Calories (15 °C, NBS 1939) to Btu (3.9°C)

Btu (3.9°C) to Calories (15 °C, NBS 1939) (Swap Units)

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Calories (15 °C, NBS 1939) to Btu (3.9°C) formula

Btu (3.9°C) =
cal(NBS) * 0.0039501

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More information: Calories (15 °C, NBS 1939)

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 (3.9°C) formula

Btu (3.9°C) =
cal(NBS) * 0.0039501

Btu (3.9°C)

One BTU is the energy required to warm 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at one atmosphere. The Btu (3.9°C) uses the calorie value of water at the temperature of its maximum density

Calories (15 °C, NBS 1939) to Btu (3.9°C) table

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Calories (15 °C, NBS 1939) Btu (3.9°C)
0cal(NBS) 0.00Btu (3.9°C)
1cal(NBS) 0.00Btu (3.9°C)
2cal(NBS) 0.01Btu (3.9°C)
3cal(NBS) 0.01Btu (3.9°C)
4cal(NBS) 0.02Btu (3.9°C)
5cal(NBS) 0.02Btu (3.9°C)
6cal(NBS) 0.02Btu (3.9°C)
7cal(NBS) 0.03Btu (3.9°C)
8cal(NBS) 0.03Btu (3.9°C)
9cal(NBS) 0.04Btu (3.9°C)
10cal(NBS) 0.04Btu (3.9°C)
11cal(NBS) 0.04Btu (3.9°C)
12cal(NBS) 0.05Btu (3.9°C)
13cal(NBS) 0.05Btu (3.9°C)
14cal(NBS) 0.06Btu (3.9°C)
15cal(NBS) 0.06Btu (3.9°C)
16cal(NBS) 0.06Btu (3.9°C)
17cal(NBS) 0.07Btu (3.9°C)
18cal(NBS) 0.07Btu (3.9°C)
19cal(NBS) 0.08Btu (3.9°C)
Calories (15 °C, NBS 1939) Btu (3.9°C)
20cal(NBS) 0.08Btu (3.9°C)
21cal(NBS) 0.08Btu (3.9°C)
22cal(NBS) 0.09Btu (3.9°C)
23cal(NBS) 0.09Btu (3.9°C)
24cal(NBS) 0.09Btu (3.9°C)
25cal(NBS) 0.10Btu (3.9°C)
26cal(NBS) 0.10Btu (3.9°C)
27cal(NBS) 0.11Btu (3.9°C)
28cal(NBS) 0.11Btu (3.9°C)
29cal(NBS) 0.11Btu (3.9°C)
30cal(NBS) 0.12Btu (3.9°C)
31cal(NBS) 0.12Btu (3.9°C)
32cal(NBS) 0.13Btu (3.9°C)
33cal(NBS) 0.13Btu (3.9°C)
34cal(NBS) 0.13Btu (3.9°C)
35cal(NBS) 0.14Btu (3.9°C)
36cal(NBS) 0.14Btu (3.9°C)
37cal(NBS) 0.15Btu (3.9°C)
38cal(NBS) 0.15Btu (3.9°C)
39cal(NBS) 0.15Btu (3.9°C)
Calories (15 °C, NBS 1939) Btu (3.9°C)
40cal(NBS) 0.16Btu (3.9°C)
41cal(NBS) 0.16Btu (3.9°C)
42cal(NBS) 0.17Btu (3.9°C)
43cal(NBS) 0.17Btu (3.9°C)
44cal(NBS) 0.17Btu (3.9°C)
45cal(NBS) 0.18Btu (3.9°C)
46cal(NBS) 0.18Btu (3.9°C)
47cal(NBS) 0.19Btu (3.9°C)
48cal(NBS) 0.19Btu (3.9°C)
49cal(NBS) 0.19Btu (3.9°C)
50cal(NBS) 0.20Btu (3.9°C)
51cal(NBS) 0.20Btu (3.9°C)
52cal(NBS) 0.21Btu (3.9°C)
53cal(NBS) 0.21Btu (3.9°C)
54cal(NBS) 0.21Btu (3.9°C)
55cal(NBS) 0.22Btu (3.9°C)
56cal(NBS) 0.22Btu (3.9°C)
57cal(NBS) 0.23Btu (3.9°C)
58cal(NBS) 0.23Btu (3.9°C)
59cal(NBS) 0.23Btu (3.9°C)