## Calories (15 °C, NBS 1939)

The National Bureau of Standards (NBS, now known as The National Institute of Standards and Technology) defined the cal15 as being the ammount of energy needed to warm 1g of water from 14.5°C to 15.5°C

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Btu (I.T.) =

cal(NBS) * 0.0039674

The National Bureau of Standards (NBS, now known as The National Institute of Standards and Technology) defined the cal15 as being the ammount of energy needed to warm 1g of water from 14.5°C to 15.5°C

Btu (I.T.) =

cal(NBS) * 0.0039674

One BTU (IT) was defined by the Fifth International Conference on the Properties of Steam to be exactly 4.1868 J

Calories (15 °C, NBS 1939) | Btu (I.T.) |
---|---|

0cal(NBS) | 0.00Btu (I.T.) |

1cal(NBS) | 0.00Btu (I.T.) |

2cal(NBS) | 0.01Btu (I.T.) |

3cal(NBS) | 0.01Btu (I.T.) |

4cal(NBS) | 0.02Btu (I.T.) |

5cal(NBS) | 0.02Btu (I.T.) |

6cal(NBS) | 0.02Btu (I.T.) |

7cal(NBS) | 0.03Btu (I.T.) |

8cal(NBS) | 0.03Btu (I.T.) |

9cal(NBS) | 0.04Btu (I.T.) |

10cal(NBS) | 0.04Btu (I.T.) |

11cal(NBS) | 0.04Btu (I.T.) |

12cal(NBS) | 0.05Btu (I.T.) |

13cal(NBS) | 0.05Btu (I.T.) |

14cal(NBS) | 0.06Btu (I.T.) |

15cal(NBS) | 0.06Btu (I.T.) |

16cal(NBS) | 0.06Btu (I.T.) |

17cal(NBS) | 0.07Btu (I.T.) |

18cal(NBS) | 0.07Btu (I.T.) |

19cal(NBS) | 0.08Btu (I.T.) |

Calories (15 °C, NBS 1939) | Btu (I.T.) |
---|---|

20cal(NBS) | 0.08Btu (I.T.) |

21cal(NBS) | 0.08Btu (I.T.) |

22cal(NBS) | 0.09Btu (I.T.) |

23cal(NBS) | 0.09Btu (I.T.) |

24cal(NBS) | 0.10Btu (I.T.) |

25cal(NBS) | 0.10Btu (I.T.) |

26cal(NBS) | 0.10Btu (I.T.) |

27cal(NBS) | 0.11Btu (I.T.) |

28cal(NBS) | 0.11Btu (I.T.) |

29cal(NBS) | 0.12Btu (I.T.) |

30cal(NBS) | 0.12Btu (I.T.) |

31cal(NBS) | 0.12Btu (I.T.) |

32cal(NBS) | 0.13Btu (I.T.) |

33cal(NBS) | 0.13Btu (I.T.) |

34cal(NBS) | 0.13Btu (I.T.) |

35cal(NBS) | 0.14Btu (I.T.) |

36cal(NBS) | 0.14Btu (I.T.) |

37cal(NBS) | 0.15Btu (I.T.) |

38cal(NBS) | 0.15Btu (I.T.) |

39cal(NBS) | 0.15Btu (I.T.) |

Calories (15 °C, NBS 1939) | Btu (I.T.) |
---|---|

40cal(NBS) | 0.16Btu (I.T.) |

41cal(NBS) | 0.16Btu (I.T.) |

42cal(NBS) | 0.17Btu (I.T.) |

43cal(NBS) | 0.17Btu (I.T.) |

44cal(NBS) | 0.17Btu (I.T.) |

45cal(NBS) | 0.18Btu (I.T.) |

46cal(NBS) | 0.18Btu (I.T.) |

47cal(NBS) | 0.19Btu (I.T.) |

48cal(NBS) | 0.19Btu (I.T.) |

49cal(NBS) | 0.19Btu (I.T.) |

50cal(NBS) | 0.20Btu (I.T.) |

51cal(NBS) | 0.20Btu (I.T.) |

52cal(NBS) | 0.21Btu (I.T.) |

53cal(NBS) | 0.21Btu (I.T.) |

54cal(NBS) | 0.21Btu (I.T.) |

55cal(NBS) | 0.22Btu (I.T.) |

56cal(NBS) | 0.22Btu (I.T.) |

57cal(NBS) | 0.23Btu (I.T.) |

58cal(NBS) | 0.23Btu (I.T.) |

59cal(NBS) | 0.23Btu (I.T.) |