Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956)

Btu (I.T., pre-1956) to Calories (15 °C, NBS 1939) (Swap Units)

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Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956) formula

Btu (I.T., pre-1956) =
cal(NBS) * 0.0039674
 
 
 
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More information: Calories (15 °C, NBS 1939)
More information: Btu (I.T., pre-1956)

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

 

Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956) formula

Btu (I.T., pre-1956) =
cal(NBS) * 0.0039674
 
 
 

 

Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956) table

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Calories (15 °C, NBS 1939) Btu (I.T., pre-1956)
0cal(NBS) 0.00Btu (I.T., pre-1956)
1cal(NBS) 0.00Btu (I.T., pre-1956)
2cal(NBS) 0.01Btu (I.T., pre-1956)
3cal(NBS) 0.01Btu (I.T., pre-1956)
4cal(NBS) 0.02Btu (I.T., pre-1956)
5cal(NBS) 0.02Btu (I.T., pre-1956)
6cal(NBS) 0.02Btu (I.T., pre-1956)
7cal(NBS) 0.03Btu (I.T., pre-1956)
8cal(NBS) 0.03Btu (I.T., pre-1956)
9cal(NBS) 0.04Btu (I.T., pre-1956)
10cal(NBS) 0.04Btu (I.T., pre-1956)
11cal(NBS) 0.04Btu (I.T., pre-1956)
12cal(NBS) 0.05Btu (I.T., pre-1956)
13cal(NBS) 0.05Btu (I.T., pre-1956)
14cal(NBS) 0.06Btu (I.T., pre-1956)
15cal(NBS) 0.06Btu (I.T., pre-1956)
16cal(NBS) 0.06Btu (I.T., pre-1956)
17cal(NBS) 0.07Btu (I.T., pre-1956)
18cal(NBS) 0.07Btu (I.T., pre-1956)
19cal(NBS) 0.08Btu (I.T., pre-1956)
Calories (15 °C, NBS 1939) Btu (I.T., pre-1956)
20cal(NBS) 0.08Btu (I.T., pre-1956)
21cal(NBS) 0.08Btu (I.T., pre-1956)
22cal(NBS) 0.09Btu (I.T., pre-1956)
23cal(NBS) 0.09Btu (I.T., pre-1956)
24cal(NBS) 0.10Btu (I.T., pre-1956)
25cal(NBS) 0.10Btu (I.T., pre-1956)
26cal(NBS) 0.10Btu (I.T., pre-1956)
27cal(NBS) 0.11Btu (I.T., pre-1956)
28cal(NBS) 0.11Btu (I.T., pre-1956)
29cal(NBS) 0.12Btu (I.T., pre-1956)
30cal(NBS) 0.12Btu (I.T., pre-1956)
31cal(NBS) 0.12Btu (I.T., pre-1956)
32cal(NBS) 0.13Btu (I.T., pre-1956)
33cal(NBS) 0.13Btu (I.T., pre-1956)
34cal(NBS) 0.13Btu (I.T., pre-1956)
35cal(NBS) 0.14Btu (I.T., pre-1956)
36cal(NBS) 0.14Btu (I.T., pre-1956)
37cal(NBS) 0.15Btu (I.T., pre-1956)
38cal(NBS) 0.15Btu (I.T., pre-1956)
39cal(NBS) 0.15Btu (I.T., pre-1956)
Calories (15 °C, NBS 1939) Btu (I.T., pre-1956)
40cal(NBS) 0.16Btu (I.T., pre-1956)
41cal(NBS) 0.16Btu (I.T., pre-1956)
42cal(NBS) 0.17Btu (I.T., pre-1956)
43cal(NBS) 0.17Btu (I.T., pre-1956)
44cal(NBS) 0.17Btu (I.T., pre-1956)
45cal(NBS) 0.18Btu (I.T., pre-1956)
46cal(NBS) 0.18Btu (I.T., pre-1956)
47cal(NBS) 0.19Btu (I.T., pre-1956)
48cal(NBS) 0.19Btu (I.T., pre-1956)
49cal(NBS) 0.19Btu (I.T., pre-1956)
50cal(NBS) 0.20Btu (I.T., pre-1956)
51cal(NBS) 0.20Btu (I.T., pre-1956)
52cal(NBS) 0.21Btu (I.T., pre-1956)
53cal(NBS) 0.21Btu (I.T., pre-1956)
54cal(NBS) 0.21Btu (I.T., pre-1956)
55cal(NBS) 0.22Btu (I.T., pre-1956)
56cal(NBS) 0.22Btu (I.T., pre-1956)
57cal(NBS) 0.23Btu (I.T., pre-1956)
58cal(NBS) 0.23Btu (I.T., pre-1956)
59cal(NBS) 0.23Btu (I.T., pre-1956)