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

Calories (20°C) to Btu (I.T.) (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

Btu (I.T.) to Calories (20°C) formula

cal20 =
Btu (I.T.) * 252.29
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More information: Btu (I.T.)
More information: Calories (20°C)

Btu (I.T.)

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


Btu (I.T.) to Calories (20°C) formula

cal20 =
Btu (I.T.) * 252.29

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.


Btu (I.T.) to Calories (20°C) table

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Btu (I.T.) Calories (20°C)
0Btu (I.T.) 0.00cal20
1Btu (I.T.) 252.29cal20
2Btu (I.T.) 504.58cal20
3Btu (I.T.) 756.87cal20
4Btu (I.T.) 1009.16cal20
5Btu (I.T.) 1261.46cal20
6Btu (I.T.) 1513.75cal20
7Btu (I.T.) 1766.04cal20
8Btu (I.T.) 2018.33cal20
9Btu (I.T.) 2270.62cal20
10Btu (I.T.) 2522.91cal20
11Btu (I.T.) 2775.20cal20
12Btu (I.T.) 3027.49cal20
13Btu (I.T.) 3279.78cal20
14Btu (I.T.) 3532.07cal20
15Btu (I.T.) 3784.37cal20
16Btu (I.T.) 4036.66cal20
17Btu (I.T.) 4288.95cal20
18Btu (I.T.) 4541.24cal20
19Btu (I.T.) 4793.53cal20
Btu (I.T.) Calories (20°C)
20Btu (I.T.) 5045.82cal20
21Btu (I.T.) 5298.11cal20
22Btu (I.T.) 5550.40cal20
23Btu (I.T.) 5802.69cal20
24Btu (I.T.) 6054.98cal20
25Btu (I.T.) 6307.28cal20
26Btu (I.T.) 6559.57cal20
27Btu (I.T.) 6811.86cal20
28Btu (I.T.) 7064.15cal20
29Btu (I.T.) 7316.44cal20
30Btu (I.T.) 7568.73cal20
31Btu (I.T.) 7821.02cal20
32Btu (I.T.) 8073.31cal20
33Btu (I.T.) 8325.60cal20
34Btu (I.T.) 8577.90cal20
35Btu (I.T.) 8830.19cal20
36Btu (I.T.) 9082.48cal20
37Btu (I.T.) 9334.77cal20
38Btu (I.T.) 9587.06cal20
39Btu (I.T.) 9839.35cal20
Btu (I.T.) Calories (20°C)
40Btu (I.T.) 10091.64cal20
41Btu (I.T.) 10343.93cal20
42Btu (I.T.) 10596.22cal20
43Btu (I.T.) 10848.51cal20
44Btu (I.T.) 11100.81cal20
45Btu (I.T.) 11353.10cal20
46Btu (I.T.) 11605.39cal20
47Btu (I.T.) 11857.68cal20
48Btu (I.T.) 12109.97cal20
49Btu (I.T.) 12362.26cal20
50Btu (I.T.) 12614.55cal20
51Btu (I.T.) 12866.84cal20
52Btu (I.T.) 13119.13cal20
53Btu (I.T.) 13371.42cal20
54Btu (I.T.) 13623.72cal20
55Btu (I.T.) 13876.01cal20
56Btu (I.T.) 14128.30cal20
57Btu (I.T.) 14380.59cal20
58Btu (I.T.) 14632.88cal20
59Btu (I.T.) 14885.17cal20