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

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

cal20 =
Btu (I.T., pre-1956) * 252.29
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Show result in exponential format
More information: Btu (I.T., pre-1956)
More information: Calories (20°C)


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

cal20 =
Btu (I.T., pre-1956) * 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., pre-1956) to Calories (20°C) table

Print table
< Smaller Values Larger Values >
Btu (I.T., pre-1956) Calories (20°C)
0Btu (I.T., pre-1956) 0.00cal20
1Btu (I.T., pre-1956) 252.29cal20
2Btu (I.T., pre-1956) 504.57cal20
3Btu (I.T., pre-1956) 756.86cal20
4Btu (I.T., pre-1956) 1009.15cal20
5Btu (I.T., pre-1956) 1261.44cal20
6Btu (I.T., pre-1956) 1513.72cal20
7Btu (I.T., pre-1956) 1766.01cal20
8Btu (I.T., pre-1956) 2018.30cal20
9Btu (I.T., pre-1956) 2270.59cal20
10Btu (I.T., pre-1956) 2522.87cal20
11Btu (I.T., pre-1956) 2775.16cal20
12Btu (I.T., pre-1956) 3027.45cal20
13Btu (I.T., pre-1956) 3279.73cal20
14Btu (I.T., pre-1956) 3532.02cal20
15Btu (I.T., pre-1956) 3784.31cal20
16Btu (I.T., pre-1956) 4036.60cal20
17Btu (I.T., pre-1956) 4288.88cal20
18Btu (I.T., pre-1956) 4541.17cal20
19Btu (I.T., pre-1956) 4793.46cal20
Btu (I.T., pre-1956) Calories (20°C)
20Btu (I.T., pre-1956) 5045.74cal20
21Btu (I.T., pre-1956) 5298.03cal20
22Btu (I.T., pre-1956) 5550.32cal20
23Btu (I.T., pre-1956) 5802.61cal20
24Btu (I.T., pre-1956) 6054.89cal20
25Btu (I.T., pre-1956) 6307.18cal20
26Btu (I.T., pre-1956) 6559.47cal20
27Btu (I.T., pre-1956) 6811.76cal20
28Btu (I.T., pre-1956) 7064.04cal20
29Btu (I.T., pre-1956) 7316.33cal20
30Btu (I.T., pre-1956) 7568.62cal20
31Btu (I.T., pre-1956) 7820.90cal20
32Btu (I.T., pre-1956) 8073.19cal20
33Btu (I.T., pre-1956) 8325.48cal20
34Btu (I.T., pre-1956) 8577.77cal20
35Btu (I.T., pre-1956) 8830.05cal20
36Btu (I.T., pre-1956) 9082.34cal20
37Btu (I.T., pre-1956) 9334.63cal20
38Btu (I.T., pre-1956) 9586.92cal20
39Btu (I.T., pre-1956) 9839.20cal20
Btu (I.T., pre-1956) Calories (20°C)
40Btu (I.T., pre-1956) 10091.49cal20
41Btu (I.T., pre-1956) 10343.78cal20
42Btu (I.T., pre-1956) 10596.06cal20
43Btu (I.T., pre-1956) 10848.35cal20
44Btu (I.T., pre-1956) 11100.64cal20
45Btu (I.T., pre-1956) 11352.93cal20
46Btu (I.T., pre-1956) 11605.21cal20
47Btu (I.T., pre-1956) 11857.50cal20
48Btu (I.T., pre-1956) 12109.79cal20
49Btu (I.T., pre-1956) 12362.07cal20
50Btu (I.T., pre-1956) 12614.36cal20
51Btu (I.T., pre-1956) 12866.65cal20
52Btu (I.T., pre-1956) 13118.94cal20
53Btu (I.T., pre-1956) 13371.22cal20
54Btu (I.T., pre-1956) 13623.51cal20
55Btu (I.T., pre-1956) 13875.80cal20
56Btu (I.T., pre-1956) 14128.09cal20
57Btu (I.T., pre-1956) 14380.37cal20
58Btu (I.T., pre-1956) 14632.66cal20
59Btu (I.T., pre-1956) 14884.95cal20