Calories (20°C) to Btu (I.T.) conversion

Btu (I.T.) to Calories (20°C) (Swap Units)


Note: Fractional results are rounded to the nearest 1/64. For a more accurate answer please select 'decimal' from the options above the result.

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Note: For a pure decimal result please select 'decimal' from the options above the result.

Show formula

Calories (20°C) to Btu (I.T.) formula

Btu (I.T.) =
cal20 * 0.0039637
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More information: Calories (20°C)
More information: Btu (I.T.)

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.) formula

Btu (I.T.) =
cal20 * 0.0039637

Btu (I.T.)

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


Calories (20°C) to Btu (I.T.) table

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