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# Convert Kilocalorie (th) to Attojoule

Please provide values below to convert kilocalorie (th) [kcal (th)] to attojoule [aJ], or *vice versa*.

### Kilocalorie (th) to Attojoule Conversion Table

Kilocalorie (th) [kcal (th)] | Attojoule [aJ] |
---|---|

0.01 kcal (th) | 4.184E+19 aJ |

0.1 kcal (th) | 4.184E+20 aJ |

1 kcal (th) | 4.184E+21 aJ |

2 kcal (th) | 8.368E+21 aJ |

3 kcal (th) | 1.2552E+22 aJ |

5 kcal (th) | 2.092E+22 aJ |

10 kcal (th) | 4.184E+22 aJ |

20 kcal (th) | 8.368E+22 aJ |

50 kcal (th) | 2.092E+23 aJ |

100 kcal (th) | 4.184E+23 aJ |

1000 kcal (th) | 4.184E+24 aJ |

### How to Convert Kilocalorie (th) to Attojoule

1 kcal (th) = 4.184E+21 aJ

1 aJ = 2.3900573613767E-22 kcal (th)

**Example:** convert 15 kcal (th) to aJ:

15 kcal (th) = 15 × 4.184E+21 aJ = 6.276E+22 aJ