculated from exact values. | |||

## Metric (SI) Dimensions | time | |||

## Description in Terms of Other Units and Constants | 60 seconds |

## Characteristic | ## natural-unit-of-time | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 1.2880886682×10-21 seconds | |||

## Standard Uncertainty | ± 3.9×10-31 seconds | |||

## Metric (SI) Dimensions | time |

## Characteristic | ## Planck-time | ## Notes | ||
---|---|---|---|---|

## Symbol | tP | Use "t-P" for our conversion calculators. | ||

## Metric (SI) Equivalent |
5.391247×10-44 seconds | |||

## Standard Uncertainty | ± 6×10-49 seconds | |||

## Metric (SI) Dimensions | time |

## Characteristic | ## second | ## Notes | ||
---|---|---|---|---|

## Symbol | s | |||

## Other Names | sec, seconde | |||

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

## Metric (SI) Dimensions | time |

## Characteristic | ## shake | ## Notes | ||
---|---|---|---|---|

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

## Metric (SI) Dimensions | time |

## Characteristic | ## svedberg | ## Notes | ||
---|---|---|---|---|

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

## Metric (SI) Dimensions | time |

## Characteristic | ## week | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 6.048×105 seconds | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | time | |||

## Description in Terms of Other Units and Constants |
7 days |

## Characteristic | ## year |
## Notes | ||
---|---|---|---|---|

## Symbol | y | |||

## Other Names | yr, a | |||

## Metric (SI) Equivalent | 3.15576×107 seconds | This equivalent is calculated from exact values. | ||

## Metric (SI) Dimensions | time | |||

## Description in Terms of Other Units and Constants | 365.25 days |