Calories (20°C) to Btu (15.8°C, ISO) conversion

Btu (15.8°C, ISO) 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.

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Calories (20°C) to Btu (15.8°C, ISO) formula

Btu (15.8°C, ISO) =
cal20 * 0.0039658
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Show result in exponential format
More information: Calories (20°C)
More information: Btu (15.8°C, ISO)

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 (15.8°C, ISO) formula

Btu (15.8°C, ISO) =
cal20 * 0.0039658

Btu (15.8°C, ISO)

One BTU is defined as the energy required at 1 atmosphere to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit. One Btu (15.8°C, ISO) equates to 1,054.5 J


Calories (20°C) to Btu (15.8°C, ISO) table

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< Smaller Values Larger Values >
Calories (20°C) Btu (15.8°C, ISO)
0cal20 0.00Btu (15.8°C, ISO)
1cal20 0.00Btu (15.8°C, ISO)
2cal20 0.01Btu (15.8°C, ISO)
3cal20 0.01Btu (15.8°C, ISO)
4cal20 0.02Btu (15.8°C, ISO)
5cal20 0.02Btu (15.8°C, ISO)
6cal20 0.02Btu (15.8°C, ISO)
7cal20 0.03Btu (15.8°C, ISO)
8cal20 0.03Btu (15.8°C, ISO)
9cal20 0.04Btu (15.8°C, ISO)
10cal20 0.04Btu (15.8°C, ISO)
11cal20 0.04Btu (15.8°C, ISO)
12cal20 0.05Btu (15.8°C, ISO)
13cal20 0.05Btu (15.8°C, ISO)
14cal20 0.06Btu (15.8°C, ISO)
15cal20 0.06Btu (15.8°C, ISO)
16cal20 0.06Btu (15.8°C, ISO)
17cal20 0.07Btu (15.8°C, ISO)
18cal20 0.07Btu (15.8°C, ISO)
19cal20 0.08Btu (15.8°C, ISO)
Calories (20°C) Btu (15.8°C, ISO)
20cal20 0.08Btu (15.8°C, ISO)
21cal20 0.08Btu (15.8°C, ISO)
22cal20 0.09Btu (15.8°C, ISO)
23cal20 0.09Btu (15.8°C, ISO)
24cal20 0.10Btu (15.8°C, ISO)
25cal20 0.10Btu (15.8°C, ISO)
26cal20 0.10Btu (15.8°C, ISO)
27cal20 0.11Btu (15.8°C, ISO)
28cal20 0.11Btu (15.8°C, ISO)
29cal20 0.12Btu (15.8°C, ISO)
30cal20 0.12Btu (15.8°C, ISO)
31cal20 0.12Btu (15.8°C, ISO)
32cal20 0.13Btu (15.8°C, ISO)
33cal20 0.13Btu (15.8°C, ISO)
34cal20 0.13Btu (15.8°C, ISO)
35cal20 0.14Btu (15.8°C, ISO)
36cal20 0.14Btu (15.8°C, ISO)
37cal20 0.15Btu (15.8°C, ISO)
38cal20 0.15Btu (15.8°C, ISO)
39cal20 0.15Btu (15.8°C, ISO)
Calories (20°C) Btu (15.8°C, ISO)
40cal20 0.16Btu (15.8°C, ISO)
41cal20 0.16Btu (15.8°C, ISO)
42cal20 0.17Btu (15.8°C, ISO)
43cal20 0.17Btu (15.8°C, ISO)
44cal20 0.17Btu (15.8°C, ISO)
45cal20 0.18Btu (15.8°C, ISO)
46cal20 0.18Btu (15.8°C, ISO)
47cal20 0.19Btu (15.8°C, ISO)
48cal20 0.19Btu (15.8°C, ISO)
49cal20 0.19Btu (15.8°C, ISO)
50cal20 0.20Btu (15.8°C, ISO)
51cal20 0.20Btu (15.8°C, ISO)
52cal20 0.21Btu (15.8°C, ISO)
53cal20 0.21Btu (15.8°C, ISO)
54cal20 0.21Btu (15.8°C, ISO)
55cal20 0.22Btu (15.8°C, ISO)
56cal20 0.22Btu (15.8°C, ISO)
57cal20 0.23Btu (15.8°C, ISO)
58cal20 0.23Btu (15.8°C, ISO)
59cal20 0.23Btu (15.8°C, ISO)