# Calories (20°C) to Btu (I.T., pre-1956) conversion

Btu (I.T., pre-1956) to Calories (20°C) (Swap Units)

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## Calories (20°C) to Btu (I.T., pre-1956) formula

Btu (I.T., pre-1956) =
cal20 * 0.0039637

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## Calories (20°C)

One Calorie (20°C) is the amount of energy needed to raise the temperature of 1 gram of air-free water from 19.5 to 20.5 °C at atmospheric pressure.

## Calories (20°C) to Btu (I.T., pre-1956) formula

Btu (I.T., pre-1956) =
cal20 * 0.0039637

## Btu (I.T., pre-1956)

One Btu (I.T., pre-1956) equates to 1055.04 J

## Calories (20°C) to Btu (I.T., pre-1956) table

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Increments
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< Smaller Values Larger Values >
Calories (20°C) Btu (I.T., pre-1956)
0cal20 0.00Btu (I.T., pre-1956)
1cal20 0.00Btu (I.T., pre-1956)
2cal20 0.01Btu (I.T., pre-1956)
3cal20 0.01Btu (I.T., pre-1956)
4cal20 0.02Btu (I.T., pre-1956)
5cal20 0.02Btu (I.T., pre-1956)
6cal20 0.02Btu (I.T., pre-1956)
7cal20 0.03Btu (I.T., pre-1956)
8cal20 0.03Btu (I.T., pre-1956)
9cal20 0.04Btu (I.T., pre-1956)
10cal20 0.04Btu (I.T., pre-1956)
11cal20 0.04Btu (I.T., pre-1956)
12cal20 0.05Btu (I.T., pre-1956)
13cal20 0.05Btu (I.T., pre-1956)
14cal20 0.06Btu (I.T., pre-1956)
15cal20 0.06Btu (I.T., pre-1956)
16cal20 0.06Btu (I.T., pre-1956)
17cal20 0.07Btu (I.T., pre-1956)
18cal20 0.07Btu (I.T., pre-1956)
19cal20 0.08Btu (I.T., pre-1956)
Calories (20°C) Btu (I.T., pre-1956)
20cal20 0.08Btu (I.T., pre-1956)
21cal20 0.08Btu (I.T., pre-1956)
22cal20 0.09Btu (I.T., pre-1956)
23cal20 0.09Btu (I.T., pre-1956)
24cal20 0.10Btu (I.T., pre-1956)
25cal20 0.10Btu (I.T., pre-1956)
26cal20 0.10Btu (I.T., pre-1956)
27cal20 0.11Btu (I.T., pre-1956)
28cal20 0.11Btu (I.T., pre-1956)
29cal20 0.11Btu (I.T., pre-1956)
30cal20 0.12Btu (I.T., pre-1956)
31cal20 0.12Btu (I.T., pre-1956)
32cal20 0.13Btu (I.T., pre-1956)
33cal20 0.13Btu (I.T., pre-1956)
34cal20 0.13Btu (I.T., pre-1956)
35cal20 0.14Btu (I.T., pre-1956)
36cal20 0.14Btu (I.T., pre-1956)
37cal20 0.15Btu (I.T., pre-1956)
38cal20 0.15Btu (I.T., pre-1956)
39cal20 0.15Btu (I.T., pre-1956)
Calories (20°C) Btu (I.T., pre-1956)
40cal20 0.16Btu (I.T., pre-1956)
41cal20 0.16Btu (I.T., pre-1956)
42cal20 0.17Btu (I.T., pre-1956)
43cal20 0.17Btu (I.T., pre-1956)
44cal20 0.17Btu (I.T., pre-1956)
45cal20 0.18Btu (I.T., pre-1956)
46cal20 0.18Btu (I.T., pre-1956)
47cal20 0.19Btu (I.T., pre-1956)
48cal20 0.19Btu (I.T., pre-1956)
49cal20 0.19Btu (I.T., pre-1956)
50cal20 0.20Btu (I.T., pre-1956)
51cal20 0.20Btu (I.T., pre-1956)
52cal20 0.21Btu (I.T., pre-1956)
53cal20 0.21Btu (I.T., pre-1956)
54cal20 0.21Btu (I.T., pre-1956)
55cal20 0.22Btu (I.T., pre-1956)
56cal20 0.22Btu (I.T., pre-1956)
57cal20 0.23Btu (I.T., pre-1956)
58cal20 0.23Btu (I.T., pre-1956)
59cal20 0.23Btu (I.T., pre-1956)