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

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

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

Btu (15.0 °C) =
cal(NBS) * 0.0039683

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## 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 (15°C) formula

Btu (15.0 °C) =
cal(NBS) * 0.0039683

## Btu (15°C)

One Btu (15.0°C) is the energy required to heat 1 avoirdupois pound of liquid water from 14.5 °C to 15.5°C at a pressure of one atmosphere and equates to 1054.804 J

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

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< Smaller Values Larger Values >
Calories (15 °C, NBS 1939) Btu (15°C)
0cal(NBS) 0.00Btu (15.0 °C)
1cal(NBS) 0.00Btu (15.0 °C)
2cal(NBS) 0.01Btu (15.0 °C)
3cal(NBS) 0.01Btu (15.0 °C)
4cal(NBS) 0.02Btu (15.0 °C)
5cal(NBS) 0.02Btu (15.0 °C)
6cal(NBS) 0.02Btu (15.0 °C)
7cal(NBS) 0.03Btu (15.0 °C)
8cal(NBS) 0.03Btu (15.0 °C)
9cal(NBS) 0.04Btu (15.0 °C)
10cal(NBS) 0.04Btu (15.0 °C)
11cal(NBS) 0.04Btu (15.0 °C)
12cal(NBS) 0.05Btu (15.0 °C)
13cal(NBS) 0.05Btu (15.0 °C)
14cal(NBS) 0.06Btu (15.0 °C)
15cal(NBS) 0.06Btu (15.0 °C)
16cal(NBS) 0.06Btu (15.0 °C)
17cal(NBS) 0.07Btu (15.0 °C)
18cal(NBS) 0.07Btu (15.0 °C)
19cal(NBS) 0.08Btu (15.0 °C)
Calories (15 °C, NBS 1939) Btu (15°C)
20cal(NBS) 0.08Btu (15.0 °C)
21cal(NBS) 0.08Btu (15.0 °C)
22cal(NBS) 0.09Btu (15.0 °C)
23cal(NBS) 0.09Btu (15.0 °C)
24cal(NBS) 0.10Btu (15.0 °C)
25cal(NBS) 0.10Btu (15.0 °C)
26cal(NBS) 0.10Btu (15.0 °C)
27cal(NBS) 0.11Btu (15.0 °C)
28cal(NBS) 0.11Btu (15.0 °C)
29cal(NBS) 0.12Btu (15.0 °C)
30cal(NBS) 0.12Btu (15.0 °C)
31cal(NBS) 0.12Btu (15.0 °C)
32cal(NBS) 0.13Btu (15.0 °C)
33cal(NBS) 0.13Btu (15.0 °C)
34cal(NBS) 0.13Btu (15.0 °C)
35cal(NBS) 0.14Btu (15.0 °C)
36cal(NBS) 0.14Btu (15.0 °C)
37cal(NBS) 0.15Btu (15.0 °C)
38cal(NBS) 0.15Btu (15.0 °C)
39cal(NBS) 0.15Btu (15.0 °C)
Calories (15 °C, NBS 1939) Btu (15°C)
40cal(NBS) 0.16Btu (15.0 °C)
41cal(NBS) 0.16Btu (15.0 °C)
42cal(NBS) 0.17Btu (15.0 °C)
43cal(NBS) 0.17Btu (15.0 °C)
44cal(NBS) 0.17Btu (15.0 °C)
45cal(NBS) 0.18Btu (15.0 °C)
46cal(NBS) 0.18Btu (15.0 °C)
47cal(NBS) 0.19Btu (15.0 °C)
48cal(NBS) 0.19Btu (15.0 °C)
49cal(NBS) 0.19Btu (15.0 °C)
50cal(NBS) 0.20Btu (15.0 °C)
51cal(NBS) 0.20Btu (15.0 °C)
52cal(NBS) 0.21Btu (15.0 °C)
53cal(NBS) 0.21Btu (15.0 °C)
54cal(NBS) 0.21Btu (15.0 °C)
55cal(NBS) 0.22Btu (15.0 °C)
56cal(NBS) 0.22Btu (15.0 °C)
57cal(NBS) 0.23Btu (15.0 °C)
58cal(NBS) 0.23Btu (15.0 °C)
59cal(NBS) 0.23Btu (15.0 °C)