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

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1Btu (I.T., pre-1956) = 252.28724cal20

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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.

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

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

Calories (20°C) = Btu (I.T., pre-1956) * 252.28723786

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

Calories (20°C) = Btu (I.T., pre-1956) * 252.28723786

Calories (20°C) = 1 * 252.28723785839

Calories (20°C) = 252.28724

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

Btu (I.T., pre-1956)

The Btu (I.T., pre-1956) refers to the International Table Btu, a specific definition used before 1956. It represents the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at a constant pressure of one atmosphere.

Calories (20°C)

A Calorie (20°C) is sometimes referred to as a small calorie or gram calorie. It is a unit of energy defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius from 19.5°C to 20.5°C.

 

 

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

Starting value
Increment
Accuracy
Btu (I.T., pre-1956)
Calories (20°C)
0Btu (I.T., pre-1956)
0.00000cal20
1Btu (I.T., pre-1956)
252.28724cal20
2Btu (I.T., pre-1956)
504.57448cal20
3Btu (I.T., pre-1956)
756.86171cal20
4Btu (I.T., pre-1956)
1,009.14895cal20
5Btu (I.T., pre-1956)
1,261.43619cal20
6Btu (I.T., pre-1956)
1,513.72343cal20
7Btu (I.T., pre-1956)
1,766.01067cal20
8Btu (I.T., pre-1956)
2,018.29790cal20
9Btu (I.T., pre-1956)
2,270.58514cal20
10Btu (I.T., pre-1956)
2,522.87238cal20
11Btu (I.T., pre-1956)
2,775.15962cal20
12Btu (I.T., pre-1956)
3,027.44685cal20
13Btu (I.T., pre-1956)
3,279.73409cal20
14Btu (I.T., pre-1956)
3,532.02133cal20
15Btu (I.T., pre-1956)
3,784.30857cal20
16Btu (I.T., pre-1956)
4,036.59581cal20
17Btu (I.T., pre-1956)
4,288.88304cal20
18Btu (I.T., pre-1956)
4,541.17028cal20
19Btu (I.T., pre-1956)
4,793.45752cal20
Btu (I.T., pre-1956)
Calories (20°C)
20Btu (I.T., pre-1956)
5,045.74476cal20
21Btu (I.T., pre-1956)
5,298.03200cal20
22Btu (I.T., pre-1956)
5,550.31923cal20
23Btu (I.T., pre-1956)
5,802.60647cal20
24Btu (I.T., pre-1956)
6,054.89371cal20
25Btu (I.T., pre-1956)
6,307.18095cal20
26Btu (I.T., pre-1956)
6,559.46818cal20
27Btu (I.T., pre-1956)
6,811.75542cal20
28Btu (I.T., pre-1956)
7,064.04266cal20
29Btu (I.T., pre-1956)
7,316.32990cal20
30Btu (I.T., pre-1956)
7,568.61714cal20
31Btu (I.T., pre-1956)
7,820.90437cal20
32Btu (I.T., pre-1956)
8,073.19161cal20
33Btu (I.T., pre-1956)
8,325.47885cal20
34Btu (I.T., pre-1956)
8,577.76609cal20
35Btu (I.T., pre-1956)
8,830.05333cal20
36Btu (I.T., pre-1956)
9,082.34056cal20
37Btu (I.T., pre-1956)
9,334.62780cal20
38Btu (I.T., pre-1956)
9,586.91504cal20
39Btu (I.T., pre-1956)
9,839.20228cal20
Btu (I.T., pre-1956)
Calories (20°C)
40Btu (I.T., pre-1956)
10,091.48951cal20
41Btu (I.T., pre-1956)
10,343.77675cal20
42Btu (I.T., pre-1956)
10,596.06399cal20
43Btu (I.T., pre-1956)
10,848.35123cal20
44Btu (I.T., pre-1956)
11,100.63847cal20
45Btu (I.T., pre-1956)
11,352.92570cal20
46Btu (I.T., pre-1956)
11,605.21294cal20
47Btu (I.T., pre-1956)
11,857.50018cal20
48Btu (I.T., pre-1956)
12,109.78742cal20
49Btu (I.T., pre-1956)
12,362.07466cal20
50Btu (I.T., pre-1956)
12,614.36189cal20
51Btu (I.T., pre-1956)
12,866.64913cal20
52Btu (I.T., pre-1956)
13,118.93637cal20
53Btu (I.T., pre-1956)
13,371.22361cal20
54Btu (I.T., pre-1956)
13,623.51084cal20
55Btu (I.T., pre-1956)
13,875.79808cal20
56Btu (I.T., pre-1956)
14,128.08532cal20
57Btu (I.T., pre-1956)
14,380.37256cal20
58Btu (I.T., pre-1956)
14,632.65980cal20
59Btu (I.T., pre-1956)
14,884.94703cal20
Btu (I.T., pre-1956)
Calories (20°C)
60Btu (I.T., pre-1956)
15,137.23427cal20
61Btu (I.T., pre-1956)
15,389.52151cal20
62Btu (I.T., pre-1956)
15,641.80875cal20
63Btu (I.T., pre-1956)
15,894.09599cal20
64Btu (I.T., pre-1956)
16,146.38322cal20
65Btu (I.T., pre-1956)
16,398.67046cal20
66Btu (I.T., pre-1956)
16,650.95770cal20
67Btu (I.T., pre-1956)
16,903.24494cal20
68Btu (I.T., pre-1956)
17,155.53217cal20
69Btu (I.T., pre-1956)
17,407.81941cal20
70Btu (I.T., pre-1956)
17,660.10665cal20
71Btu (I.T., pre-1956)
17,912.39389cal20
72Btu (I.T., pre-1956)
18,164.68113cal20
73Btu (I.T., pre-1956)
18,416.96836cal20
74Btu (I.T., pre-1956)
18,669.25560cal20
75Btu (I.T., pre-1956)
18,921.54284cal20
76Btu (I.T., pre-1956)
19,173.83008cal20
77Btu (I.T., pre-1956)
19,426.11732cal20
78Btu (I.T., pre-1956)
19,678.40455cal20
79Btu (I.T., pre-1956)
19,930.69179cal20